SITE 1002 HOLE A CORE 1H CORED 0.0-9.5 mbsf ~ZT I cl 1121 ]ü … · 2007. 2. 8. · SITE 1002 HOLE...

SITE 1002 HOLE A CORE 1H CORED 0.0-9.5 mbsf~ZT I c l 1121 ]ü IB Graphic •B ® => °- o• i Lith αi < Structure § ö Descriptions

CΛ Q <Λ °

""'"-IWVΛVΛ• SILTY CLAY WITH NANNOFOSSILSV..-1 ------ £ AND FORAMINIFERS, DIATOM

- r"1 >•j Λ•ΛVI•; _ ., NANNOFOSSIL CLAYEY MIXEDV >j.-.-.-.-.V. 1 £ SEDIMENT and NANNOFOSSIL

1 _ % - •ΛV>Λ• = SILTY CLAY: r* •-j .V.V.V. J6: r^ >•j .v.v.v. — 5 Y General Description:

- \ j -V.v.v. — 3 2 This core consists of dark olive gray to\ J VΛ•>Λ• — 5 To olive gray (5Y 3/2 to 5Y 4/2) SILTY

2_ |T U•» V.-.VΛ• 5Y CLAY WITH NANNOFOSSILS ANDI r"1 i-j >Λ•ΛV! „ — *< 4 / 2 FORAMINIFERS, olive (5Y 4/3 to 5Y

: r >•j .V.V.V. ^ 5/3) DIATOM NANNOFOSSIL- ^ - •Λ•Λ•Λ CLAYEY MIXED SEDIMENT, and gray: > L α ;-;-;->;-;-; _ ^5 (5Y 5/2) and olive gray (5Y 4/2 to 5Y

3_ ^ ;-;-;-;-;-;-; _ 5/2) N A N N O F O S S I L SILTY CLAY. TheT T ^ ΛVΛ•: =^5 core is faintly laminated in the upper\ ^ v.v.v: two sections and down to Section 3, 49

Tv•vt~J-Xv. = ~ cm, where there is an abrupt color: %i '-»J v.v. 3 = change and the core becomes well

4_V .•|•J.-v.V- ^ 5Y laminated on a sub-mm scale. The: [VJ J L I-"-"-} g 4/3 interval from Section 4, 50 cm tov'v J-. -y-v o 5 Y Section 5, 100 cm was consumed for

~ v ' ! 1 ! " " " — ~° = 5/3 geochemical studies. Below thisi V ^ ± t j - X v •" = sampled interval, the core is slightly

5 Vyii— ^ — bioturbated with a laminated intervalo from the middle part of Section 6•2 through Section 7. The laminae in this

~ ^ interval are typically gray (N8) and°- clay-rich. Pteropods are common on

^ j ^ 1 ^ the split core surface.

: 57_

fS•Xv>> —\* 5Y: J ^ ->»»;_ 5 5/3

IT^VΛVΛ 6 L Jó 5 Y

jT^.yyy _ 4 / 2- T u J • J ; = T o

: Λ '-"-"-"- — 5Yθ — 7 ^ ; . - . - . - . - . - . - _ = 5/2

3 SITE 1002 HOLE C CORE 1H CORED 0.0-8.4 mbsf

°" m rπ—i M © i—iα> Graphic 2 α> Ë CL O•ë Lith & §* Structure « | ö Description5 </> b $ °~~ r•M-I- I - I - _ ö" SILTY CLAY WITH NANNOFOSSILS

- / LJ ~-tri: = AND FORAMINIFERS, DIATOM- r"1 <-* —_-"-" NANNOFOSSIL CLAYEY MIXEDzr ^szrjr. 1 SEDIMENT and CLAY

1 _ rT J ^ H r G ~~

: Jr L•1 [3£3£^ General Description:~ r

T Lj i n n r = This core consists of dark olive gray- ^ ti --_-_-: — (5Y 3/2) SILTY CLAY WITH- rT J - I - I - I - NANNOFOSSILS AND

2_ T LJ "^r- FORAMINIFERS, olive gray (5Y 4/2)

- rT £ ~ _ - I - o 5Y DIATOM NANNOFOSSIL CLAYEY

: r LΛ -~-~-3 3/2 MIXED SEDIMENT, and light greenish- r-r r i n n : = gray (5GY 7/1) to yellowish brown: J7 L| [}£}-"- (10Y 5/4) CLAY. Bioturbation is visible

3_ r7 L j ^ i n r i in the clay, but the laminated intervals: r ^ L j i £ ^ r i n c ^ are undisturbed. Laminations are: % J K H r ü § generally mm-scale in thickness and

- Jj uα [}£}£^ "ö faint in Sections 1 and 2. They become: rT LJ LT^^T: 3 • • ~~ very distinct in Section 3, Section 4,

4_jr^L

αiri£i£2 ó) zz and Section 5,0-43 cm. Pteropodsz•~T^riHri: ë are common on split core surfaces,: Jj L

α ^ £ i ^ o both as fragments and nearly whole~ «-_,_-*-" i r f ^ y — • 2 zz I specimens. One thin, fine-grained: "j.-1: nr v

v

v v ^ -– turbidite occurs in Section 4,5 _ A: H V? — o 5Y 134-135.5 cm.

Λ • - - . V V , = 4/2

6_ K H V? _ — 5 Y-Λ.--VV = 3/2

VΛ•ΛVΛΛ- 5 5Y

7_ Λ•IVΛ•ΛVΛ 7 / 1

: -:::::::::::::::::::: > p

q IOY--ΛV.-.V.V.V — ^ S 5/4

8_ •ΛVΛ•Λ•M•I•: 6

P 5Y

SITE 1002 HOLE C CORE 2H CORED 8.4-17.9 mbsf,_ I I C I I XI I ~Φα> Graphic •2 α> !5 α. OΦ Lith % i ? Structure "55 E ö Description2 U U I • $ < Q O

~^VΛV>> ^ ^ ^ ^ NANNOFOSSIL SILTY CLAY and

- •£* -I->ΛVΛ C L A Y

: L j . x . ivlvlvl" ^ > General Description:1 _ jj jjj."."."."."."." S This core consists primarily of olive

: ^ -V-V-V-; gray (5Y 4/2) NANNOFOSSIL SILTY; ^ ΛVΛV! Λ F CLAY. The bioturbation is very slight,

~ Lj.•*: Xvlivl" — ' * F and laminations are common: JjjJ) ".'.w: ^^^^^― „ throughout the core, ranging from faint

2_ A ; -•-XvIv! t o w e l 1 developed. In intervals with well: Λ>| •ΛVΛV! 2 developed larr; lations, the most: V : X V / Λ V pronounced laminae tend to be thin,

~ |^• .".v.v.v gray (5Y 5/1) silty layers. Pteropod: A : V / Λ V Λ = fragments and foraminifers are

3_ I- JL VΛVIV! s commonly visible on the split core: •j."1: "VΛVΛ" 5 surface. Three thin CLAY layers occur: JJ- • .v.v.v." in the top 11 cm of Section 1, each a

- ^ -•-V.v.v different color: light gray (10Y 6/2): A : VΛV/Λ 3 between 0-5 cm, light gray (5Y 7/1)

1 _ u j * '-'-'.v.v. between 5-8 cm, and light reddish: JJ• ΛV!V'V brown (5YR 6/4) between 8-11 cm.: Λ." V!VΛVI = == Two thin silty turbidites occur in

- "."JJ-" VΛVCV! — 8 Section 2, 4 and 8 cm.LX O

- .•1-.- .".V.V.V to —5 _ Λ;•-v.v.-.v i — - - c 5 Y

- > ; - : - : - : ^ ^ _ = _ 4 / 2

6 _ ^ • -"-"-"-"-V-• _ =

: Λ ! ivlv>l•! 5 =Z _ I-XJ-• V Λ V I V ! ~ z 5 5 ™

8j " i v.v.-.v. _

: Λ : VΛ•ΛΛ 6 =

9_ |JLX. [VΛVΛ• —

: ^t' -""v»Iv 7 =

"t-M-'-"-"-"PCl I = I I M 1 I

3

ππ r^π ui « i—i 1αj Graphic -2 α> D Q- O^ Lith g < Structure w E ö Description

co b $ °~^VΛVΛV~ = NANNOFOSSIL SILTY CLAY

v::::»:: 5 s~ ^ .V.V.VΛ I General Description:- " LVΛVΛ• ^ P 3 This core consists of olive gray (5Y

U K • > > Λ - Λ V J S 4/2) to gray (5Y 5/1) NANNOFOSSIL: Λ ΛVΛVX — SILTY CLAY. Bioturbation levels are:L^:.-.-.-.-.:: = very slight. Laminated intervals are

"1 "j."1: XVΛV!" — =r common throughout the core, with: J ^ .".".".".V." = laminae character ranging from faint to

2_ Λ '-"-j•"vlv! ^ w e " developed. Intervals with well: L^• V.V.VΛ 2 3 ^ developed laminations stand out: V• •/ΛVΛV P because they contain gray (5Y 5/1)

1 ^".'."."."."."." zr thin silty layers with sharp tops.: L"1" V/XVΛ Pteropod on the split core surface, as

3_ Λ ÷ .V.VΛV. ^ is pyrite in disseminated form.

4 _ L j * v.-.v."- ••j.J; .V.V.-.V. P =

:^•:v:-:-:-:•: 4 1 | 7 ;

- > ^ . - . : . : . : . Q. p =

6_LJi"-"-"-"-V-V_

I^ΛV>ΛV 5 =

- S ^ p i s

"-^ V.VΛV. P =

9_ Λ VΛVΛV _

: ^ > > Λ \ V Λ 7 =

VJ-'" lcα I I I M I I

SITE 1002 HOLE C CORE 4H CORED 27.4 - 36.9 mbsf

α> Graphic -2 α> ^ α. o5 Lith. Φ <? Structure w j= ö Description

~~ !^|VΛVΛV ¥ NANNOFOSSIL SILTY CLAYΛ Λ V > Λ V _ 5Y

- Λ •CVΛVΛ 5 ^ 2 General Description:Lj.•L .".v.v.v. 1 This core consists of olive gray (5Y

I_^-Λ-Λ-ΛY „ 5 Y 4/2-4/1) NANNOFOSSIL SILTY CLAY; LV-XVΛ-Λ E 6/2 in laminated intervals and light olive: Λ VΛVIV! gray (5Y 6/1 -6/2) in massive intervals.

~ V:-"-"-'-"-"-"-"-— ^ Well laminated intervals occur in: |;•\ VΛVΛV 5 Y Section 1, 38-65, 96-103, and

2_ Λ V"VΛV! 5/2 1 2 8 ~ 1 3 4 c m • a n d i n Section 6, 60-63; •jj* :ΛVΛV! 2

c m • F a i n t laminations occur in Section: L

x * r.v.v.v. ^ 2, 22-75 cm; Section 3, 70-120 cm;~ ^jjj •.v.v.v." 10Y and throughout Section 5. Slight: CJ|L v j "-"-"v! ? S 6/1 bioturbation occurs within massive

Ly:.""::. intervals. A well indurated dolomite: LA•V-XVΛV ^ 10Y l a y e r i s observed in Section 1, 86-92: I^ ."."."."."/." 5/1 cm. Bivalve fragments, fish debris

~ Λ IVΛV.V (bones), and foraminifers occur on the: Λ vlvlvv! 3 10Y split core surface. Disseminated pyrite

4_ '•j.-1-..".V-V-v. = 4/1 occurs in Sections 6 and 7.

;Λ ;-;-:-;-»;-; ^ ^Λ>IVI-X-I•; IOY

~:-^-:-:->:-:->:-" 2 j 5/1

- L -L .V.V/.V.

-iK:-:-»:-» ^ = IOY- Λ ; VΛVΛV 5 = 5/2

7_ Λ ΛVΛVΛ

: ^ VΛVΛV 5 =

:^Λ-Λ•Λ•Λ ^ 10Y8-^VΛVΛV 4/1

^ > > > Λ V Λ 6

^ΛVΛVΛ J;Λ»ΛVΛ• P 10Y

V.-.v-.v 6/19 _ ^ VΛVΛV _ ?

JΛΛVΛ-Λ• ? J 10Y

-K•••IΛ-ΛVΛ-•IÖTI I I I M I 4 / 1 I

I

j SITE 1002 HOLE C CORE 5H CORED 36.9 - 46.4 mbsf"Zl I c I To] ]D fα» Graphic -2 <u S α. o§ Lith. Φ <? Structure « E o Description

co Q co ^

~ ^ K V V Λ V V ~ NANNOFOSSIL SILTY CLAY andΛ -V-•-•-•-•-• 5 N A N N O F O S S I L SILTY CLAY WITH

- V : •-•-•-•-VΛ ,* D I A T O M S

Vj.-.-.-.-.-." 1 •° = 5Y1_ ^ .v.v.v.• S 4 ^ 2 General Description:

Λ -'-"-v.-.v This core consists of NANNOFOSSIL: Λ VΛ•I-IV! $ ^ SILTY CLAY and NANNOFOSSIL

- V ; Λ-X->Λ• "~ SILTY CLAY WITH DIATOMS. Colors

: / i IVΛVΛ• 5 0Y a r e o l i v e g r a y ^ 5 Y 4 / 2 1 0 1 0 Y 4 / 1 ^ i n

^ j A : -"-/ΛVΛ ? 4/1 laminated intervals and light olive gray> ^ - > I V M - Λ 2

5 (10Y 5/1 to 10Y 6/2) in massive

: V : /ΛVΛV 1 Q Y intervals. Infrequent slight bioturbation~ ^ LVΛV.V . 5 ^ is observed, and fragments of bivalve

IJ-^J: V / Λ V Λ shells are evident throughout the core.3_ i- jj v.-.-.-.v. 1 0Y Faint laminations are present in

IJJ•V-ΛVΛV > 4/1 Section 2,65-79 cm, and Section 6,: Jj£ ΛV.V.V _ 47-90 cm. Laminations are well

T i ± -Λ-ΛVΛ >5 S mY d e v e l o P e d between Section 6, 90 cm,V ^ Λ V Λ Λ 3 π ^ j and Section 7, 88 cm. The more

'Ll "j.* IVΛVΛ" distinct laminations of this interval are: / i .v.v.v.• 10Y characterized by a significant diatom: Λ: -"VΛVΛ S/1 component. Four centimeters of

~ •J v.v.v.". c ^ expanded material occur at the top of: V : Xvivlv " & Section 1 while Section 3 has

L Λ .V.V.-.V -2 expanded material at the baseI Λ > I V Λ V Λ 4 ^ ^ (150-157 cm). Expanded materials are: ^".".".".".".". °- boxed separately.

