Geo Dynamic
-
Author
melvin5656 -
Category
Documents
-
view
21 -
download
0
Embed Size (px)
description
Transcript of Geo Dynamic
-
1
1
1.1 (Geodynamics) (Structural Geology) - , . . - . - - -, - , . - , . "" - 75 . "" 50-150 . , - , -
, . , - . , . (Geodynamics, ectonics) (Structural Geology) - - . - - Structural Geology, - . - Tectonics Geodynamics, .
-
2
. - , . . - - . -, , , , - , -, , - . , - , - , - . -
. - (. 1.1). (Tectonics Geo-dynamics), - , (Structural Geology), - . , - - . - 60. . -, - . , . (. 1.2). , -
1.1 - . ( Tectonics), ( - ), .
1.2 - -, - -, -.
-
3
- . - , -, , - . , - . - (. 1.2, - ). , -, -. - - .
1.2 - , , - , , , (. 1.3). -, , . - - . - 1909 Mohorovicic. - - . -
1.3 - . - - , . - , , - ( - -).
-
4
3,3, 5,2. , 3,3 Mohorovicic Moho.
35 , . 70 80 , (continental rifts) , , , (. 1.4).
, , . - -, - , . 2,8. "" , - ( ), . Conrad, , - 2,8 3,1. . , -
, - , , , -.
, - . - , 7 -, 5 - . - .
60% SiC2, 50%. , ( 1), - (. 1.5). , - , , 2 . - 500 . , . , - . ( 2), (pillow-lavas) , - .
1.4 .
-
5
2 - . , , , - . . ( 2), , ( ), 3. , . - 60% . - , -, , - . , , - (subduction).
- , - , ,
(. 1.6). , Moho - - . - ,
1.5 .
1.6 - .
-
6
. , - , - . . - , (rifting), , - - . - , - .
- , . - - kilobar, ' . , -, 100 (. 1.1). , , , - bar. ,
. , - ' 100 . - , - , - ' , - ' ( -), (. 1.7). (.. , ), (.. , ), - , - - (. 1.8). -, , - , . - , . - , . ( S) , 100-300 . -
1.7 , , , ' , ' ( ), .
-
7
- , 100 , . . 75-100 . , 1100C . -, - .
, - 100 350 km . , ( 1%), , S , (. 1.9). "-" -, , , - ( convection, ), . (-, , ),
1.8 - . - (-, , .), . (, - .), - .
1.9 , - . , 250 km, - -. , - - .
-
8
, -. -. Moho, - 10 -. 8,1 km/sec ( ) 3,3. - . - , 10 , 7,8-7,9 km/sec. - (8,2 km/sec), -. (), - , - . , , ,
. 40-50 , 1%. , - - , 10 , , - . - , , - - . ' - , - (), - . ,
1.10 ( ) ( ). . - . - , .
-
9
, - . 1.10 , - . , .. , . - , - . 1.3 - , - , - - . . , - , - (. 1.11). 300 4.800 . -
2.000 3.000 . - - -, . - , , , .
- ( ), . , - : , "" "". "-" - . - , .. - . " ", . . , - . - :
1.11 - . - % - . - .
-
10
. - , 70-80 - . , 0-130 180 (. 1.12). , - .
. 200 3.000 4.000 5.000 10.000 . 40-50, - , 20 - (. 1.12). - (canyons), . . - . (1% 1,5%, 4.000-5.000 ) , . , . (.. ) - . , 70-100 . -
- (.. Tonga 10 km, - 11 km). - .
- , , . , , - , , -, . , , - , . , -, - - ( ). , - - , , - . , - , , .
1.12 . - .
-
11
, - , - . , 70.000 . , 5.000 2.500 . . ( ), - 30 , . - , "-". , - "". - , , - , . , , -
. , -. -. . - , , .
, , . - , . - - , , (. 1.13). ,
1.13 , .
-
12
, , , -, - - . , . - , , .
- (. 1.14), - (divergent boundaries), - , (conver-gent or consuming boundaries), - (subduction zones), , - , - , - , , (con-servative boundaries) - (transform fault boundaries), , .
- , , - , . 1.15, 190 m.y., - 4% . , , -
. - , 96% , - , - - . , , - , . , , -, . ,
1.14 .
-
13
. , - -
- , - - -. , - .
, - - -. , -
, . -, - . - , , . - - . , (-), , - - . - , . , , .
-, . - . , - - . - , , . , - . -, -
1.15 - , - .
1.16 - - , - , - - - .
-
14
. - , - , - , . , , , - . - .
. , , , - , . , -. - - , - -
, . - , , . , , - -, , - . , , - . - - , - . 1.16, , - , , ( , .). - , - .
/ColorImageDict > /JPEG2000ColorACSImageDict > /JPEG2000ColorImageDict > /AntiAliasGrayImages false /DownsampleGrayImages true /GrayImageDownsampleType /Bicubic /GrayImageResolution 300 /GrayImageDepth -1 /GrayImageDownsampleThreshold 1.50000 /EncodeGrayImages true /GrayImageFilter /DCTEncode /AutoFilterGrayImages true /GrayImageAutoFilterStrategy /JPEG /GrayACSImageDict > /GrayImageDict > /JPEG2000GrayACSImageDict > /JPEG2000GrayImageDict > /AntiAliasMonoImages false /DownsampleMonoImages true /MonoImageDownsampleType /Bicubic /MonoImageResolution 1200 /MonoImageDepth -1 /MonoImageDownsampleThreshold 1.50000 /EncodeMonoImages true /MonoImageFilter /CCITTFaxEncode /MonoImageDict > /AllowPSXObjects false /PDFX1aCheck false /PDFX3Check false /PDFXCompliantPDFOnly false /PDFXNoTrimBoxError true /PDFXTrimBoxToMediaBoxOffset [ 0.00000 0.00000 0.00000 0.00000 ] /PDFXSetBleedBoxToMediaBox true /PDFXBleedBoxToTrimBoxOffset [ 0.00000 0.00000 0.00000 0.00000 ] /PDFXOutputIntentProfile () /PDFXOutputCondition () /PDFXRegistryName (http://www.color.org) /PDFXTrapped /Unknown
/Description >>> setdistillerparams> setpagedevice