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Pulsed emplacement of the Mount Kinabalu granite, northern Borneo

Cottam, Michael; Hall, R.; Sperber, C.; Armstrong, Richard

Description

High-precision U-Pb ion microprobe analyses provide new constraints on the emplacement and origin of the Kinabalu granite in Sabah, northern Borneo. The granite is a sheeted laccolith-like body comprising dyke-fed granitic units that young downwards, each emplaced beneath the previous sheet. Analyses of concentric growth zones in zircons indicate crystallization between 7.85 ± 0.08 and 7.22 ± 0.07 Ma, and show that the entire pluton was emplaced and crystallized within less than 800 ka. Several...[Show more]

CollectionsANU Research Publications
Date published: 2010
Type: Journal article
URI: http://hdl.handle.net/1885/50020
Source: Journal of the Geological Society
DOI: 10.1144/0016-76492009-028

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