6_S::::::::::^_ J ^ i 0 Y>^V>ΛVΛ 4/1

i^i: -v.-.-.-.v 5 ^5Z_ Λ •ΛVΛV!

i|B•- ! *8 : Λ ;IV»»; ^ IOY

- ^ -_- V V 6 = To

•g;-;w = 5/1Q - _(_ ^ ^ v v

-Vi~vV = 10Y: V: -– y V = 4/1

1%-^"-"jcj h I I M I I

SITE 1002 HOLE C CORE 6H CORED 46.4 - 55.9 mbsf,_ I I c I I n I ]ü I2 Graphic g α> a. o§ Lith. & <? Structure V> | ö Description^ co Q co ^

~ ^ujKv-y-V-• X • NANNOFOSSIL SILTY CLAY

- »•^ v.v.v.". General Description:: V : v-v.-.v. This core consists of NANNOFOSSIL

1_ |j£ L•ΛV>Λ• 2 SILTY CLAY, greenish gray (10Y 5/1): L"1" -'-'-'.'."."." g to dark greenish gray (10Y 4/1). The: Λ J VΛVΛ"! sediment is massive and

- L j * [•XVΛV homogeneous in appearance, with^ .v.v.v." — some intervals showing subtle color

2_ L• •J; .v.v.v." banding of olive gray (5Y 4/2) to gray

: A L ->Λ-Λ•Λ 5 _ (10Y 5/1). Bioturbation is slight.: " i * [VIVΛV Scattered shell material occurs on split

~ Jjjjj •.V.VΛV ^ core surfaces. Numerous gaps and: L^JJ -"-"-"-'."."." cracks due to gas expansion are

3_ Λ ; -.V.V.V. ^ present in many parts of the core. An: " i * "-'-".".'.".". interstitial water (I) sample was taken: JJLJ: ΛV/ΛV from 5 cm of expanded material at the

- Λ •XVΛV! base of Section 5. Dolomite-rich layers; Λ^ -.V.V.V. = and concretions occur in Section 7,

4_ ^ ;-;-'-'-;-» 4 f5 60-62, and Section 8, 69-74 cm.

T ^ V Λ - Λ Λ Φ _ 10Y

V: v.v.-.v. _ § — 5/15_ M ;-;-;->:-:-:- 8 TO

ΛJ .-.V.V.V I s 10Y: ^.v.v.v.; ^ 5 4/1

j K -v-vv•; i

i n »*9 _ ^ IVΛ•ΛV -è5

: Λ J • : • Λ • Λ - I - I - - ^5

;÷:::::::v::: β

^÷:^_ D ^^: ^ v.v.v: — u i 4/2

-L-^J-v-v- -vpH I I ' I M | |

^ SITE 1002 HOLE C CORE 7H CORED 55.9-65.4 mbsf

π ππ M * i ^ i 1S Graphic ~ a> =s Q• o£ Lith δ < Structure « | o Description

CO Q CO °; ^ ΛV>ΛV ^ NANNOFOSSIL SILTY CLAY

~ Q VΛV.V. = General Description:: JJLJ: ΛV/ΛV This core consists of greenish gray

1 _ ^ .V.VΛV ~~ ! (10Y 5/1) to dark greenish gray (10Y• ^ V Λ Λ V Λ ! 4/1)NANNOFOSSIL SILTY CLAY.

: •£•*; ".v.v.v. ' 71 0 sediment is massive and- jj£. 1-'-'VΛV 2 homogeneous with faintly laminated: L• J: ."-V.V.V thin intervals. Bioturbation is slight.

2^ Λ ; V/ΛVΛ Dolomite-rich layers and concretionsI "u.-1: "-V.v.v. occur in Section 4, 55-57 cm, and in: j j£ [VΛVIV — Section 5, 84-88 and 105-111 cm.

~ £x -V.v.v." Numerous gaps and cracks due to gas: L A VΛV!V! i expansion are present. Expanded

Z— ‰jf-. v.v.v.". material from the bases of Sections 4,: JJLJ: ΛV/ΛV 3 5 and 6 is boxed separately.

4_ £ "v.-.v. — II^.VVΛV I & |

5_ i .v.v.-.v = &^-.v.v.v. I = 10Y

! K ™ - X v - 8 > 5/1- > i .-.v.v.v ^ To: Λ •ΛV.V.V Ö 10Y

Q_ J•j; -V.-.V-V Q. 4/1

: £ -»»»! 5 =- • • j * V.V.-.V. D

~|U Φ •>: Λ ΛVΛV> i5

; £ •-•»»>: 6

9 _ Λ : V » » > =

^/.v.v.v 7 =

- Λ •ΛV>IV! S

: '£ ΛVΛV> ~~ £

^^-Λ•ΛVΛ~

•^•>>>>>>> 8

:è;v: : : : : : :v: - i4-fe-:-»N I I i I M 1 I

3 Graphic •B °> 9- °-§ Lith. as < Structure «j j= o Description• 2 CO Q a) ü

I Λ + Λ • Λ • Λ V , , £ NANNOFOSSIL SILTY CLAY

j ÷-»:->:-:-:1 * D *- V : "-'-'.V-V. — General Description:: | J £ Xvlvlv This core consists of greenish gray

1_ ^ .-.v.v.v (10Y 5/1) to dark greenish gray (1OY- •-•-V-•-V- ^ 4 / 1 ) NANNOFOSSIL SILTY CLAY.: L j .J : .V.VΛV. 2 The sediment is massive,. V : [VXVΛ• homogeneous, and slightly: Λ .'."."."."."." bioturbated. Scattered shell material

2_ L~±. -/.-.--/.'. I occurs on split core surfaces. A hard: 1 i J : v.•.v.v. I dolomite- and calcite-rich layer occurs: VJ: / Λ V Λ V ^ in Section 1,27-30 cm.

^ V Λ V / Λ 33_ ^ "v.-.v.

j£ :x :x :: :::_ 5

j?i::::::: 4 j

c j •i 1 : ".v.v.v. CD

; K E V Λ V Λ • — § s 10Y

; A: -.-.V.VΛ 5 4/1

J^LVΛ-ΛV S

:£::::÷::->7 j9_ Λ .V.VΛV

£ V>ΛVΛ S

IÜ^ΛVΛΛ 8 $

rV~K-"-"-"-"-"-"-! 1 I 3 I I M I I

3 SITE 1002 HOLE C CORE 9H CORED 74.9 - 84.4 mbsf• πr r~ i ci Toi a> i ~

£ Graphic ~ α> => 9- .2•i Lith o < Structure .«? | o Description•2 CO Q c/3

: ^ Λ \ V Λ V ^ ^ NANNOFOSSIL SILTY CLAY

7 ^ ".".-.". 1 ^ General Description:: V : >>>>>>} ^ This core consists of greenish gray

1_ J J Λ•ΛVΛ• §: (10Y 5/1) to dark greenish gray (10Y- •IV>Λ-Λ — ^ 4/1 )NANNOFOSSIL SILTY CLAY.: ' i 1 : r.v.v.v. . ; Much of the core is disturbed, with. JJLJ: ΛV/ΛV vertical smearing and mixing of: ^.'."."."."."." lithologies indicating flow-in.

2_ Λ -ΛVΛV' 2 Undisturbed sediment is massive,: v ! "-V.v." i homogeneous, and slightly: |u£. J "-ΛVM" / ^ ! bioturbated. A hard, semi-lithified. ^ --.-."_"_".'-" ^ ^ ! dolomite layer is found in Section 2,: A : IVΛVΛ 125-131 cm. Scattered shell material

3_ LtJ:'.".'.'.'.'.'. occurs on split core surfaces.: |JL . _-.--.'//- Numerous gaps and cracks are: fx """.' „ present due to gas expansion in many. L*J: -"-'-"."/."." parts of the core.

! Λ i÷:-:-:-:-: i: ^ .v.v.v.• i

T ^ - > Λ V > Λ 10Y

:/i-------------- 2 5/1

V i ΛVΛV § } 10Y

_ J. _Φ j- ^ ΛVΛV/ Ü- i: ^ ΛVΛV.• — i

<L_ Λ : ----------- j: Λ : V>ΛVΛ ^ j

- Λ; i_ ^> V>ΛVΛ 5 i

J I B - !l • " * ! '

^-Λ::::::::: JLJ.•*•. >>>>>>} !

: >•"1"-* V > > > > Λ !

l ^ ^ R I 11 I M I I

S Graphic ~ <o ^ p• .2• i Lith ë <" Structure .« | o Description* CΛ Q to U

: |;•(•-•-•-"-•-V-• ~ <# $ £ NANNOFOSSIL SILTY CLAY: Λ ;-;-»:-»; 1 # j SGYV •V.VΛV. £ 5/1 General Description:

" "j-"1 MVAVV I This core consists of greenish gray1 _ ^ •-V.VΛV ^ (10Y 5/1, 5GY 5/1) to dark greenish

: i£α Λ-ΛVΛ• ^ gray (5Y 5/2 to 4/2), massive,: V •-•-•-•-V-~- 5 homogeneous, and slightly bioturbated

" Λ Λ•IVΛV 2 ^ NANNOFOSSIL SILTY CLAY.I Λ •-V.-.v.v ^ Scattered shell materials are visible on

2_ Λ ΛVΛVΛ split core surfaces. Numerous gaps: y : . " " " > £ and cracks averaging 1 to 4 mm are: |JLJ VΛVΛV $ present due to gas expansion in many. k-*j •.v.v.v." ^ parts of the core. Expanded material: A :IVΛVΛ ^ -fe 1,Py from Sections 4 and 5 is boxed

3 _ ~j•:::::::. 3 ^ 5 / 1 separately.

£L_L•V.V.•Λ-Λ- g J- J- U s <

: t•j• v/.-.-.v. « _ > £_ I . J . -– > j

: Kj1 -V.V.V.". ^ Λ7_ Λ.V.V.-.Y. ~ $ -®

-£-:-:->>:-:-:- | SY: Λ •.-.V.V.V 6 > 5/2

^ - Λ :»:-;-»; j SY->:-:-:-:->:-:-:_ ^ 4/2

mm7 i; K I•ΛV>X• 8 J

t•>•jvX-^-lcq | 1 I - I

- J

31

* π nr~i ki ® i ^ iS Graphic — α> a α. o•i Lith. cu < Structure .1 j= o Description• 2 en Q co

'- ΛKVIVIVI" _!_ $ 5 NANNOFOSSIL SILTY CLAY,I Λ ---"-.-.-.- 5 NANNOFOSSIL SILTY CLAY WITH

- A Y.Y.YΛ ^ DIATOMS and CLAY WITH:V;;;»:: $ ^ NANNOFOSSILS AND SILT

1— Λ ; -X•ΛVΛ 2 $

: Λ : YΛY.Y~ > S General Description:: V •-V.v.v. s This core consists of dark olive green

- ^ - Λ V Λ V . > ^5 (10Y4/1)NANNOFOSSIL SILTY CLAYL

v v j - i - l — — and NANNOFOSSIL SILTY CLAY2- » j VJ £-£ E W I T H DIATOMS, with an interbedded

:.'.". ^ w — i5 sequence of light bluish gray (5B 7/1): -'-"- V i V = 10Y and pale brown (10YR 6/3) CLAY--.vv^^α = 4 / 1 WITH NANNOSSILS AND SILT. The= "v: ?V K 1 = NANNOFOSSIL SILTY CLAY WITH

3_ .V. TV ^ = DIATOMS (Sections 3 and 4) is: -'-'_- ^ Λ ^ ^ r generally faintly to strongly laminated,-".'v^ jf•i = = with diatoms found in the lighter

- v. juj V à ^ S „ laminae. The CLAY WITH: .v. Jv !-*£* NANNOFOSSILS AND SILT is largely

4— V- V Λ • V ^ ^ zr S massive with slight to moderate: •„"/.'.. J•1-.J-.• bioturbation and some faint color: LJJL V'-ΛVΛ S laminations. Scattered shell material- Lx i: ".".".v.v.1 c occurs on split core surfaces.'-?& ΛVΛVI• — o Numerous gaps and cracks, averaging

5_ :| L j v.v.v.v -§ 1 to 4 mm, are present due to gas::: "--.Y.•.Y.• 1 5B expansion in many parts of the core.-• •j. Q. 1/1

j j j i- '->»»; 5;>: ::::Y::• J

Q_::^Y.Y.Y.Y 10YR-]LΛ ;-»»»;_ ' 6/3-" •1 .Y.Y.Y.".

^i÷Yi>Y>:-:- 6 5B: : JY.Y.YΛ 7/1

^ i ^ 5 —- J. . .v.Y.Y." ^ ^

- ^ Y Λ • Λ - Λ 7 10Y

Λ;Y.YΛY. J 5/1

9_ £ .Y.Y.Y.; I- L. jl Y.Y.Y.".

j >;:-:-:-:->:-:-: 8 $Λ-;-;-»»; SY

-S^YΛ-Λ•Λ— > 4/1

lfl&t-•-•-•-•-.-.-•M r I I M I I

SITE 1002 HOLE C CORE 12H CORED 103.4-112.9 mbsf>- E I r j | ~ö I£ Graphic £ α> !5 o. h-i Lith 8 <? Structure § o Description2 " CO O $ <~>

: " ΛVIVΛ; NANNOFOSSIL SILTY CLAY

- V;"-'-'-".".".". ^ ' General Description:i Jjj" •"" -"-"-'-"-"• s This core consists of olive green (10Y

1- Λ ;-;-;-"->;-;-; 6/1 to 1 OY 5/1) NANNOFOSSIL SILTY: ^JL VIVΛV! i CLAY. The sediment ranges from: V [-}]•"-'-"- massive, homogeneous and slightly. JJL]: LVIVIVI" bioturbated to finely laminated.- Λ '-V.VΛY ^ Scattered shell material occurs on split

2_ LJJL V M IVΛ 2 = core surfaces. Numerous gaps and1 "4? '-".".".".".". ^5 S cracks due to gas expansion,: ^ IVΛVΛ• = : averaging 1 to 4 mm, are present in. c*j -"-"."."."."." the core.

-IB" i: Λ ,-.V.-.VΛ 5

........ J

_ L i Φ_J-.' C

L J - ~ • • - m —

-j Λ VΛ-Λ•Λ 8 10Y£»»»:_ | j 6/1

: vi"-".-.-.-." © j To§-V--"-"-"-"-"-"- °- 5 10Y

: y:.-.-.-.-.-.-. $ 5/1

-|• ! *

- Λ LVΛV.V _ _ 5

9 _ Λ ΛVΛΛ•

Λ-Λ->X•>: $

ΛVX->>>: 7 5ttt ••J .V.VΛ-Λ J

iiB !g I j^[»»:-:-:-H I? I I M I I

^ SITE 1002 HOLE C CORE 13H CORED 112.9 -122.4 mbsf00 i ,_i i~ci i r ^ i ~® i ~ iB Graphic •B & 3 9- .2•§ Lith ID < Structure £ | o Description

: ΛΛÜ; »»; 5 ^ NANNOFOSSIL SILTY CLAY

~ V J . V V ; . V 1 ^ General Description:: L V * -'-'-'-'-" ^ This core consists of olive green (5Y

1— Λ A L » » ; _ J 5/1 to 5Y 5/2) NANNOFOSSIL SILTY- " i^ j* ".".VΛ ^ CLAY. The sediment ranges from: ^ / i - ΛV.V ? massive, homogeneous and slightly- L V I 1 •"-"VΛ ^ bioturbated to finely laminated.: LVJL -XVΛ 2 > Scattered shell material occurs on split

2— /•j."1:"-"-'-'-'- j core surfaces. Numerous gaps and- jj-yj/Xv/ I cracks due to gas expansion,- Λ -"-".'."."."." > averaging 1 to 4 mm, are present in- Λ :Λ-"-"VΛ — many parts of the core. Sediment from-^.VΛV.V. r r the base of Section 7 through the CC

3 — ^ .".".VΛV consists of flow-in and is heavilyj^•x -"-'"--'-' disturbed.

