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U-Pb geochronological constraints on the timing of episodic regional metamorphism and rapid high-T exhumation of the Grand Forks complex, British Columbia

Cubley, J.F.; Pattison, David RM; Tinkham, D.K.; Fanning, Christopher


The Grand Forks complex (GFC) is a fault-bounded metamorphic core complex in the southern Omineca Belt of British Columbia, Canada. It experienced prograde metamorphism ranging from upper-amphibolite to granulite facies conditions during the Mesozoic to early Tertiary compressional stage of the Cordilleran orogeny. Peak metamorphism was followed by multi-stage exhumation in the Early Eocene. This study provides U-Pb monazite and zircon constraints on the timing of metamorphic episodes in the...[Show more]

CollectionsANU Research Publications
Date published: 2012
Type: Journal article
Source: Lithos
DOI: 10.1016/j.lithos.2012.10.015


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