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THE APPARENT POLAR WANDER PATHS FOR THE NORTH AND SOUTH CHINA BLOCKS (PALEOMAGNETISM).

紀錄類型:	書目-語言資料,手稿 : Monograph/item
正題名/作者:	THE APPARENT POLAR WANDER PATHS FOR THE NORTH AND SOUTH CHINA BLOCKS (PALEOMAGNETISM)./
作者:	LIN, JIN-LU.
面頁冊數:	1 online resource (264 pages)
附註:	Source: Dissertation Abstracts International, Volume: 45-10, Section: B, page: 3188.
標題:	Geology. -
電子資源:	click for full text (PQDT)

THE APPARENT POLAR WANDER PATHS FOR THE NORTH AND SOUTH CHINA BLOCKS (PALEOMAGNETISM).
LIN, JIN-LU.

THE APPARENT POLAR WANDER PATHS FOR THE NORTH AND SOUTH CHINA BLOCKS (PALEOMAGNETISM). - 1 online resource (264 pages)

Source: Dissertation Abstracts International, Volume: 45-10, Section: B, page: 3188.

Thesis (Ph.D.)--University of California, Santa Barbara, 1984.

Includes bibliographical references

This thesis presents preliminary Apparent Polar Wander (APW) paths for the North and South China Blocks (NCB and SCB). This work has enabled us to better understand the geological evolution of the two blocks, the tectonic development of the Asian continent, and to improve global paleogeographic reconstructions.

Electronic reproduction.
Ann Arbor, Mich. :
ProQuest,
2018

Mode of access: World Wide Web

Subjects--Topical Terms:

670379
Geology.
Index Terms--Genre/Form:

554714
Electronic books.

THE APPARENT POLAR WANDER PATHS FOR THE NORTH AND SOUTH CHINA BLOCKS (PALEOMAGNETISM).
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245 1 4 $a THE APPARENT POLAR WANDER PATHS FOR THE NORTH AND SOUTH CHINA BLOCKS (PALEOMAGNETISM).
264 0 $c 1984
300 $a 1 online resource (264 pages)
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500 $a Source: Dissertation Abstracts International, Volume: 45-10, Section: B, page: 3188.
502 $a Thesis (Ph.D.)--University of California, Santa Barbara, 1984.
504 $a Includes bibliographical references
520 $a This thesis presents preliminary Apparent Polar Wander (APW) paths for the North and South China Blocks (NCB and SCB). This work has enabled us to better understand the geological evolution of the two blocks, the tectonic development of the Asian continent, and to improve global paleogeographic reconstructions.
520 $a Altogether 3010 samples were collected from 430 sites. The sampling areas include Shandong, Shanxi and Liaoning provinces and Jixian County in the NCB, and Zhejiang, Guizhou, Yunnan and Hubei provinces in the SCB. The coverage is from the Tertiary back to the Middle Proterozoic in the NCB, and from the Tertiary back to the Late Proterozoic in the SCB. Rock types consist of both volcanic and sedimentary rocks. Most samples were collected from geologically well studied type sections. Magnetization measurements were carried on cryogenic and spinner magnetometers. Thermal and AF (alternating field) demagnetization methods were used to separate various characteristic directions.
520 $a A preliminary APW path for the NCB is obtained which includes the paleomagnetic poles of the Tertiary, Cretaceous, Jurassic, Triassic, Permian, Ordovician and Cambrian. Similarly, a preliminary APW path for the SCB is also obtained which includes the poles of the Tertiary, Cretaceous, Jurassic, Triassic, Permian, Carboniferous, Cambrian and Late Proterozoic.
520 $a The paleomagnetic pole positions from the NCB and SCB are not consistent with those from northern Eurasia in that the Chinese APW paths are seen to be displaced to the east relative to the northern Eurasia path. On the other hand, the APW paths for the South China block and northern Eurasia do resemble each other for their Mesozoic and Late Paleozoic segments, which can be reconciled by rotating the former 45 degrees clockwise about an Euler pole near the present north pole. This rotation brings the SCB westward to a place presently occupied by western India and Pakistan. Comparison of the paleolatitudes determined from the South China block with those deduced from the northern Eurasia path indicates that the eastward shift of South China APW path is not due to a local rotation. This paleomagnetic reconstruction suggests that when the Indian plate moved northward and collided with the Eurasian plate the SCB was pushed to the east by about 4300 (+OR-) 1600 km since the beginning of the Cenozoic. . . . (Author's abstract exceeds stipulated maximum length. Discontinued here with permission of author.) UMI.
533 $a Electronic reproduction. $b Ann Arbor, Mich. : $c ProQuest, $d 2018
538 $a Mode of access: World Wide Web
650 4 $a Geology. $3 670379
655 7 $a Electronic books. $2 local $3 554714
690 $a 0372
710 2 $a ProQuest Information and Learning Co. $3 1178819
710 2 $a University of California, Santa Barbara. $3 1187910
856 4 0 $u http://pqdd.sinica.edu.tw/twdaoapp/servlet/advanced?query=8428620 $z click for full text (PQDT)