= Λ - > > > > > X 3 —

Λ V>ΛV>: g = 5Y-Vi•VΛV.Λ_ g 5/1: v "•---•• & l To- K* V.V.•.V. <a s C;Y

Si •Xv>>>>5 j

H|•_ [^§B6 i

H|•~ I §

,K^7 | _- JJTI; •.V.-.-.V.• > z z

SITE 1002 HOLE C CORE 14H CORED 122.4-131.9 mbsf

~π ~Tsl i .QI Ü IS Graphic 

^ K V V > Λ V 3 NANNOFOSSIL SILTY CLAY: ^ .-ΛV.-.-.• 1 =

~1-^-..".".".".".".". General Description:: " •"-"-"-"-"-"-"- This core consists of olive green (10Y

1— A. -Λ-»"-Λ = 6 / 1 t 0 1 0 Y 5 / 1 ) NANNOFOSSIL SILTYI I ^ - I V Λ V Λ CLAY. The sediment ranges from: Ji>

J•.".".".".".".". 2 massive, homogeneous and slightly. ^ •X•ΛVIV ? bioturbated to finely laminated.: t•\ '.V-V.v.• 5 __ Scattered shell material occurs on split

2_ Λ ; ;ΛV!VΛ core surfaces. Numerous gaps and: ^ r.v.v.v. __ cracks, averaging 1 to 4 mm, are: |J£ ΛVΛV} ^ present due to gas expansion in most. Λ -•-•.V.V." ^ = sections of the core. Sediments belowI Λ : 'VΛVI•Λ Q = the base of Section 6 are from flow-in

3_ ••i1;"-'-"-'."." N = and are heavily disturbed. Expanded: ^ ivlvlvl" > = materials from Sections 4, 5, and 6 are: '.'."."."."."." ^ = boxed separately.

^iü ! 1^ • ^ :

g| 15 - ^ : > Λ Λ - Λ _ § 10Y

- V; v/.v." S 6/1

: Λ ,-.-.-.V.V. .2 5 T o

"K•I•ΛVΛV i ) 10Y

6;÷:•:•»:•:v:5 ? 5/1

Q_LI -.-.VΛV.

^ ^ : > X V Λ V _ J -

^|E^ ^ -~ ^ I-:-:-:-:-:-:- ? Z

; Λ VΛV.V. ^

"IB7 iΛ -»»»; - ^

l α ^ VΛV>Λ 8 |

j t4^ : : : : : ^pq I 111 M I I

£ Graphic ~ α> 3 Q• o5 Lith. Φ < Structure .« | ° Description

CO Q CO

: ^I>ΛVV•Λ• > NANNOFOSSIL SILTY CLAY

:£»:-:-:-:-:-: 1V: -•-V.v.v. p General Description:

: "j."1: -'-".".".".".". This core consists of olive green (10Y1— Λ "-"-"-"-"-".-.- 5/1 to 10Y 4/1) NANNOFOSSIL SILTY

ILV-ΛVΛV~ . CLAY. The sediment ranges from: V;-"-"-"-"-"-"-"- 2 = massive, homogeneous, and slightly. JJJJ•/ΛVI-Λ- > bioturbated to finely laminated.: |j*i •.v.v.v." Scattered shell material occurs on split

2_ Λ : ΛVΛVΛ ^ core surfaces. Numerous gaps and: ••j* .V.V.VΛ — cracks due to gas expansion,: JjJ rlvlvlv averaging 1 to 4 mm, are present in. fx -'-"-"--'-- p. the core. Flow-in occurs and the: i^±. VΛV/Λ = sediments are heavily disturbed at the

3_ < jf ".".".'. 3 base of Section 7, in Section 8, and in: |JLVVXYΛ- the CC. Expanded material from: fx -'-'-'-'-"-'-' Section 5 is boxed separately.

4-: V•ΛVΛ-Λ- =

j V;!-»I•Λ•Λ 4 =

^ ¥ : : x : : : ^ : : Φ =L jl C

" J . <D

: Λ V>Λ•I-Λ | _ 1OY

; ^ Λ V Λ V / ^ = 10Y

j Λ ;-»»;->; — 4/1

£>: : :÷ : : :> - J

: Λ E V Λ 6

8-^•ΛΛVΛ• =

'•jf .".V.V.V. I

^£M:÷ 7

^– - - - — ^

•^;::ö::>::8 I

ufelMfl l H M I I

~π I ci ~T•ül ^ I ~3 Graphic •S & =1 9- .2• l Lith o < Structure « § o Description

' CO O $ <->

I t-^• i-l-:-"-"-"-"' ^ NANNOFOSSILSILTYCLAY

ViV-"-"-"-— General Description:: iu.•i•j.•1•."-"-"-'-'. = T h j s core consists of olive green (10Y

1_ t•vi-"-"-"-"-" = 5/1 to 10Y 4/1) NANNOFOSSIL SILTY: ΛΛ." V//Λ CLAY. The sediment ranges from: "j j j j • •.v.v. 2 massive, homogeneous and slightly

T Vj^J-"-"-j"• bioturbated to finely laminated.: ,_-*£ ."."/."."."." Numerous gaps and cracks due to gas

Z— Λ vlvliv! expansion, averaging 1-4 mm, are: •i1;"."."."."." E= present in the core. Flow-in occurs at: JJLJ; •VΛVM" > = t n e base of the core and the sediment

~ 1 ^ ."."."."."."." is disturbed in Section 7, Section 8,: Λ : -"-"-"-"-".V 3 and the CC.

3_ 'i•1: v.-.v-v.

4 - ^ ΛV>ΛV

- ^ '-""-" 4 —•

^-^•-•-•-•-•-•-•-- 8 = I O Y

"4;;;;;:: s = 4/1AX->>ΛV S = To-.---.VΛV | = 10Y

: Λ Λ-.-.-.-Λ• 5 E _ 5 / 1

6- ^ VΛ-Λ•Λ =

; £ >>>>ΛV 6

8- ^ >ΛVΛV _ =

: |>i iv/Xv! 7 i

lfl^ivXiiv! 8

K K ^ > H I 111 M I I

x

Sá SITE 1002 HOLE C CORE 17H CORED 150.9-160.4 mbsf

π ππ ki * i ^ i 1S Graphic — 9- .2•l Lith © <? Structure I | o Description

' co Q co °: " ΛVΛ-Λ- NANNOFOSSIL SILTY CLAY

. ^ ".".".: General Description:: LJ.'L '-'---'-'-'- 1 — This core contains olive green to olive

1_ ^ .-.-.-.-.-.-.- = gray (10Y 5/1 to 10Y 4/1)= Λ •Λ-ΛVΛ -^ = NANNOFOSSIL SILTY CLAY. The: "i*'.".'.".".".". — sediments range from massive and-JJLJ!VΛVΛ- & slightly bioturbated to faintly laminated,". fx -'"--'-- = = with laminae ranging from mm-scale to

2_ Λ ; V Λ V / Λ ~1 cm in thickness. Numerous gaps: V : "-•-'-".v.•. 2 = and cracks due to gas expansion are: JJ£ Xvlvli" — present in the core. Broken shell. L•*i; .".".v.v." material is visible on the split core- LJA ΛVΛ-Λ surface at several levels. Expanded

3_ ^ V.V.VΛ materials from Sections 1, 2, and 3 are: |JLJJ Λ V / Λ V boxed separately, while expanded: fx -'---'-"- = material from Section 4 was used for

~ Λ : vivlv!"!1 = an interstitial water (I) sample.: L

J.•1; r.v.v.v. 3 _ : Sediment below Section 5, 80 cm, is

4_ "u."1: /ΛVΛV dominated by flow-in and is moderately: [j»i .v.v.v.• ^ S to heavily disturbed.

- ÷ ; ; ; ; ; ; ; — g IOY: f. -------- g = 5/1

^ K [•ΛVΛV ^ ^ = To- ÷•x'-"-"-' ® 10Y: Λ -V-V-V-• 4 Q. ^ 4/1

$-÷ Λ | VΛ•Λ-Λ — = I

: Λ-V.VΛV 5 !

7_ Λ .-.-.-.-.-.-.-.

: " ^ Λ-X->I-I• 6

9_ K ΛVΛVV _ !

P • k-.-•-•-•-•-•-l 1 I r l Ml I

SITE 1002 HOLE C CORE 18H CORED 160.4-169.9 mbsf~π T i n i -Q| IÜ~~3 Graphic ~ <u 3 Q- o| Lith. Φ < Structure .« § g Description

~ ^ I • Λ - Λ • Λ V ~ ~ NANNOFOSSIL SILTY CLAY

. "•j."1 ".".".'. $ General Description:I " •ΛVΛ*IV 1 ^ This core contains olive gray (10Y 4/1)

1_ fj• ::".".:• > NANNOFOSSIL SILTY CLAY to light: Λ •ΛVΛ-Λ olive gray (10Y 6/1) NANNOFOSSIL: «i*.".".".".".".". SILTY CLAY. The sediments range_ |JL£ •ΛVΛVI" E I ^ r o m massive and slightly bioturbated,: Λ •.VΛV.V to faintly laminated. Numerous gaps

2_ A ; VIVΛV! a n d cracks due to gas expansion are: L j * ."."."."."." 2 present in the core. Broken shell: "J."1 CVΛVΛ• material is visible on the split core. t•*j; •.V.VΛV JÖ — surface at various levels. This core: Λ ; ΛVΛVΛ was jammed in the core barrel and the

U "a* .V.V.V.". 5 == liner split/shattered upon retrieval.

i^rlvlvlv! 3

- L 4 •Mvv-" o I ] 10Y-V.-.-.-.V-Y 4 S2 i5 > i 4/1

5 _ ^ • Λ V . V . V _ ^ ToIL••U;-"- > ! 10Y

; Λ VΛ-Λ->! > j 6/1

I^ΛΛVΛ- 5 =

5-V^ΛVΛ-"-Λ

7_ Λ ΛVΛVΛ —

8-^•Λ-ΛV» —

J^•Λ-ΛVΛ• ^

9_^VΛVΛV

: £"* ΛVIVΛ• CC ! M

iK•H•.-..---1 π I I I | M | I

-J00

So SITE 1002 HOLE C CORE 19H CORED 169.9-170.1 mbsf

2 Graphic £ ® ^ o- o| Lith. α> «? Structure « % g Description

I r•H I I I I INANNOFOSSIL SILTY CLAYandDOLOMITE

General Description:This core recovered a total of 15 cm ofNANNOFOSSIL SILTY CLAY in thecore catcher after coming into contactwith a hard, well indurated DOLOMITElayer. The sediment is olive gray (10Y5/1) and highly disturbed. Dolomitefragments, of the same color as thehost sediment, were found at 6-7 cmand 11-14 cm.

SITE 1002 HOLE D CORE 1H CORED 0 . 0 - 4 . 7 mbsf

2 Graphic •£ α> ^ 9- .o-§ Lith Φ < Structure .« | o Description

: >Kf-I-I- I SILTY CLAY WITH NANNOFOSSILS: .J ? IHHr: A N D FORAMINIFERS and DIATOM

- ^ / — _ - _ - : > NANNOFOSSIL CLAYEY MIXEDl•••i", ™ H : 1 = SEDIMENT

L- /r--..-- ~ i5^rT[}{^: ^ General Description:

: L j rT zrtr! This core consists of dark olive gray-'•Λ -, ---X — = (5Y 3/2) SILTY CLAY WITH:t j rTr_-_— = , .„ NANNOFOSSILS AND

2_ LJ ;• as = |.^ FORAMINIFERS and olive (5Y 4/3 toiV1™ ? § 5Y 5/3) DIATOM NANNOFOSSIL:^-V;---X o = CLAYEY MIXED SEDIMENT. Slight

~ t • 1 ^ 7 1 ^ ^ ^ x = bioturbation is present in Section 1 and: ^ p"1 iHHr = pteropods are present below Section 1,

3_ L j rj ^LJ^T: 42 cm. The core is faintly laminated in: Jj r| ' ^ ^ the upper three sections and well: / Jji r_~_"j laminated in Sections 4 and CC with-1."1 r"1 ^ { H r ^ = sub-mm to mm thick laminae. A: ••j rj ^inr: = prominent diatom-rich lamina is

i . ^ 1 ^ - " - " - " ^ ^ 5 5Y present at Section 4, 15 cm.^ -;------ = 4/3

-^ rπ-~---: 4 = TO

-tj;4.----- = 5 Y

l-4x>---|CQ I — I I I K/3 I

SITE 1002 HOLED CORE 2H CORED 4.7 - 14.2 mbsf~Zj T s l ~ i £| ü~~l ~~~& Graphic p> ^ g- o§ Lith Φ < Structure .w t o Description^ ' co Q co °

iHHüHHl -5 EE t F ' NANNOFOSSIL SILTY CLAY and: ^ r T " - ~ - I - x —it- 5 Y CLAY

" \ -i_-_-_-: — = ' F 3/2"V f r t—~ 1 1 F General Description:

1— '-VΛV.•.V.V This core consists predominantly of: ΛVΛVΛVΛ 5Y olive gray (5Y 4/2 to 5Y 5/2)

_ •V-V.V.V.V. ^ 7/1 NANNOFOSSIL SILTY CLAY with".VΛV.V.V.• P minor amounts of light yellowish brown

:-.-.-.-.-.-.-.-.-.-.- 10YR (10YR 6/4) and light gray (5Y 7/1)2- .V.VΛ•ΛVΛ * 6/4 CLAY, olive (5Y 4/3 to 5Y 5/3) SILTY

: ΛV.-.V.V.-Λ 2 % CLAY WITH NANNOFOSSILS AND: •ΛVΛ•ΛVΛ• > DIATOMS, and olive gray (5Y 3/2 and

~ VΛ-.V.V.-.V. 5 5Y 6/3) SILTY CLAY WITH^hJrJrJr. & NANNOFOSSILS AND

3- J-j* r t r i r : — FORAMINIFERS. The core is slightly: K irinn: * bioturbated, but also has a well-•1-"1"-1- • ~ H r • laminated interval at Section 1, 0-74

- V1: -_-_— cm, and other laminated intervalsV : "^£^X: 3 I within Sections 4,5, and 6. Several

4— t - ^ [ H r m : turbidites, most with sharp boundaries,-Li1™'- occur at Section 1, 16-18, 30.5-33, 35-

_ V r_-_-_-: _ 1 36, 43-44, 74-75, and 77-78 cm. Rare"1"J•J• ~ i r i r i : Φ diatom-bearing laminae are present in^-"üHHK: 5 Section 1, 0-30 cm. Scattered shell

^~•^•1-€HHr- (pteropod) fragments are present on- Λ i^rtr: 4 • i _ the surface. A silty sand lens occurs atiViiTLTLr: E = 5Y Section 5,99.5-101 cm.

