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Subduction-accretion-collision history along the Gondwana suture in southern India: A laser ablation ICP-MS study of zircon chronology

Sato, Kei; Santosh, M.; Tsunogae, T; Chetty, T.R.K.; Hirata, Takafumi

Description

We report the petrological characteristics and preliminary zircon geochronology based on laser ablation ICP mass spectrometry of the various units in an accretionary belt within the Palghat-Cauvery Shear/Suture Zone in southern India, a trace of the Cambrian Gondwana suture. Zircons extracted from a plagiogranite in association with an ophiolite suite within this suture possess internal structure that suggests magmatic crystallization, and yield mid Neoproterozoic206Pb/238U age of 817±16Ma...[Show more]

CollectionsANU Research Publications
Date published: 2011
Type: Journal article
URI: http://hdl.handle.net/1885/65253
Source: Journal of Asian Earth Sciences
DOI: 10.1016/j.jseaes.2010.08.008

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