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Southeast Asia reconstruction with a non-rotating Cenozoic Borneo

A reconstruction of Southeast Asia has been attempted which treats the Sunda block and the Philippine Sea Plate as (relatively) rigid blocks between 50 Ma and 15 Ma. The published reconstructions of Robert Hall (1996 version) have been utilized but modified from Borneo westwards in accordance with g...

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Tác giả chính: Murphy, Richard W.
Định dạng: Bài viết
Ngôn ngữ:English
Được phát hành: Geological Society of Malaysia 1998
Truy cập trực tuyến:http://myagric.upm.edu.my/id/eprint/22595/1/702001-100854-PDF.pdf
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id oai:myagric.upm.edu.my:22595
record_format eprints
spelling oai:myagric.upm.edu.my:22595 http://myagric.upm.edu.my/id/eprint/22595/ Southeast Asia reconstruction with a non-rotating Cenozoic Borneo Murphy, Richard W. A reconstruction of Southeast Asia has been attempted which treats the Sunda block and the Philippine Sea Plate as (relatively) rigid blocks between 50 Ma and 15 Ma. The published reconstructions of Robert Hall (1996 version) have been utilized but modified from Borneo westwards in accordance with geological perceptions and prejudices assembled over thirty-six years of studying the region. Sunda and the Philippine Sea are treated as rigid blocks that have not undergone disruptive internal deformation. In the case of Sunda, this means that Tertiary rift basins have formed but that there has been no oceanic crust developed except in the Andaman Sea on the west and the South China Sea on the east. In this interpretation Indochina has been extruded about 700 km between 35 Ma and 15 Ma (maps are shown at five-Ma intervals, following Hall). Right-lateral movement along the Sumatra Fault/ Andaman/Sagaing system is paired with left-lateral movement along the Red River Fault and its precursor, the West Baram Line. The Philippine Sea Plate has moved great distances with an overall left-lateral displacement with respect to Sunda. Smaller blocks between Sunda and the Philippine Sea Plate with less control and with strong internal deformation have been treated in this reconstruction in a manner that accommodates the movements of the major blocks. Geological Society of Malaysia 1998-12 Article PeerReviewed text en http://myagric.upm.edu.my/id/eprint/22595/1/702001-100854-PDF.pdf Murphy, Richard W. (1998) Southeast Asia reconstruction with a non-rotating Cenozoic Borneo. Bulletin of the Geological Society of Malaysia, 42. pp. 85-94. ISSN 2637-109X https://gsm.org.my/wp-content/uploads/gsm_file_2/702001-100854-PDF.pdf
institution UPM MyAGRIC
collection UPM MyAGRIC
language English
description A reconstruction of Southeast Asia has been attempted which treats the Sunda block and the Philippine Sea Plate as (relatively) rigid blocks between 50 Ma and 15 Ma. The published reconstructions of Robert Hall (1996 version) have been utilized but modified from Borneo westwards in accordance with geological perceptions and prejudices assembled over thirty-six years of studying the region. Sunda and the Philippine Sea are treated as rigid blocks that have not undergone disruptive internal deformation. In the case of Sunda, this means that Tertiary rift basins have formed but that there has been no oceanic crust developed except in the Andaman Sea on the west and the South China Sea on the east. In this interpretation Indochina has been extruded about 700 km between 35 Ma and 15 Ma (maps are shown at five-Ma intervals, following Hall). Right-lateral movement along the Sumatra Fault/ Andaman/Sagaing system is paired with left-lateral movement along the Red River Fault and its precursor, the West Baram Line. The Philippine Sea Plate has moved great distances with an overall left-lateral displacement with respect to Sunda. Smaller blocks between Sunda and the Philippine Sea Plate with less control and with strong internal deformation have been treated in this reconstruction in a manner that accommodates the movements of the major blocks.
format Article
author Murphy, Richard W.
spellingShingle Murphy, Richard W.
Southeast Asia reconstruction with a non-rotating Cenozoic Borneo
author_facet Murphy, Richard W.
author_sort Murphy, Richard W.
title Southeast Asia reconstruction with a non-rotating Cenozoic Borneo
title_short Southeast Asia reconstruction with a non-rotating Cenozoic Borneo
title_full Southeast Asia reconstruction with a non-rotating Cenozoic Borneo
title_fullStr Southeast Asia reconstruction with a non-rotating Cenozoic Borneo
title_full_unstemmed Southeast Asia reconstruction with a non-rotating Cenozoic Borneo
title_sort southeast asia reconstruction with a non-rotating cenozoic borneo
publisher Geological Society of Malaysia
publishDate 1998
url http://myagric.upm.edu.my/id/eprint/22595/1/702001-100854-PDF.pdf
_version_ 1819305594590330880
score 13.4562235

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