- J•JL•J; ------ — -o 4 / 2

I^LT^.--— TO

9_è::-i-i-i_ j

^ .4- - - - - - -JnH I ? I l l I I

~j:

Sá SITE 1002 HOLE D CORE 3H CORED 14.2-23.7 mbsf* r π i~si i i•°i ® i i

2 Graphic £ <D a Q- o§ Lith Φ < Structure m § o Description"^ CO Q 05 ^

I " I-IHrp | _ NANNOFOSSIL SILTY CLAY

TV:"_v_•: General Description:: J"J•J• "~iHri: ^ This core consists of olive gray (5Y 4/2

1 _ ^ • !-_-_— to 5Y 5/2) NANNOFOSSIL SILTY: V•' £ H r i r : CLAY. Intervals showing slightI v ! ~-r~JT-T. = bioturbation occur between faintly- to- Uj^ ^rzrzszz = well-laminated intervals. TheI i^• _-_~_~J laminations are mm to sub-mm scale,

2— J i J •' •iHrir: ^ w i t n colors varying between light and>i1::-".".": 2 ^ dark olive gray. Slightly thicker light: / i XHri; 9ray layers (5Y 6/1 to 5Y 7/1) occur in

~. Λ ; _-_-_— Section 5 at 52, 54, 56, 98, 106,109,"i*- -irirzi- 1 3 7 • 1 4 1 • a n d 1 4 4 c m ; a n d i n Section

3_ "•j* -_-!.-_-: _ 7 at 15, 24, 29, and 54 cm. A void-"i ririH: occurs at Section 7, 61-63 cm. Some

" Λ : zzzzrzi 5 scattered shell (pteropod) fragments- •"1- £HHr- ^ a r e present on the surface of the core.

->:-------: 3 5

. ">i:- i- i- i"~ g = 5Y-Aj-I-I-I-i 8 > 4/2-,-iv ~inn: w r V

>á ::=:÷:4 ? | 1/2

:^-i-i-iP5 ü7_ At -_-_-_-: =

9— / i !riHH: =

: ^ - ^üHCC _ j j

SITE 1002 HOLED CORE 4H CORED 23.7 - 33.2 mbsf~~π i ci ~~Tsl iü I ~B Graphic = α> => 9- .2^ Lith 0 < Structure <n. = ° Description•2 ' co Q co u

~~^I-I-I-I-~ = ~ NANNOFOSSIL SILTY CLAY

~^.~iririr: = $ General Description:iV:]---- 1 = This core consists of olive gray (5Y 4/2

1— Λ ) J I T W > to 5Y 5/2), and light gray to gray (5Y: A; ^ H H r $ 6 / 2 1 0 5 Y 6 / 1 ) NANNOFOSSIL SILTYIV: iru^r: > ^ CLAY. The homogenous intervals are

~-^lrirzril I % slightly bioturbated, while Sections 4: / i - " _ " _ ~ 5Y and 5 contain a distinct mottled fabric.

Z- " i * z r z ™ ü ^ 5/2 Large diameter, discrete burrows are> / ' TJTLnr: 2 = ^ present in Section 4,0-32 cm. Faint,I ^ • ^ H r i : = ^ mm-to sub-mm scale laminations

- Λ -V_~ = ^ occur in Sections 1, 2, 3, and 6; some: Λ •^£}£H ^ °f these laminated intervals are slightly

3_ ^ -_r-T-T. = ^ bioturbated. DOLOMITE nodules occur: K JHHri: — a t Section 3, 57-60 cm and 77-82 cm.j . a i 3 i r m ; ^ I ^ ~ Slight deformation beneath the lower

- \^- "iririr" r^ 5 6/2 dolomite layer probably resulted from: •J1; -_-_-_-: 3 ^ ^ T o APC "hang-up" on the stroke.

― L*i r i r ™ : ® ^ 5Y Pteropod fragments occur at SectionI A; " _ ~ ^ 6/1 3, 130 cm and Section 7, 25 and 50: "•J• - j ^ d 5 -^ c m Expanded material from Section 2,~Vii^nri~ cu ^ 150-153 cm; Section 5, 150-153 cm;- Λ • r i H r ü § I a n d Section 6, 150-153 cm is boxed

5_ t• i r_-_-j 8 ^ separately.:V-:-I-I-I-^ 4 1 $ 5Y

J V - . > - - ^ E 5 5/2-Λ! -_-!_-.: ^ T o

: Λ ! _-_-_— 5Y^ Λ L > - - - T P — J 4 / 2

!Λ;:-I-I-2 5 = j —

^-^il-ZHJi: = 5Y:V-:-I-I-IT 6 j " 4/2

-V•:-_-_-_-. 5Y

: A -----3: DC 5

SITE 1002 HOLE D CORE 5H CORED 33.2 - 42.7 mbsf

π \wi i•oi s i — i 12 Graphic •= α> => 9- o--£] = ^ 4/2 FORAMINIFERS

1— L-•i.-_-_" $ General Description:^"EHr i r : > This core consists of dominantly

I •JL1: i n r ^ r : 5 massive, olive gray (5Y 4/2) to~ I > i H H H • ~ = ^ 5 ^ 7 greenish gray (5GY 5/1): Λ ; - - _ - _ - = ? ö / 1 NANNOFOSSIL SILTY CLAY, and

->-•îHHr: = I olive gray (5Y 4/2 to 5Y 5/2):V-;-_-_-_H 2 = ? NANNOFOSSIL SILTY CLAY WITH= ^ H H r • i : = J FORAMINIFERS. Faint laminations- Λ riru^: = 5 occur within Section 1, 84-94 cm and^znzizz = $ 105-108 cm; and throughout Section

3- V:"_"_": 2. The sediments are slightly: c"i r i r i H : > bioturbated, and mm-scale burrows; i.-1^ Lr^nr^: | produce widespread mottling across

~ "u* O i r i r : ' t n e interval Section 1, 108-150 cm. A: •£•; nr^H 3 > DOLOMITE nodule is present at

4— ^ j_-_-J s 4/2 Section 1, 10-14 cm. Pteropod shell11^ rinr^ ^ fragments occur at Section 1,60-70: V "iriHr: > c m ! Section 4, at 55, 64, and 71 cm;- V; ™_" dj ^ and at several levels in Section 6.:±V-_-_-• g 5 Scattered foraminifers occur on the

5_ i I^nm g ^ split surface of Sections 3 and 4,: ^ zrzr-^r. 4 ^ ^ above the transition between:Q'zzzr-r. 2 5 i5 NANNOFOSSIL SILTY CLAY and

~VJ~I-G > NANNOFOSSIL SILTY CLAY WITH:î!rirtn: > 5 Y FORAMINIFERS. Foraminifers are

6_ Λ: £Hrir: s 4/2 c | e a r ly visible on the core surfaceIV: nnrr 5 T o below Section 5, 145 cm. Expanded/iHriHI ' 5Y material from Section 1, 150-153 cm;

~ ^ ü h r ^ L i > 5/2 Section 3, 150-156 cm; Section 4,~-^•zzzrOr. 5 ^ 150-153 cm; Section 5, 150-153 cm;

7_ V: "înr: ^ 5<3Y and Section 7, 80-89 cm, is boxed/i^HHi ^ 5/>1 separately.

- T LJ . J : - - - - - - ? 4/2

I,"^. - - - - - $ To

m^>:-I-Ii-;cc _J

SITE 1002 HOLE D CORE 6H CORED 42.7 - 52.2 mbsf~π "Tin i -g i ü I ~£ Graphic ~ tu => 9- .2•s Lith Φ < Structure « | o Description•2 CO Q (yj U

l+>KriH: j NANNOFOSSIL SILTY CLAY WITH: ^ r - I ~ $ FORAMINIFERS, NANNOFOSSIL

~ V•h.-----: SILTY CLAY WITH DIATOMS and:Vf-----] 1 NANNOFOSSIL SILTY CLAY

1— Λ E ^ ^ E=^-"ifriHr: = Y General Description:

-" Λ ; •JT^IT. = "Jo T n i s c o r e cor|sists of olive gray (5Y 4/2-"L•X---£:— — = ^ f to 5Y 5/2) NANNOFOSSIL SILTY:»L

J.J•-I~• = 5Y CLAY WITH FORAMINIFERS, olive

2_ vV:"-~-I- = 5/2 gray (5Y 4/2 to 5Y 5/2): v A; ^-_-_-' ? = NANNOFOSSIL SILTY CLAY WITHferl~I-I: — DIATOMS, and olive gray (5Y 4/2 to

~ t• i ~ n ; ? 5Y 5/2), greenish gray (5GY 5/1), olive: A: -I-£T-I- J ^ (5Y 5/3), and gray (5Y 5/1 to 5Y 6/1)

3-^.-J rjr.— \ NANNOFOSSIL SILTY CLAY. The- t • • i ^ r i r i : > non-laminated sediments are massive:/•J:.-_-_~J \ and slightly bioturbated. Faint to very

~ I i l •"ir iHr: ? ^ ^ faint, mm-to sub-mm scale-'if- --T-szr. 3 '__ 5n laminations occur within the

<L_ |J£----TIT: = NANNOFOSSIL SILTY CLAY of~J^•J: . - _ V J > Sections 1, 3, 5, and 6. Discrete gray- if innr: ? (N7) laminae occur within Section 3,rvi-~-~~ > at 110 and 113 cm. The:V:---2T] g 5 NANNOFOSSIL SILTY CLAY WITH

S-^>.-v--: 8 \ DIATOMS is faintly to well-laminated,: *£• €HHr: 4 •§ ? v predominantly on the sub-mm scale,-•^ir iπr: ^ > ^ Pteropod fragments occur at Section

~/i !KrzH; °• ^ To 2, 120 cm; Section 6,34 cm; and-t•*i - V _ ~ > 5Y Section 7, 70 and 89 cm. Minor

^ " i •inrr: 2 5/2 cracking of the sediment due to gasI *j.J• ^ ^ n r : > expansion is noted from Section 2 and-A: r i r iHI 5 t n e ^ (<^ c m partings). Small

~ l H l i π n m > DOLOMITE nodules occur at Section: Λ •QOir: 5 ^ 5, 135 cm, and Section 6, 121 cm.

l1-^-----^: 6 ^ To_V:------- ^ 5Y:K•HH~ J 5/3

:M-:-:-i ^ 5YJ Λ;------ 7 5 5/1

^v-f--~-~-^cc ^ 6/1

::

g SITE 1002 HOLED CORE 7H CORED 52.2 - 61.7 mbsf>- o i -D| ^ r2 Graphic ~ α> ^ Q- ^•i Lith α> <c Structure .« E o Description

: ^ut-IHr-I: ? -& NANNOFOSSIL SILTY CLAY:V•:-I-I-IH 1 ^ ^" " ^ •HHH" ^ ^ General Description:- / i 's--T.÷~— 1 ^ This core consists of dark greenish

1 - Λ .-_-_— — ^ ^ gray to greenish gray (5GY 5/1 to 5GY: A -I-I-I-: 5 4/1) NANNOFOSSIL SILTY CLAY./ i "HHrü ^ T h e m a s s i v e . non-laminated intervals-KrinHip ^ are slightly bioturbated. Faint- / • j i n n n ; 5 laminations occur in intervals of

2- •£» •{r£Hr: ^_ Sections 2, 3, 5, and 6, while fine,^ ^EHHI = well-developed laminations occur inΛ riHri: = Sections 4, 6, and 7. Pteropod shell

- Λ • ^ ^ £ ^ = fragments are common in Section 1,: i i * £r£Hr: I and are found at Section 4, 110 cm.

3- "x1; •^^X^ 5 D ^ a s e×Pansion cracks (<1 cm-thick)- Λ JIΠT^: 3 \ occur within Sections 1, 3-5, 7 and 8.^•zrüz^r $ A coarser, semi-lithified DOLOMITE"i*; -_-_-_: 5 layer occurs at Section 3,49-53 cm.

: ÷:-_-_-_-: g > ^ 5GY: Λ ! - I - I - I - 8 5/1

" ^ • - - - ~ -2 To

i^•I-I-I-I •| 5GY( L ^ - - - - - - - E 4/1

: i : =:=z=B 5 *

I I 7 iHi I S - i| | ]

tL^-I-I-IHCC 5

SITE 1002 HOLED CORE 8H CORED 61.7 - 71.2 mbsf~Zl "Tsl i -Q| ^ IS Graphic α> 3 α. ^^ Lith. Φ < Structure .« | o Description"^ ' CO Q c/3 O

t4-- IHrp $ NANNOFOSSIL SILTY CLAYj^r^---- 1 M *"t^iiHririi rr General Description:- Λ .-_-_— _ = c This core consists of dark greenish

1—Λ.- -^£}£^ ~ I gray to greenish gray (5GY 5/1 to 5GY: «£ •Z~ri = I 4/1), and gray (5Y 6/1)

j | j j * H H H ; ^ > NANNOFOSSIL SILTY CLAY. Faint,-^jjinn: 2 Er j and frequently bioturbated, laminations- Λ - ^ ^ ^ = ? a r e P r e s e n t i n Sections 1 and 2.

2 - L / - ~ J • J : — * Pteropod shell fragments occur on the" Λ! ririri: 5 split core surface at Section 1, 47 cm;

J !?i r_-_~ — ^ Section 5, 2 cm; and Section 8, 0-35' •"1 £Hrir" ^ c m • Sediment cracking from gas• " i * " _ ~ _ ~ J : ^ expansion is common in Sections 1, 2,

^~ ""•1^ "~Hr^ ^ and 4 through 8.

: K :~_=_-: j

~Λ :-!-!-: 4 J; Λ r_-_-] J 5GY

i- Λ --_-_— j 4/1Λ-I- I- IH ë j TO

-^"_-_-_-— S J 5GY- V- nr-_- i5 > 5/1

:vi-I-I-IH5 j

- ÷ - Z - I ~ 6 $a-:•^:-z-z-z ^

=->•-z-z-~~- j=vi---Z~— J-V: -_-_-_- I

uç^-Z^HH~ JÖ $

~V^-Z-ir-Z- ^ ^ 5GY

Jt>gBBjM M i l l 6^113

^ SITE 1002 HOLE D CORE 9H CORED 71.2-80.7 mbsf

π nπ H »i—i 1B Graphic -j= α =1 2- .2-§ Lith α> < Structure .« § o Description• 2 ' CO O $ <~>

: Λ E H H H : J 5Y NANNOFOSSIL SILTY CLAYjVir l- I- IH > 4/1

•V: •_~_~_- I * , To General Description:Ij•v r i r i r l 5 Y This core consists of dark gray to olive

1—/u; -~-~-~- = # i 4 / 2 gray (5Y 4/1 to 5Y 4/2) and greenish"v1- iππr~ — 5 9 r a y t 0 dark greenish gray (5GY 6/1 to

: V: :-I-~-^ 5GY 4/1) NANNOFOSSIL SILTY~ ±i^ririr-— I 5^[ CLAY. The core is weakly bioturbated- jf•j: s~-rs~- > j with some zones that are faintly

2_ J- A £3£}£^ 2 5 9, laminated. Partings (< 1 cm) related to~ uj? , zsiszn g/1 gas expansion cause moderate core-A; 3 £ H H J > disturbance in Sections 1 and 4. Gas-A; r_-_~ _ voids are present at Section 2, 87-127V vrji ? c m : Section 3,87-91 cm; Section 7,

3_ V ; ~~-~-£J 5 -^ 77-79 and 136-137 cm; and Section 8,^-"ijiHri: t 62-67 cm. Expanded material from

±Ljrjrjr- $ > J6 Section 8,83-91 cm, is stored- V 1 •iriHr: 5 separately.

