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Hot lherzolite exhumation, UHT migmatite formation, and acid volcanism driven by Miocene rollback of the Banda Arc, eastern Indonesia

Pownall, Jonathan M.; Hall, Robert; Armstrong, Richard


The northern Banda Arc, eastern Indonesia, exposes upper mantle/lower crustal complexes comprising lherzolites and granulite facies migmatites of the 'Kobipoto Complex'. Residual garnet–sillimanite granulites, which contain spinel + quartz inclusions within garnet, experienced ultrahigh-temperature (UHT; > 900˚C) conditions at 16 Ma due to heat supplied by lherzolites exhumed during slab rollback in the Banda Arc. Here, we present U–Pb zircon ages and new whole-rock geochemical analyses that...[Show more]

CollectionsANU Research Publications
Date published: 2017
Type: Journal article
Source: Gondwana Research
DOI: 10.1016/
Access Rights: Open Access


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