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(Article of periodic en Anglais - 1979)

Document title

The India Eurasia suture zone in northern Pakistan: synthesis and interpretation of recent data at plate scale

Authors(s) and Affiliation(s)

KHAN TAHIRKHELI R. A. ; MATTAUER M. ; PROUST F. ; TAPPONNIER P. ;

Abstract

An overall interpretation of the structure of the Kohistan Himalaya is presented: the "Kohistan sequence" (30,000km of amphibolites, metagabbros and associated volcanics) may be the crust of an ancient calcalkaline Island arc. During the suturing between India and Asia, this oceanic sequence was obducted on to the Paleozoic cover of the Indian shield, along a large overthrust (Main Mantle Thrust). Deformation during this event was chiefly crustal simple shear as attested by the flattly dipping foliation and the North-South stretching lineation ("a" lineation) in the rocks. High pressure metamorphism also affected the deformed rocks at places along M. M. T. Late folds, such as the large Nanga-Parbat anticline, make the present geometry more complex. (The AA).

Source

Article of periodic

published at : Mission scientifique en Afghanistan. Bulletin de liaison Kaboul

Editor :

Millesime : 1979, no8  [13 pages]

Bibliographic references : 40réf.

Language

Anglais

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