^ ^ • L - I - I ^ ~ * 5Y

5_ >i I-I-I-I 4 % \

J.J. C

^-^:-I-I-IH | > 5Y: V;------- 5 5/2: *& ------- 5 > To

igE-I-I-: \ JÖ 6/2

^E:-i-i-d6 =

: KI-I-I-I- ~ I 5GY9- Λ -------- 5 4/1

| £ -I-I-I-i 5 To: V• ^.-_-_- 7 _ 5GY

">i i-i-z-i = 5/1

"l^HKH: 8 =

U-^-I-I-I:--

t ^ P - I - I - l l c q M i l l I

SITE 1002 HOLE D CORE 10H CORED 80.7-90.2 mbsf

ü> Graphic ~ α> ^ 9- o•s Lith 8 < Structure « j= ° Description• 2 CO Q CO

I/i•Er-I-iH: $ 5GY NANNOFOSSIL SILTY CLAYIΛ: ------- 1 5 4/1

•:Vj-_-_~_":— y? General Description:J"J•J• r i r i r i ; — ç/i This core consists of dark greenish

1_ Λ _-_-_— = 5 / 1 gray (5GY 4/1), greenish gray (5GY: Λ -I-£I-I- $ 5/1 to 5GY 6/1), light olive gray (5Y: V : •ir^-ir: 2 ^ 6/2), olive gray (5Y 4/2), and gray (5Y

"V]3£3---2 ^ 5 Y 6/1) NANNOFOSSIL SILTY CLAY.i/i-T^ππ: 5 6/2 The sediments are slightly bioturbated,

^― ^• "iriHr" ^ with faint laminations observed in: V; -_-_-_-: ~ ^ Section 2, 0-41 cm; Section 5, 0-149-^• Irszzzl ^ ~ c m ! a n d Section 7, 15-28 and 55-67

~J-±—JT-r— I cm. A discrete Zoophycos trace fossil~.UΛ. ^ziz}- 3 ^ occurs at Section 3, 131 cm. Cracking

3_ ' ^ -_-_-_- 5 due to gas expansion occurs within: Λ! riHH: ^ 5GY S e c t i o n s 2 through CC. Pteropod (?)it••i-rtππ: $ yyy 6/1 shell debris is observed at Section 4,

~ " i * zr iHr: — ^ To 137 cm; Section 6, 50 cm; and SectioniVi^nnr: $ 5GY 8, 17 cm. Expanded material from

4— / i i H r i H : ^ 5 / 1 Section 4 (150-155 cm) and Section 5i^-nrin; ^ (150-159 cm) is boxed separately.

_vi-I-I-I^4 ?

5_è::-i-i-i g _ ^ —- J-• ^znnz & =

_; £ suzrn w 33

H^iE=zl i SY:A;£HHJ: = 4 / 2

:V i - - - - - -~" l

7_tJli----I-I: J

;^ : I - I - IJ6 5 ^

δ->;:-_-_-_-_ 5/1= Λ: --_-_- L To:Λ:------- = 5Y

~v•i-------i _ 6 / 1

β 7 r —- ^ - I 1 ! 1 ! 1 - I 4/1

itt^S H8 ! ^ 5Y:V:----^"--— $ 4/2

J Λ : H H H ; C C >

^ SITE 1002 HOLE D CORE 11H CORED 90.2-99.7 mbsf

^ r r r ~ ~Tsl~ I -E| ^ i l~~£ Graphic ~ Q- o.§ Lith Φ < Structure .<£. § o Description•2 CO Q CO

I>uiEHr-I-I $ 5Y NANNOFOSSIL SILTY CLAY,li-•1-^^Hr-Ir1 1 * T / 2 NANNOFOSSIL SILTY CLAY WITH

-V•'~-" -~-""-_ ^ cv DIATOMS and CLAY WITHiVJ--r ir i r : $ 5/2 NANNOFOSSILS AND SILT

: i•J"J• •iririr: ^ ^ General Description:" .•1-"_-_" 2 $ 6/1 T n j s c o r e consists of olive gray (5Y 4/2

- V : I-£I-I-I 5 to 5Y 5/2), gray (5Y 6/1), dark olive:MI; _-_-_— ^ 5Y gray (5Y 3/2), and dark gray (5Y 4/1)

2-: i."1"- EHHH ^ 5 / 2 NANNOFOSSIL SILTY CLAY; olive: Λ -_-_-_-: — gray (5Y 4/2) NANNOFOSSIL SILTY: ^ -£»2 I p, CLAY WITH DIATOMS; and gray to

- Λ• inr-_~ 5 light olive gray (5Y 6/1 to 5Y 6/2),: Λ ; ^3£rir: ^ 5Y greenish gray (5GY 6/1), and pale

I:1/-.--"-". 5 o/o brown to light yellowish brown (10YR: V : ^ H r ü ^ 6 / 3 to 10 YR 6/4) CLAY WITHlî--în: ^ NANNOFOSSILS AND SILT. Non--"""•iiπiir: ^ laminated intervals are slightly>j.-1;"-"-": ^ bioturbated; large cm-scale burrow

^ ― ^ i H H H : ^ structures occur in Section 2,28-56i/iinnn: 5 cm. Very faint laminations occur at:Λ-_-_~ 4 5 Section 4,84-150 cm. The interval of

-V•;-_-!_-_-: = $ NANNOFOSSIL SILTY CLAY WITHt"1"!!; iHrüri; = DIATOMS contains well-developed

5_ / i .v_~ £ — ' laminations except towards its base,-v li"-^ r l r i r : — o = where they become less distinct andi V • ^ π n π -2 5Y more intermittent. A semi-indurated

~ \ 'y •zH~ 1 — 4 / 1 nodule of DOLOMITE occurs at the: I inn: Q- T° base of this lithology (Section 6,118-

6 _ M V : ~-zrO1 5 , Y 120 cm). Below this sequence, in theIV-Î--TL-: = CLAY WITH NANNOFOSSILS AND

" "•• " iHrü SILT, several 1-5 cm thick packets of~v^-. ~szs~— faint laminations are interbedded with: v i "jrOrir• homogenous sediment between

7_ u I|*i ~ _ v Section 7, 0-93 cm. At that level, there-" -* iinri: is an abrupt color change from^"iîrmie zz ^ greenish gray to pale brown/light"îiririr: ~ ? yellowish brown. Foraminifers are

;»*!*?:—— rS) zz abundant on the core surface of8_ ^; -"VΛVΛV CY Sections 1, 3, 4, and scattered shell

: I:".".'.".'."."."."— 5 .. fragments occur in Section 3, at 22,: i : ΛVΛVΛ"! TO 3 0 - a n c l 4 2 c m • M o c ierate disturbance

~.':.VΛVΛV. — 5Y by gas expansion occurs in Sections 1! : I V Λ V Λ V -, > 6/2 through 3.

*-_* :Λ-Λ-ΛVΛ I: ' I".-.-.-.-." > 5Y: ' : : ; ; . " - / . < 6/3

" I > > X V > Λ - TO:; :-Λ-ΛVΛV 5Y

l | ΛV>ΛVΛ 8 ^ 6/4

: ! Λ \ V : V : V : - J 5 Y

-J;1VX-:VΛ^PC | ^ | | | 6/1 |

SITE 1002 HOLED CORE 12H CORED 99.7 - 109.2 mbsf

B Graphic •° 

>T•EL-I-I-I: ^ 5Y NANNOFOSSIL SILTY CLAY: Λ ------- 4/2- •'i1: "inr^r: ? ~*~o General Description:: / i r i r £ r £ : — f/o This core consists of NANNOFOSSIL

1_î . - . - _ " — SILTY CLAY typically varying in color- \^• "iHrii" f r o m dark gray (5Y 4/1), dark olive: V•" -_-_-_-: s gray (5Y 3/2), and gray (5Y 5/1 to 5Y

~ ^ ~ ~ - 2 > 6/1), to olive gray (5Y 5/2)." A; .-_-_-J 2 ^ ^ Centimeter- to decimeter-thick

^― l i i • "EHrir: intervals of faintly laminated sediments- Lj.•i; v r r _ " : ^ occur within Sections 1,2,3, and 6,- J"J•J• r i r i r i : while well-laminated sediments are

~ Λ rîn: ~~ observed in Section 4, 0-15 cm. The•"u^•iHHH > remaining sediments are massive and

3_ 'i1; -_-_-_-: I generally slightly bioturbated. DiscreteΛ ! 3£HHi 3 > 5Y burrows are observed in Section 5,

I / i r_"_"j j 4/1 and across several 20-30 cm-thick1 i J • Er i r i r : "° intervals in Section 6. Shell fragments

^••iiππr: 5Y are scattered across the surface of/L- JJLJ: 3£Hri] — ^ Section 5. Gas expansion cracks are

I/•^.-J•J•J s commonly observed within the: 'yf•• "EHHr" > sediments of Sections 2, 3, and 8. At-V: " _ ~ _ - J : S —TTT~ the base of the core, sediment is/iriHri:4 > 5/1 highly disturbed with evidence of flow-

S—/i - V _ ~ s j 0 in in Section 6, from 60-78 cm and:Λ.•-_-_-_- gj ^ 5Y 110-150 cm, and in all of Sections 7,--•Z±—-rjr. § < 5/2 8, and the CC.

-j-j. o 5J. •J; . V _ - J o ^

R - J. . CD 5

Z J Λ ^ I - = I - J ^ 5Y

^HHrd = 5/1

î:-i-i-i-6 ^

oJ^-I-I-I-: > 5Y* - V: -------- | 5/1

iV:-------- 7 ^ To

J Λ ! ~ H H : ^ 5Y

: Λ mnri; ^ 6/1

:V: ------- ^

JKL-Z-I-I 8 ^

~Λ: ------- ^ 5Y^^•-I-I-I-— §: 6/1

1>Φ====>:R I H I I

-JVO

1002D-13X NO RECOVERY

SITE 1002 HOLE D CORE 14X CORED 118.6-128.2 mbsf~π I c.| ~Tsl ^ I ~£ Graphic α> zs α. ^5 Lith. © < Structure w j= o Description

co Q co: ^•Ej- I- iH: I ! NANNOFOSSIL SILTY CLAY

= •^-I-I-I- = ^ i- l i1;znnr: ^ General Description:: V : 3£}£3£: 1 I T n i s c o r e contains olive gray (5Y 5/2)

1_ ^t• 'siππ: > % i and greenish gray (5GY 5/1)I A L ^ H H T : J i5 ! NANNOFOSSIL SILTY CLAY. The- ujf . --r.πr. ^ j$ I sediments are alternately bioturbated- ^i J I H H : I ar)d faintly laminated. Laminae in: Λ ! J IΠT^: _ Φ ^ Sections 1, 2, and 5 are greenish gray,

2— ^ riHHH = c'ay• r ' c '1> a n <^ sub-mm in size,> j . 4 ; - . — . - „ £ whereas those in Section 3 are gray,

-"i HriH: ^5 fine-grained layers up to 2-3 mm thick.~-J•ji~^-^-— ~ J$ In Section 4, a total of four distinct: I-JL" η}z}^rm ^ E= 9raY layers and a thin (<1 cm) interval

3—•V; ~-T-T-r. s with sub-mm scale white laminae are: ^ 3£r iH: =r observed. Shell fragments are visible" Λ! _-_-_" on the split core surface at various

:Λ:-X-" J ^ levels. Well-indurated DOLOMITE- ~-S-^sz 3 « = 5GY nodules occur at Section 2, 22-38 cm.

4— i j ^ ~ L ^ I ~ o I 5/1 Numerous gaps and cracks due to gas: / i . - _ - _ ~ _ : 2 ç To expansion are present in the core.: j^i; : Φ _ _ 5Y

- Λ-I-I-I-i - E ~ 5/2

S- il-IHH:— =

SITE 1002 HOLE D CORE 15X CORED 128.2-137.8 mbsf~ π ~Tsl i -Q| ]ÜB Graphic £ o 3 g- o-s Lith 8 <1 Structure w | o Description•^ en Q c/3

i>l•Er-I-I-I: 5 NANNOFOSSIL SILTY CLAY

~ j.-•i^nnr: 1 5 General Description:£"i• iHHri : ^ This core contains dark greenish gray

1_ i [-_-_" $ 5 Y to greenish gray (5Y 4/1 to 5Y 5/1) and: ^JL -I-I-IH _ 5 2/1 olive gray (5Y 4/2) NANNOFOSSIL:L / -_-_-_-: 5 To SILTY CLAY. The sediments are

~i^i ir iHH] ^ 5GY dominantly massive in nature and: Λ - " - " _ " 5 5/1 slightly bioturbated. Shell fragments

J A: -^£2£ri 2 ^ a r e visible on the split core surface at: ••j i -_-_-_- ^ various levels. Gaps and cracks due to: i^• iriHrl: ^ 9 a s expansion are common

~ Λ _-_"^~J ^ throughout the core. Gas voids areI L*J: -^£^£3" — ^ present at Section 1, 33-36 cm;

3_ £ -_TL~ 5 Section 5, 100-112 and 126-131 cm;: t•^• H H H : ^ f/p a n d Section 6, 74-94 cm. Section 1IΛJ~T™: „ 5 was slightly disturbed when it- -'i1" "iHH?: ^ ~ expanded out the top of the core liner.

SKjHHH: ^ 5/1

->il-I-I-I g 5Y= ΛL|£HHH § 4/2

^ Λ ! Jinn; 4 .«? >- • V 1 - " _ " Q_ 5Y

-V-.z-----r: j 4/1

- > i >!-_— 5 I & 5GY

I Λ E H ~ 5 / 1

^:=:=i=L I * 4/2

^ Λ : : : : : : = 7 | *

~4

^ SITE 1002 HOLE D CORE 16X CORED 137.8-147.4 mbsfr π r a — i I__I α> i 1 1

£ Graphic ~ Φ => α. o•S Lith. cá < Structure I | o Description•*2 co Q co

^tp-I-Z-I: NANNOFOSSIL SILTY CLAY

- *£-*: -_-_"_" General Description:i V : ^ - - ] 1 This core contains olive gray (5Y 4/2)

1_ _•_; r-- ---: NANNOFOSSIL SILTY CLAY. The- •"1- "iriHr: sediments are dominantly massive: V : -_"_": and without visible features. In- Λ: rlriH: Sections 6 and the CC, the sedimentsl/i JITZΠ: show evidence of slight bioturbation,

^― ' i 1 - "iririH while faint laminations are observed in: ^ zr•^n 2 -^ Section 6, 1-2 cm. Gaps and cracks: /i ririri: d u e t 0 9 a s expansion are distributed

t•^•."_-_" throughout the core, but particularly in^ "iHHr: t π e CC. Shell fragments (mostly

3_ '-j.-1: LTL^T: pteropods) are visible on the split core: -"i rtrzn: surface at various levels.

