气候变化领域集成服务门户(CCPortal): The West Burma Terrane, a review of recent paleo-latitude data, its geological implications and constraints

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DOI	10.1016/j.earscirev.2021.103722
	The West Burma Terrane, a review of recent paleo-latitude data, its geological implications and constraints
	Morley C.K.; Chantraprasert S.; Kongchum J.; Chenoll K.
发表日期	2021
ISSN	00128252
卷号	220
英文摘要	Recent, high quality palaeomagnetic data from the West Burma Terrane (WBT) indicates rapid northwards translation (>2000 km) of the terrane, at about the velocity of the Indian Plate, from a near equatorial position in the Late Eocene until the present. This interpretation has important implications for: 1) the controversy over the configuration of Greater India prior to collision with Eurasia, 2) Cretaceous-Cenozoic plate restorations for the eastern Tethys and India Ocean, 3) when the terrane was rift from northern Gondwana, 4) the configuration of SE Asia at the end of the Indosinian orogeny, 5) understanding the general tectonic development and processes of oblique collision zones on the margins of unequal-size colliding continents. The palaeomagnetic data suggest coupling of the WBT with NE India and subsequent encounter of the WBT with SE Asia along a transform margin during the latest Eocene or Oligocene. Due to the significant implications of the palaeomagnetic model, it is important to test the implied development of the WBT against what is known of the regional geology. This study reviews the possible tectonic reconstructions for the Andaman Sea and proposes a configuration that minimises the problems with the testable geological observations. However, it remains difficult to justify the reconstruction with respect to the following aspects: 1) transform fault zone location in the Andaman Sea, 2) Andaman-Sumatra subduction zone evolution, 3) location of the Cretaceous-Eocene eastern boundary of the WBT, and 4) weak evidence for the loss of oceanic crust between the Burma Terrane and Sibumasu during Palaeocene-Eocene convergence. Consequently, there are considerable incompatibilities between geological data and the palaeomagnetic model. Substantial work is required to determine whether these incompatibilities reflect unidentified issues with the palaeomagnetic data, or deficiencies in our geological understanding. © 2021 Elsevier B.V.
关键词	Andaman Sea Cenozoic Himalayan orogeny Myanmar Palaeomagnetism Sagaing Fault Southeast Asia Subduction Transform margin West Burma Terrane
语种	英语
来源期刊	Earth Science Reviews
文献类型	期刊论文
条目标识符	http://gcip.llas.ac.cn/handle/2XKMVOVA/204100
作者单位	PTT Exploration and Production, 555 Vibhavadi Rangsit Road, Chatuchak, Bangkok, 10900, Thailand
推荐引用方式 GB/T 7714	Morley C.K.,Chantraprasert S.,Kongchum J.,et al. The West Burma Terrane, a review of recent paleo-latitude data, its geological implications and constraints[J],2021,220.
APA	Morley C.K.,Chantraprasert S.,Kongchum J.,&Chenoll K..(2021).The West Burma Terrane, a review of recent paleo-latitude data, its geological implications and constraints.Earth Science Reviews,220.
MLA	Morley C.K.,et al."The West Burma Terrane, a review of recent paleo-latitude data, its geological implications and constraints".Earth Science Reviews 220(2021).