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Ref ID: 28405
Ref Type: Journal Article
Authors: Metcalfe, I.
Irving, E.
Title: Allochthonous terrane processes in Southeast Asia [and discussion]
Date: 1990
Source: Philosophical Transactions of the Royal Society A: Mathematical, Physical, and Engineering Sciences
DOI: 10.1098/rsta.1990.0094
Abstract: Southeast Asia comprises a complex agglomeration of allochthonous terranes located at the zone of convergence between the Eurasian, Indo-Australian and Philippine Sea plates. The older continental `core' comprises four principal terranes, South China, Indochina, Sibumasu and East Malaya, derived from Gondwana-Land and assembled between the Carboniferous and the late Triassic. Other terranes (Mount Victoria Land, Sikuleh, Natal, Semitau and S. W. Borneo) were added to this `core' during the Jurassic and Cretaceous to form `Sundaland'. Eastern Southeast Asia (N. and E. Borneo, the Philippines and eastern Indonesia) comprises fragments rifted from the Australian and South China margins during the late Mesozoic and Cenozoic which, together with subduction complexes, island arcs and marginal seas, form a complex heterogeneous basement now largely covered by Cenozoic sediments. Strike-slip motions and complex rotations, due to subduction and rifting processes and the collisions of India with Eurasia and Australia with Southeast Asia, have further complicated the spatial distribution of these Southeast Asian terranes. A series of palinspastic maps showing the interpreted rift-drift-amalgamation-accretion history of Southeast Asia are presented.
Date Created: 2/14/2012
Volume: 331
Number: 1620
Page Start: 625
Page End: 640