,_ _,_ ______ ^:V. -_-_-_- 3 §

4-_-::-z-:-i 8 5Y:Λ:---_- Is 4/2

J - • -____-_; _B

- IHZ• ?_-_-_• °-

:_t_j------2 4

j _ _•ihr~: i5- Λ.; ------- JK=v•:-!-_-_- s ^

7-_-t•:_;i_:i_:i ^

: ^ -_=_=__; E : — j JÖ ,

d•j •F=-=-=Φq M ^ MI 1 I

SITE 1002 HOLE D CORE 17X CORED 147.4-157.1 mbsf~~π i ci I -Q| ]Ü i ~& Graphic £ α> => 2- .2•i Lith Φ < 1 Structure .2 | o Description•2 ' CO Q oo °

: " ~-1-I-C- $ NANNOFOSSIL SILTY CLAY

. V: iππr: EE u, General Description:: V: iHriri: 1 T n i s c o r e contains dark gray (5Y 4/1)

l _ J•x _-!_-_— I and olive gray (5Y 4/2 to 5Y 5/2): A: £H~ 5 NANNOFOSSIL SILTY CLAY. The- -hj.-1;"_"_": $ sediments are dominantly- I"J•J• r ü H r i : 1 homogeneous and slightly bioturbated,: / i _-_-_~ ? though some color variation on the

2_ • ^ ^ H r i r : I >K cm-scale is observed in places. AI " l * itππr: o ^ faintly laminated interval occurs in: / i "-_-_~J \ v Section 1, 35-42 cm, while a distinct- Λ • ! h n m J ?,Y white layer, possibly composed of: " ^ •iriri j- 5 To s n e " f r a g m e n t s . occurs at Section 4, 1

i _ v•; -_-_-_-: — 2 5Y c m • A partially indurated DOLOMITEt•1'"'"" H r i r i ; 5 4/2 layer occurs at Section 3, 46.5-51 cm.

' L••ITJ•J•J \ Many small gaps (<1 cm) and cracks. Λ •~™ ^ D due to gas expansion are present in: •V: •^^TLT: 3 ^ the core, with one larger void at

4— Λ ! r£H?£: ^ Section 6,21-23 cm. Shell fragmentsI A; ΠJITI: C 5 (pteropods, bivalves) are visible on the: UΛ. • ^ ^ 1 o \ split core surface at various levels.

^-V••-I-I-I-: α ^

:è::-i-i-i- j^ - -> • - I - I -Z - ^ 5Y

= V:------- $ 4/2

~Λ: ------- J-^-I-I-I- 5 ^ 5Y

LV;-_-_y I 5/1

: v i ~--H > 4/2

^ i l = H H E J 6 ? 5Y: L t J 1 : -_-_-_-: 5/1

^^-IHHH~ 5Y

y>tfc-I-I-lH I | | | 4/2 |

g SITE 1002 HOLE D CORE 18X CORED 157.1-166.8 mbsf

B Graphic £ ® ^ α. _o^ Lith » < Structure S | o Description•^• co Q W "-J

: ^i•Er-I-I-I] $ NANNOFOSSIL SILTY CLAY

- " • j ^ " _ - _ ~ ^ Jö 5Y General Description:- ilrszjrii ^ ^ 3/2 This core contains dark olive green

1_ fx _-_--T-J: I (5Y 3/2), olive gray (5Y 5/2), and dark: Λ •iHrir- ^ 9 r a y t 0 greenish gray (5Y 4/1 to 5YI V i i ^ T ^ H ^ 5/1) NANNOFOSSIL SILTY CLAY.- K -HHH: >> T"6 sediments are slightly bioturbatedI L J .V_"J SS for the most part, except in Section 2

2_ LJ; •iHrir: >> ^5 where they are heavily to moderately~- 'j?, -^ZS-JT. 2 » 5 Y bioturbated. Numerous small gaps (<1- / i iHHH: >> ^ c m ) a n c ' cracks due to gas expansion- / i Lnnrti are present in the core. Shell: i- j." • ^ } ^ 1 5 & fragments are visible on the split core

3_ •£•; -_-_-_- o) ? surface at various levels.

-Λ: ------- o- L•J: ------- .<n >

V: o o. ^

:/-:--------: 5YIΛZI^TI; > 4/1

- Λ : -------- To

tg:::::: j 5/1

i÷t=i- i- jq ^ I' | | 3/2 |

SITE 1002 HOLE E CORE 1H CORED 0.0-1.8 mbsf>- c -9 — i_B Graphic α> ^ 9- °4 Lith. 0 < 1 Structure 1 | o Description

^tf- i~: = ^ % SILTY CLAY WITH NANNOFOSSILS^ r"1 •HKr = ^ AND FORAMINIFERS

-'^•rT-^zjzl 1 § = N General Description:l_^ r •Tr^ir^ o = 5 Y This core consists of dark olive gray

11.-1,71-1-1- ö = 3 / 2 (5Y 3/2) SILTY CLAY WITH:«!?[-_-_: X = f NANNOFOSSILS AND

~ Jj r i ^Hrü :2 : = FORAMINIFERS. Sediments: J J)i r_-π CC ^ throughout the entire core are faintly

laminated, although no fine (sub-mm)detail is apparent. Both intact andfragmented pteropods shells areobserved throughout Section 1.

SITE 1002 HOLE E CORE 2H CORED 1.8-11.3 mbsf~H I cl I n\ ]jj I ~2 Graphic •ë α> 3 α. ^•l Lith Φ < Structure .2 § o Description

: t f-I-I-I• $ T~ " SILTY CLAY WITH NANNOFOSSILSI^r^IHHr * AND FORAMINIFERS, DIATOMT^/iππr: ) NANNOFOSSIL CLAYEY MIXED: "•• r-, H H : 1 * SEDIMENT, CLAY and

1 _ / r . i - _ - _ ~ S 5Y NANNOFOSSIL SILTY CLAY

- ^ H - I - I - = # 3/2> j r J • H n r General Description:. ‰Λ r , : £ H ^ ] w This core consists of dark olive gray: j• r i ~LTJ. I (5Y 3/2) SILTY CLAY WITH

^ J L ^ T V ^ T - - - = NANNOFOSSILS AND- ' v I — 9 = 5Y FORAMINIFERS; olive (5Y 4/3 to 5Y: 'u.-1-. rV --~ ^ 4/3 5/3) a n d d a r k 0 | j v e g r a y DIATOM

~Λ•V.IΠ: = I v NANNOFOSSIL CLAYEY MIXED: Λ v ~ | I SEDIMENT; light gray (5Y 7/1), light

3- ^ ' v t h r : _ W yellowish brown (1OYR 6/4), and olive^kJ^---X (5Y 5/3) CLAY; and olive gray (5Y 5/2

11•» T -irrEi = to 5Y 4/2) NANNOFOSSIL SILTY~^r^•HHr: = 5 Y CLAY. The SILTY CLAY WITHI•iJrJ^zr: 3 = 3 / 2 NANNOFOSSILS AND

4 ^ ! " J K & T ^ : FORAMINIFERS is massive and: •.•.V.V.VΛV ^ 5 slightly bioturbated to faintly laminated,: ΛVΛVIVΛ"! Ü ^ 5'"' w i t n a prominent diatom-rich lamina. -V.V-V-V-V- ° I W 7/1 observed near its base at Section 2,: -ΛVΛVΛV!" X ^ 30 cm. Several greenish gray

5_ -.""""-" ^ 5 7.5YR laminations (<1-2 cm thick) are also: "-'.v.v.v.v.• c ^ 6/4 observed which may be distal muddy:.-"."-.-.-." o I turbidites. The DIATOM

~VΛVΛ•I-ΛV 1 ^ 5Y NANNOFOSSIL CLAYEY MIXED-L'l^ — ~—— — $ 5/3 SEDIMENT is well-laminated on the

^ " ^ iinzir °" ^ w millimeter-to submillimeter-scale. The:Vi---rir: 5 * NANNOFOSSIL SILTY CLAY is

tj*-"1- r i r iH: ^_ variably laminated/banded (mm- to cm-~J^•J: siT-n: ^ = scale) in Section 5,40-140 cm, and

: " • i n n ~ ^ == ^ over the interval of 1-10 cm in SectionU •i1: -_-_-_-: __ 6. Distinct, sandy, foraminifer-rich

Λ ! HriH!; ^ ^ > ^ Y layers are observed in Section 6 at 25: ^ - _ - _ — ^ rz w 5/2 and 29 cm; and in Section 7 at 18 and

" Λ - ― — - : To 22 cm. Pteropods are very common on: V : ir ir^r: 5 j \ I the split core surface of Sections 1 and

9-: Λ ~HH: = W

-^'-I-Irir1— ^ 4/2

id^•±-i-i-j l M 11 1 1

I STE 1002 HOLE E CORE 3H CORED 11.3 - 20.8 mbsf

2 Graphic •S % => <=>- _o§ Lith. Φ < Structure to j= o Description

w Q co u

/i~-I-IH: _ $ NANNOFOSSIL SILTY CLAY

j K ~-1-I-d = 5Y: Λ rinn: — 4/2 General Description:- Λ•-~-V-• 1 > To This core consists of olive gray (5Y 4/2

^ - V • E H ~ ^ 5 Y to5Y5/2), olive (5Y 5/3), gray (5Y 5/1),~• uj? •_-_-i = 5 / 2 and greenish gray (5GY 4/1)

j |JL* HHH: _ W NANNOFOSSIL SILTY CLAY. WellΛ:"-VJ 5 developed laminations occur frequently

• A £ H H H 5 ^ in Sections 1, 2, 3, 6, and 7. They^– •j.-* i r i r ~ 5 contain distinct gray (N7-N8) SILTY

: Λ HHrG 2 i_ CLAY layers that are often several- ^ •iHrir- = millimeters thick. Faint millimeter-scale

V : ^HriH = 5Y laminations are observed in Sections- V: ~-rznr. = 4/2 3, 4, and 6. Burrows crosscut laminae

^– JxJ H H H ] — = w To observed in Sections 1 and 3.• Λ ~rrrr = 5Y Pteropod fragments are observed as

-i^zr^rir: $ 5 ^ 3 burrow infills in Section 2, 10-20 cm.

= -I-I-IH 4 E = 5Y

JKHrEH; = 5/2

-V•'-I-I-Ir-"— 5 W

^ Λ : ------ 5 5Y- Λ ------ \ 5/2: Λ -------- 5 TO

7—V"------- 5Y:V;.~-~ = 5/3

-^•HHid— = w

- Λ -----I- — 5Y:uJ~~-r. i 5/3

SITE 1002 HOLE E CORE 4H CORED 20.8-30.3 mbsf

~zr~ ~ππ f "Tsl ^ l Z52 Graphic — <D 3 α. o-5 Lith ë < Structure « E o Description•2 co Q co

" -~-3£p NANNOFOSSIL SILTY CLAY

:V:"-"-V EE General Description:: V : X H H : 1 = T n i s c o r e consists of olive (5Y 5/3),

1— Λ .-_-_-: 5 olive gray (5Y 4/2), dark olive gray (5Y•^ •£HHr- $ 3 / 2 )• light olive gray (5Y 6/2), and gray

IV: ------I ^ w (5Y 6/1) NANNOFOSSIL SILTY- Λ! üir~; 4/2 CLAY. The non-laminated sediments- Λ; _-_-_-J J Q are massive and slightly bioturbated.

^― J i *•zr i rG: — 5Y Submillimeter-scale laminations areI "j.-* r_" j ; o 3/2 well-developed in Sections 1 and 2,: A : iHrir i] w n i l e those observed in Sections 3- A: ."_~_" = ^ and 4 are less continuous and more:-"i1-zHrG" — variable in appearance. The

3_ ^ -_TJT-r: ^ laminated intervals, in general, are: I"J•"I• r i n n ; = characterized by the variable: j"i πrtrt; occurrence of distinct gray to light gray

~••u^•iHHr: ~~ (N8-N7) laminae that range in: V ; - _ - J V : 3 ^ thickness from less than 1 to several

4— / i iHHH] millimeters thick. Hard, well-indurated-/i-Tiπn: c z= nodules/layers of DOLOMITE are; Λ; r^nrti 8 ? observed in Section 5 at 33-36 cm and

-•i- i - I - I - IH- | ! W |Y 46.49 c m .

J i m 2 =, B; v i ------H 4 = 5/2

βJ^iEH~— j w

: S : - E H H I ^ 5 Y

:K - - - - - 5 5Y

7_VL;-I-I-I-: J 6/1

i ^ --r--r-_- ? w

^è:-z-i=d j 5Yi/u;------- 6 j 5/2

-Λ::-I-I-I ^^^.^"hr^zTtlcu > | | | |

'ë

© SITE 1002 HOLE E CORE 5H CORED 30.3-39.8 mbsf

S Graphic •B ® ^ Q• 2-i Lith Φ < Structure | o Description•2 co Q co

:^£EHrir£; I NANNOFOSSIL SILTY CLAY:V-•-I-I-I-: * 5 G Y

-"•j^•nnrzr: (3 ^ ' 5/1 General Description:-"-"•"•r ir "* = *< This core consists of greenish gray

1_ / £ r_-_~ — fá (5GY 5/1 to 5GY 6/1), dark greenishi i • •^-• -^- -~ \ 5 G Y gray (5GY 4/1), olive gray (5Y 4/2 toIVi~r~ > 4 / 1 5Y 5/2), and dark gray (5Y 4/1)

- V : ^ H H : ~~ \ NANNOFOSSIL SILTY CLAY. The: ^ J . - _ - _ ~ > sediments are predominantly massive

2— •iHHr: J a n d slightly bioturbated. Only a few> / -_-_~_~ p ^ t n ' n (< O cm) intervals throughout the: i•"i H r l r l : J 5QY c o r e c o n t a i n very faint laminations.

" / - J J . - J I T J > g/1 Pteropod debris is observed at various:•V•£H?iH ^ To levels in the core, while a small

3_ v!"-"-"-": ? ^ W 5GY virtually intact bivalve shell is observed- / i "~iriri: ? 4/1 at Section 5, 32 cm. A well-indurated: Λ • r z r i n : ^ 5 DOLOMITE layer/nodule at Section 1,- ^ £HHr: ^ 47-52 cm, has probably led to the: V: irinr: 3 ^ moderate sediment disturbance and

4— ^ r i r i H : I ^ apparent "flow-in" observed in the-Λ.V-~J D J upper 40 cm of this section. Incipient: Λ : r•^•-r÷ X DOLOMITE is observed at Section 3,

- A : -_-_-_-;— g W 5GY 108-112 cm.V•• - - - - - - - ë 6/1

5_>i ---------•V-------- 4 ® ^ ^: V. - " _ - _ - Q- >

- Vi ------- 5GY: Λ• --I-I-Ü 4 /1

6_^i-r;-----;_ ^ W:lS:-I-I-2 \ % 5Y

~ Λ : _-_-_-_- > 4/1IΛ: ------- 5 To

7_jij:-i-i-i- 5 Y

i•i iznr^• = 4/2

- ^ HrErd — w

Mm \iV••-I-I-I-i 6 J 5YΛV-~-- $ 4/2

>á|lll|7 | ^ 5GY'S:-:-:-:- i 5/1l->•Jr-----•ilcq I I I I I I

SITE 1002 HOLE E CORE 6H CORED 39.8 - 49.3 mbsf

S Graphic ~ » ^ 9- .2•i Lith o < Structure « | o Description

>ifr iHr-I: $ NANNOFOSSIL SILTY CLAY and: Λ -I-OC- ~~ * NANNOFOSSIL SILTY CLAY WITH

"•1-^------T $ £ DIATOMS

1— Λ ! -^nr^: ^ General Description:: Λ -iH3£i- $ ^ This core consists of olive gray (5Y 4/2:Vi------- $ W to 5Y 5/2) NANNOFOSSIL SILTY

~1"-1-"1- "~iHH: ^ CLAY, with an interbedded interval of: Λ U H T ™ ; ^ u olive gray (5Y 5/2) NANNOFOSSIL

2 - Λ : EHr™ ^ 5Y SILTY CLAY WITH DIATOMS. The:V:----nr: 2 5 4 / 2 NANNOFOSSIL SILTY CLAY is^-"iiHHH: I £ predominantly massive and slightly

~- A.~^-jr- 5 bioturbated, except immediately above: Λ - I~^ ^ and below the NANNOFOSSIL SILTY

3_V-;-_-_nr:_ ^ -^ W CLAY WITH DIATOMS where it is/ £ r iH rü ^ intermittently laminated (Section 3,73-IK .v_-j ^ 103 cm; and Section 5, 16-21 and 120-

Ti.-^:-----^ \ 137 cm). The NANNOFOSSIL SILTY: V i ------r: 3 _ CLAY WITH DIATOMS is well-

^^-"ujrOiH: I X laminated throughout. Pteropod: ip^Ktnn: fragments and minor gas expansion; v Λ : • ^ J ~ W cracks are observed throughout the

""v±^•-~ = core.

