Paleomagnetism of Early Tertiary volcanics in the South Shetland Islands and its tectonic implications

ADVANCES IN POLAR SCIENCE ›› 1995, Vol. 6 ›› Issue (2-English): 18-29.

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Paleomagnetism of Early Tertiary volcanics in the South Shetland Islands and its tectonic implications

Liu Jian, Ge Tongming, Duan Weiwu and Wu Nengyou

Guangzhou Marine Geological Survey, Ministry of Geology and Mineral Resources, Guangzhou 510760, China

Online:1945-06-30 Published:1945-06-30
Contact: Liu Jian
Supported by:
This project was supported by the State Antarctic Committee of China.

Abstract

Abstract:

A total of 334 oriented volcanic samples of Early Tertiary were collected for a paleomagnetic study from 43 sampling sites in the South Shetland Islands,Antarctica.Paleomagnetic study indicates that the South Shetland Islands and Antarctic Peninsula were situated in or close to their present position in Early Tertiary. Furthermore, it is also suggested that a counterclockwise rotation about 15 degrees related to the relative movement between South America and Antarctica took place in north of Antarctic Peninsula since Paleocene.

Key words: South Shetland Island, Early Tertiary, volcanics, paleomagnetism

Liu Jian, Ge Tongming, Duan Weiwu, Wu Nengyou. Paleomagnetism of Early Tertiary volcanics in the South Shetland Islands and its tectonic implications[J]. ADVANCES IN POLAR SCIENCE, 1995, 6(2-English): 18-29.

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Paleomagnetism of Early Tertiary volcanics in the South Shetland Islands and its tectonic implications

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