^^E: 1 : 1 ! § I 5Y

7 - ^ : - I - I - I ^- v i >~I-I^ = w

IV•" ------- J 5Y

S _ " --r---- ^ 5/2-t-^I------ G J T o

K HH™ 6 5Y- Λ; -----r : J 4/2

g SITE 1002 HOLE E CORE 7H CORED 49.3-58.8 mbsf~π i c i i i .£>( ^ i ~32 Graphic ~ » => p- .o• Lith Φ «? Structure .<ü § o Description

' co Q $ u

l^r iHri : -, $ 5 Y NANNOFOSSIL SILTY CLAY: t / - _ - _ - _ - : _ == 5/2.y-.-.v 3 General Description:

"•*-1- j_ -_"J ? This core consists of olive to dark olivei—>il-i.---^ ? |Y gray (5Y 5/3, 5Y 5/2 to 3/2) and

: Λ -I-I~ 2 ? xn greenish gray (5GY 5/1 to 4/1):Vi---I-I- J 5Y NANNOFOSSIL SILTY CLAY.-^jrinn: 5 5/4 Sediments are predominantly massiveI Λ: .ππn: ^ and slightly bioturbated, but contain

2_ i^±. £Hrir: — ^ ^ f a ' n t subcentimeter-sized banding in: V : ^r^r i r : ^ ^Y Section 1, 31 -36 cm, and more well: ^ i "-iHrü ^ 5/2 developed centimeter-scale laminae in~-f±lrjrjr- ^ Section 8. Semi-indurated DOLOMITEI Λ : 1 £HJ£H J 5Y layers are observed in Section 4 at 68,

S — ^ • ^ r i r : ^ 3/1 84-90 cm, and possibly at 110-112-'j-ilrsilrl I ^ cm, and in Section 5 at 96-100cm.^•^•-~-~-~- I W Pteropod fragments are observed on

~1^-• £HriH ^ 5GY the split core surface at various levels•v! i r z n r : ^ 5/1 in the core. Cracks and voids related

^― Λ ) r i H r i : ^ To to gas expansion are scatteredz ^x~zzr-T— 4 n 5 5(^Y throughout the core.

-/u:------- > 4/1

i^i=iBO D I^ ; S B l - I i w —

V:------ 2 Jl ^ / • . - - - - - - -52 I 5Y

: J. .—^j^ j To

< L J > ; : - - - - - - ^ 5YV-•-I-I-I- D 3 / 2

|: ::÷:e 5

:K:-:-:-: J ^ SY

*÷áM- I w TO: Λ -I-IHH > 4/1

jVj-_-_-_2_ ^ W

i f l i K E l ~ : = 5GY

A ~_-_-:— — 4/1

SITE 1002 HOLE E CORE 8H CORED 58.8 - 68.3 mbsf

3 Graphic £ α» = 9- .25 Lith α> < Structure .« | o Description• 2 co Q co

I Λ J H T I H ] D 5Y NANNOFOSSIL SILTY CLAY

:Λ-_-_-_•• 1 = 4/1V mr." General Description:

: V : 3 ^ H r i ; $ T n i s c o r e consists of gray to dark gray1 _ Λ >_-_— 5Y (5Y 4/1 to 5/1) and greenish gray (5GY

Ii•^i-•-^-----: = 4/1 4/1 to 6/1) NANNOFOSSIL SILTY" "i* titnr: To CLAY. Sediments are predominantly-^irinn: 5 f/T massive and slightly bioturbated, buti Λ !hnri: ( faint to moderately well developed

2— •1-' •£r£?iH ? m m " t 0 sub-cm-scale laminae are-^-.--r-rsz— j w scattered throughout the core.: Λ; iHriri: Chondrites-type burrows are common-Ar^Hi in Section 8 and the CC. Incipient

• ^ r i r i r i r : o DOLOMITE is observed in Section 1,3_'i1:"_~_~ 4-7 cm. Pteropod fragments are

; JL|: X r i H : observed on the split core surface at- Λ; _-_-_-J N various levels in the core. Cracks and

~JiJ•'••zzzzzir. > 5 ( ^ Y voids related to gas expansion areI "i* innr: — ^ 4/1 common and are scattered throughout

4— I"J•"I; Z ^ r ™ : ~~ all sections.

^÷•: -------_ g J —

JΛJ-I-I-TH 6 | 5GY^ - _ - _ - _ - 5 4/1

: V . ------ >< Toa_V:------ -® 5GY

: K I-I-I-J — ^ w 6/1

II J

3

g SITE 1002 HOLE E CORE 9H CORED 68.3-77.8 mbsf

ran i•ei ® i . i 1& Graphic ~ CD 9- °.5 Lith α> < Structure w j= o Description

: " I-I-I-I: 5 NANNOFOSSIL SILTY CLAY

.*£-*: i n n r : 5 5Y General Description:- Λ! rirlH: ^ ^ ^ This core consists of very dark gray to

1_ /i >_-_-_: 5 gray (5Y 3/1 to 5Y 5/1), olive gray (5Y: A L -~-~-~-^ 5 5/2 to 5Y 4/2), greenish gray (5GY 5/1' J j.J•'"-~J•J: _ 5 i5 w to 5GY 6/1), and dark greenish gray

- |jjj: I-I-^-I- 5 (5GY 4/1) NANNOFOSSIL SILTYI /i .-_-_-J 5 5Y CLAY. Sediments are predominantly

2— V• "iHHr: ^ T massive and slightly bioturbated, with-'-J-.znrî 2 ^ 5Y distinct mm-scale laminations in- Λ! ririrll ^ 5/2 Section 3, 34-45 cm, and very faint

~/•j jnrLn: $ laminations in Section 3,80-83 cm,: V•'£ririr: ^ w and from Section 3, 130 cm through

3_ v ! " _ - _ - — 5 Section 4, 21 cm. Faint to moderately" Λ ! ^~üzrzz ^ well-developed laminations (mm- to- •ji ~-TLT— ZZ sub-cm-scale) are observed in Section

~V•"^HHH ~ 5 iî 5, 142 cm through Section 7, 61 cm.iV i i r ^n r : 3 ^ j \ ] Chondrites-type burrows are visible in

" -L- iHHH: ^ 5GY Section 3, 105-120 cm. Pteropod- J^J; r i n n : 5 6/1 fragments are observed on the split^•zriîz_ w core surface at various levels in the

- -V: ~-TJr^z Φ = core. Cracks and voids related to gas: JJLJ; ~ ~ • g expansion are scattered throughout

5_/innri: g ^ 5GY the core.:V-•-I-I-I- 4 » >< 5/1

- £-_-_-_- ^ J ^ 5GY-V-.------:: I * W 4/1

7 _Λ; I-I-I-I j j»

:/iI-£riH:_ = W

^S:- I- I- I = 5Y: j•>•-I-I-I- 6 = 4/2

-^•~-I-I-H = W

v^-I-I-I-~ l_ij>ji-i-i-irη = ^ l I I I

SITE 1002 HOLE E CORE 10H CORED 77.8-87.3 mbsf~~π ~T~sl I •gi i> I ~S Graphic •° to => p- o•ë Lith cu < Structure « § o Description

' co o $ <->I^•C- I - I - I : = $ NANNOFOSSIL SILTY CLAY

v•-I-I-I- = *- ' j . 1; znnr: $ General Description:•1-*-1- r i H r i : ^ 5 -^ ^n 's c o r e consists of dark greenish

1—Λ; r ^ n m $ gray to greenish gray (5GY 5/1 to 5GYri.- :---[>-- $ 5GY 4/1), olive gray (5Y 5/2 to 5Y 4/2), andIV•" -_-_-_-: $ W 4 / 1 dark gray (5Y 4/1) NANNOFOSSIL

~^HHH;"" ^ T? SILTY CLAY. Sediments are: ^ - ~ - ~ - ~ - 5 Vî predominantly massive and slightly

^-•iÊHHH ^ bioturbated. Faint, bioturbatedI1/!"-"-"-" 2 ^ laminations (mm-to sub-cm-scale) are/i riHri: I observed in Section 1,0-35 cm, while

- ΛC ~.rzr-— \ faint intermittent laminations, not" i ^ •iririr: ^ W obviously bioturbated, are seen in

3 - V ! •î-ir: — Sections 2, 3, 4, 5, and 6. Coring- / i 3£Hr^ = disturbance in Sections 4,5, and 6 hasij^rinn: I distorted the laminations. Pteropod

~ J-J"J• "iHHr: = fragments are observed on the split- " i 1 : •înr: 3 5 <^y core surface at various levels in the

^ J j îHπn: c = = core. Cracks and voids related to gas" i±i; L T ^ I Π ; g ) expansion are scattered throughout^-ji—^r^•- o ? yy Sections 2 and 5.

— i j." j m j T j — <Q ^ ^ ^ ^ —- j _ . -<JJ _ _

zV: ------ E = 5GY5 _ Λ • H H H : ~~ 4/1

-¥=I-I-I-^ > 5Y- α. j." 5 c/2

§ _ i. j.• £H!HH —

- Λ .-_-_-J — 4/1

T ^ E ÷ > i N 1 = ? 1 I 1 I

22 SITE 1002 H O L E E C O R E 11H CORED 87.3-96.8 mbsf

° rπ πsi i i•ei ® i π£ Graphic ~ <u ^ 9- °•i Lith S < Structure .22 § o Description^ CO Q Ü)

u

-"f^irp \ NANNOFOSSIL SILTY CLAY

. V: innr: 1 $ General Description:Λ: ~m: ^ This core consists of olive gray (5Y 5/2

^ - ^ • i H H H — * •*5 to 5Y 4/2), dark olive gray (5Y 3/2),: A : OZHr- light olive gray (5Y 6/2), and gray (5Y: ••>;-_-_-_T = 5Y 5/1) NANNOFOSSIL SILTY CLAY.- ^ i I-_-I-J $ 4/2 Sediments are predominantly massive- S~± innrL: 2 ^ T° and slightly bioturbated. Faint cm-

2— •EHHH 5 ^ scale color banding/layering is\à•.-.rjrjr. \ 3/2 observed in Section 2, 0-25 cm, andi• i i H r i r i : \ faint mm-scale laminations are

~ i fx —-T-T—— W observed in Section 3, 0-87 cm; and in: " i ^ • iHriH = t n e CC, 0-26 cm. Pteropod fragments

3_ <£-m -jr^zsz are observed on the split core surface: / i riHrü — a t various levels in the core. Cracks;i.

J•J.• -"_-_-_: ^ and voids related to gas expansion are- *£-"- • iHHr: > scattered throughout the core. SectionI \£ zr^sz I 5Y 1 Was taken from the expanded

s— V : j£HHi ? W 6^2 material at the top of the core liner.

i÷-----H j

5 : v- -_-_-_- 4 J 5/2

-Λ.- ------- 8 ^

:Λ:.-_-_-_ O 5 w

fi IV:------ E J 4/2

^ •EHHH 5 J - 5 Z L -

7 : Λ >_-_" \ 16

- K -1-1-3 — \ w:->•-I-I-IH J

_ g :-----d ^V-.------- 6 >

Λ H H I ~ 5 Y

•^:-I-I-: 7 ?

m l = = i = E l - I ^ w

jA------J 8 \ ^ 5YΛ.--------_ _ 4/2

:|v•h-----H|cq = 1 I 1

SITE 1002 HOLE E CORE 12H CORED 96.8-106.3 mbsf

& Graphic £ α> ^ Q- o-i Lith α> <? Structure I | o Description

~ V^TvT-T-7 X "~ ~~~ ~ NANNOFOSSIL SILTY CLAY and

1WM j ‰ Y CLAY

: v/lvlvvlv > 5Y General Description:1_ v.v.v.v.v." 2 I g,_ This core consists of dark gray (5Y

: ΛVΛVΛVΛ > 4/1), olive gray (5Y 5/2 to 5Y 4/2),:.-.-.-.-.-.-.-.-.-.-. 5 olive (5Y 4/3), greenish gray (5GY

- .v.v.v.v.v. I w 5/1)] a n d d a r k greenish gray (5GY 4/1): VΛVΛV>IV ~~ 5 NANNOFOSSIL SILTY CLAY; and

2_ '----"--" $ 10YR greenish gray (5GY 6/1), light olive:.-.-.-.-.-.-.-.-.-.-. 5 6/3 gray (5Y 6/2), pale brown (10YR 6/3),- -ΛVΛVΛV!- 3 ^ and light gray (N7) CLAY. Section 1

~ ".v.v.v.v.v I was taken from the expanded material: [vlvlvlvlvi ~ a t t n e t0P ° f t n e c o r e ^ner• I* is

3_ .v.v.v.v.v. > disturbed, and there may be a coringI-'-'-"-"-'-'-"-"-"-— w gap between the NANNOFOSSIL:-.-.-/.-.-.-.-.-.-.- L SILTY CLAY and CLAY, as no

~ iv/lvlvlvl"! transition is seen between the two: .v.v.v.v.v. lithologies at the top of Section 2.

4_ ^Vriririz 4 > Sediments are predominantly massive^y^--r— > D and slightly bioturbated. Mm-scale^ ^rirzrz I color banding is observed in Section 4,

"vi-_-_" W 22-61 cm. Faint to well-developed: V : 3iHr£} <u = TjL l a m i n a t i o n ( m m • t 0 sub-cm-scale) is

S - L - ^ - X T Z Π : 5 = j 0 observed in Section 4,61-74 cm;V • • ^ H r 2 5Y Section 5,0-131 cm; and Section 6,

l•i i•zrvir: 5 •| = 4/2 10-100 cm. Disseminated DOLOMITE- Uj-~ "~iHH: ÖL : = is present in Section 4, 95-102 cm.1 /i ."_VJ = From Section 6, 100 cm through to the

^― V•" -OrOEr. >~ I 3 3 8 6 o f t n e c o r e ' f | o w - i n n a s severely- J i J : •^ir^r i — w disrupted the sedimentary fabric.: 1"J-J• r i r i H ; = Cracks and voids related to gas

~. / i .-_VJ = 5GY expansion are scattered throughout: V• "iriHr: = 4 ^ 1 t n e c o r e • T n e w n o | e round samples

7_ ^ "inr^ri 6 J ° from Sections 3 through 6 were taken: ‰J^• !HHH; > c/i f r o m expanded material at Section 3,: i _-_r_-_: | 150-153 cm; Section 4, 155-158 cm;

~. A : •ij£Hr: > W Section 5, 154-157 cm; and Section 6,: " • r irtr^r: > 150-153 cm. The remaining expanded

S- /i iririri; > material was boxed separately.

9_ Λ rC-Irü I 5GY^-I-I-I-:— I W 5/1

; 1- nru: CC

2S SITE 1002 HOLE E CORE 13H CORED 106.3-115.8 mbsf

π \W1 le i m I ^ I 1S Graphic co zs α- o•5 Lith ® < Structure S § ° Description• 2 CO O oj

: " I-I-iri: NANNOFOSSIL SILTY CLAY

- L i J : " _ - _ " _ " : — General Description:: " "-iriH: $ T h i s c o r e consists of dark gray (5Y

1_ >i I"-" 3 4/1), olive gray (5Y 4/2), dark olive: ù^ ™ j ^ 5 gray (5Y 3/2), and greenish gray (5GYI •i* -jr.": 2 ^ 5Y 6/1 to 5GY 5/1) NANNOFOSSIL

~ / i > I - £H2 ^ 5/1 SILTY CLAY. Sediments arel i± i i zznn : 3 To predominantly massive and slightly

i.c^-j-j-jj $ W 5Y bioturbated. Faint laminations are> ^ - J - . ~ J : ^ 4/2 visible across several intervals in^^zrOrü $ Sections5 and 6. Pteropodfragments

~^x^--r^T— $ are observed on the split core surface: i^x £ H H r i 3 ^ a t various levels in the core. Cracks

Lvi-"-" £ and voids related to gas expansion are: ^ • ^ tHr i j ^ scattered throughout the core. Section- Λ! Hr^n; ^ 1 was taken from the expanded

~ i^±. O i r i r : — ^ W material at the top of the core liner, butI "i* inrzr: 2 does not appear to be disturbed. The

4— I"J•J• i H π H ; ^ ^ whole round samples from Sections 5,: Λ I-_VJ ^ 4/2 6, and 7 were taken from expanded:V•'-irEHr: 4 ^ & T v material in the interval 150-153 cm.

l ^ • _-_-_-.: ^ 3 / 2

5_^:-i-i-d g 5 w:Λ: ------- ~ 8 ^

L • * j ; . " _ " _ " o

"^=I=I=I= | I 5 5GY- : V : •^inr: => 6/1

^>:-i-i-i-i _ ^ w

7-v!------- j: V: ------- = 5Y>il-I-I-I: 6 3/2

^ ^ : | | | - | w

:Λ!T_-_-J; > 3/2

„-A: ------- 7 To9-Λ:------- 5Y

: •i* -I-I-I-: > 4/1- Λ £ ^ J E : _ ^ w

-A: J 5Y: Λ ^HH:- J 3/2

SITE 1002 HOLE E CORE 14X CORED 115.8-125.4 mbsf

3 Graphic £ * 9- °•i Lith Φ < Structure « § o Description

' CO Q $ <->

: " iHrri: NANNOFOSSIL SILTY CLAY

- ^-m •_-_~_•: = General Description:-'~•^~-÷rzrü 1 ~ I This core consists of dark olive gray

1_ Λ >_--£}-" = (5Y 3/2), olive gray (5Y 4/3 to 5Y 5/2),: •àiJ• " i r i r i r : > greenish gray (5GY 5/1), and dark" ' " _ " 5 VV greenish gray (5GY 4/1)~ii~Ez=zl~ I 5Y NANNOFOSSIL SILTY CLAY. Non-it i irinn; ^ 3/2 laminated sediments are massive and

^– V • zr iHr : ? slightly bioturbated. Faint laminations- ^ ~jrjr-π o I are observed in Sections 1, 3, and 5;: j ^ riHrü ? a n c well-laminated sediments are. A; rinn: s observed in the upper 20 cm of• ^ ^ H H r : c _ ... Section 3. The sediments are

1 - V : •^ in r r o =1 laminated/banded (mm- to sub-cm-: JJLJ: J £ H H I •§ = scale) throughout most of Section 4,: / i . - _ - _ " 3 1 > but are clearly disturbed by

~V• • iHHr : °- — j& 5 Y bioturbation. Small pteropod>j.- i i n n r : = VV ^ fragments and foraminifers are

^― t•*i H H r i : 1— observed on the split core surface at- jf•j: —S~JTJ: = 1 ^ i various levels in the core. Cracks andV• "inrir: ® = ^ 5 G Y voids related to gas expansion are

- "i* rπnr: 4 — ^ 4/1 scattered throughout the core.-V•: ------- _ ^ To

5_V:------ = j 5GY

= H-I-I->- 5 = 5Y

i f p E B N I I •81 I II

22 SITE 1002 HOLE E CORE 15X CORED 125.4-135.0 mbsfπrr~ i ci ΠÖI ^ i i

S Graphic ~ α> zs α. o2 Lith. α> < Structure .ü | o Description

= Λ J - - I - I ~ I : 1 $ NANNOFOSSIL SILTY CLAY

- V: zr^zr. General Description:Λ! rinn: $ This core consists of dark gray (5Y

1— ΛÚ £ H H T - 2 ^ 4 / 1 )> d a r k o l i v e 9 r a v (5Y 4 / 2 ) ' greenish- Λ -_-_-_- ^ 5 9 ; gray (5GY 5/1), and dark greenish

j V : ~-I-~-2 5 ^ gray (5GY 4/1) NANNOFOSSIL SILTY• JJ•J r i r E H ; — $ 5GY CLAY. Sediments are predominantly• " "iHHr• ^ 5/1 massive and slightly to moderately

― V1; i r i ^ r : ^ bioturbated, with several intervals of- 'j.-1 ~ H ~ 3 ^ faint to well-developed lamination.j Λ! ruin: ^ Well-indurated dolomite is found in a- Λ •£HKr- D layer between Section 3, 87-103 cm,:Viinrzr: = W and a DOLOMITE nodule was

3_ V : ^£}£3{] ~ Cn> ?? ^ recovered at the top of Section 4.: ΛJ rirzri: | Small pteropod fragments and

J "i* ™Hr" >> ^ foraminifers are observed on the split- *i^ i n ~ 4 " core surface at various levels in the: " ^ "-£HH: I c o r e R a r e c r a c k s and voids related to

4— Λ ; ~ J V ~ J ^ gas expansion are scattered^ •iriHr- 5 "^ W throughout the core. Sections 1 and 2

-"-/'-_-_-_-:— gj 5 were taken from material that- "•j* ^£3£}£] § ^ expanded out of the top of the core: c"i J I T E H ; 8 I barrel.

:÷:=i=E=:5 I 5

^-•v^•~~~ ^ 5Y:V•'------r-- > 4/1:-4------- To

I Λ H H H • 6 j 4/2

iv••-i-i-z-:- ?

->:-I-I-:H 8 I

IÉBΘP M i l l I

SITE 1002 HOLE E CORE 16X CORED 135.0-144.6 mbsf~ZT~ TsT~ I -gi .s> i ~

2 Graphic <u ^ 9- °.-§ Lith 0 «? Structure .22 § o Description

: i HHH: J_ ^ NANNOFOSSIL SILTY CLAY

- " j * zrtrzr: General Description:- "J-"1 ~r in: 2 5 This core consists of olive gray (5Y

1_ Λ iHriTp 4/2) NANNOFOSSIL SILTY CLAY.: J i α • "iririr" ? Sediments are massive and slightly- "£-. •^ inr : bioturbated. Cracks and voids related~^iriHri: ^ to gas expansion are scattered: Λ Jinn: \ throughout the core. Section 1 was

2— \^• r^riri^r: \ taken from the expanded material at- • j * ~-TJT-r. 3 \ the top of the core liner. In the CC, the: Λ: ririri: I O" 4 ^ c m interval is unoriented.

J V • • - I - I - I - - 8 $ 5Y-V:--iri-- « j 4/2

JΛ;:-I-X J= Vi-I-I™ | W

i>ii-i-i-i- jΛ ------- J

" V; tHHij 7 $

– E• I-I-I-I _ I w:^C-I-IH $-^i i-i-z-i cc I ^

fefe-I-I-j 1 1 I I I I 1

00

22 SITE 1002 HOLE E CORE 17X CORED 144.6-154.3 mbsf>- ~Sl I -θ| 7ü I£ Graphic ~ cu 3 α. o^ Lith. cá < Structure .« E o Description

: " IKrzH; NANNOFOSSIL SILTY CLAY

- Y " - " - " General Description:: / i "~iHri: — This core consists of dark olive gray

* - £ -IHHr1 (5Y 3/2)> o l i v e 9ray (5Y 4 / 2 ) ' a n d

^/—j-J „ greenish gray (5GY 5/1)^ V : ^£HH: ^ NANNOFOSSIL SILTY CLAY,~/iirinn: ^ Sediments are predominantly massive" '-''"•* "EHHr— ^ and slightly bioturbated. Two intervals

^― V : ^rznr: \ of faintly laminated sediment are^ "-£riri: ^ observed, one from Section 1, 0 cm to

: Λ -"-"-~- I 5 Y Section 2, 51 cm, and the other in- J: ^ ^ • 3 I 4 / 2 Section 7, 0-25 cm. A semi-indurated'-J-.-jr^--iz \ layer of DOLOMITE is present at

"^– t j ^ " T H H : ^ Section 7,55-59 cm. Rare pteropod- JJ|J r i n H ! \ W fragments are observed on the split^Λ.VJ•J ^ core surface at various levels in the

~•V- "iriri?: ^ core. Cracks and voids related to gas>,.-*: "ir^rir: ^ expansion are scattered throughout

4— u: i r O i r i : 4 <D \ the core. Sections 1 and 2 were taken" ^ • t H ü r • ® ^ from the expanded material at the top- ij -_-_-_-- o ^ of the core liner, but appear to beI^HHrd 1 * w undisturbed.

- ^ b - I - I ^ δ I 5GY=v! -_-_-_- I 5/1

- _i_. ^ ^ ^ – . j i

7 :Λ;:-I-I-3 3/2

>4:-_-_-_ ^ 5YjiV••-I-I-I-: ^ 4 / 2

Si E£Hrd_ ^ Wa_ v j HHH• —

i÷-I-I- IH 7 I 5GY->t•I-I-I-I:— ^ D 5/1

SITE 1002 HOLE E CORE 18X CORED 154.3-164.0 mbsf

B Graphic •° α> = 9- .2•5 Lith cá < Structure .<2 | o Description

it• i• _-_-_— $ ^ NANNOFOSSIL SILTY CLAY

~ • V i z n n r : $ General Description:^"" i "~iHH: ^ ^ ^ ^ ^ "*"n's c o r e consists of greenish gray to

i—^i IT_-_— ^ 5 / 1 dark greenish gray (5GY 5/1 to 5GY:.Λ:-~-~-~-^ 3 -& 4/1) NANNOFOSSIL SILTY CLAY.- *-j?-. -JT-T-T. $ \J\J Sediments are massive and slightly- ij*i iririrE] ^ ~~ bioturbated. A hard, well-indurated: Λ J "-_-_— 5 nodule of DOLOMITE at the base of

2— "•"1"-* •iriHr: ^ t n e ^ C limited penetration and marks- * u ^ " _ " _ " o ^ ^ e ^ a s e ° t n ' s n o ' e • Pteropod: Λ rinrE: ^ 5 fragments are observed on the split

" / • J I . - - ~ J $ core surface at various levels in the: cjx -iHHH ^ w core. Rare cracks and voids related to

3_ ^ ZΠTLΠ ^ gas expansion are present within the: 'jf; --Tiπr. $ core.

:÷:I-I-IH3 5 ^^ - t • ^ - - - - - - Φ ^ 5 G Y

-V---" B I W" y — - - j : — .£ >- JLJ: .Φ >

– ¥-1-1-1- ^

: Λ ; :-_-_—5 ^

ÈI-I-I-I ^_V: --_---:_ > W

• j . * - - - - - - - I 5GY-V:~---~-~ > 5/1

3-^1-1-1-2 6 ^

j^HHHHR ® 1 | I

22 Ext ruded/expanded material f rom the ends of some core sect ions f rom Site 1002were split and descr ibed at the shore-based sample party held at the GCR in Co l -lege Stat ion. The sect ions are g iven the identif ier EXT. The ext ruded sect ions are:

Hole, core, sect ion, interval (cm) Hole, core, sect ion, interval (cm)

165-1002C-3H-3-EXT, 150-153 165-1002C-15H-5-EXT, 150-153

165-1002C-3H-5-EXT, 150-153 165-1002C-17H-1 -EXT, 150-158

165-1002C-4H-2-EXT, 150-153 165-1002C-17H-2-EXT, 150-156

165-1002C-4H-3-EXT, 150-153 165-1002C-17H-3-EXT, 150-158

165-1002C-4H-4-EXT, -3 to 0 165-1002D-4H-2-EXT, 150-153

165-1002C-4H-4-EXT, 150-161 165-1002D-4H-5-EXT, 150-153

165-1002C-4H-5-EXT, 150-153 165-1002D-4H-6-EXT, 150-153

165-1002C-5H-1 -EXT, 150-154 165-1002D-5H-1 -EXT, 150-153

165-1002C-5H-3-EXT, 150-157 165-1002D-5H-3-EXT, 150-156

165-1002C-6H-6-EXT, 150-155 165-1002D-5H-4-EXT, 150-153

165-1002C-7H-4-EXT, 150-157 165-1002D-5H-5-EXT, 150-153

165-1002C-7H-5-EXT, 150-155 165-1002D-5H-7-EXT, 80-89

165-1002C-7H-6-EXT, 150-159 165-1002D-8H-5-EXT, 150-153

165-1002C-8H-5-EXT, 150-153 165-1002D-8H-8-EXT, 89-96

165-1002C-10H-4-EXT, 150-155 165-1002D-9H-8-EXT, 83-91

165-1002C-10H-5-EXT, 150-157 165-1002D-10H-4-EXT, 150-155

165-1002C-11H-3-EXT, 150-155 165-1002D-10H-5-EXT, 150-159

165-1002C-11H-4-EXT, 150-170 165-1002D-11H-6-EXT, 150-156

165-1002C-11H-5-EXT, 150-161 165-1002D-12H-5-EXT, 150-157

165-1002C-11H-6-EXT, 150-153 165-1002D-12H-8-EXT, 86-92

165-1002C-12H-5-EXT, 150-156 165-1002E-12H-3-EXT, 153-159

165-1002C-14H-4-EXT, 150-157 165-1002E-12H-4-EXT, 155-158

165-1002C-14H-5-EXT, 150-159 165-1002E-12H-5-EXT, 150-154

165-1002C-14H-6-EXT, 150-158

SITE 1002 HOLE A CORE 1H CORED 0.0-9.5 mbsf ~ZT I cl 1121 ]ü … · 2007. 2. 8. · SITE 1002 HOLE...

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Transcript of SITE 1002 HOLE A CORE 1H CORED 0.0-9.5 mbsf ~ZT I cl 1121 ]ü … · 2007. 2. 8. · SITE 1002 HOLE...