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U-Th-Pb zircon and monazite geochronology of Western Province gneissic rocks, central-south Westland, New Zealand

Hiess, Joe; Ireland, Trevor; Rattenbury, M

Description

Ion-microprobe (Sensitive High Resolution Ion MicroProbe or SHRIMP) zircon and monazite U-Th-Pb geochronology of amphibolite-facies orthogneiss and paragneiss units, mostly from the Fraser and Granite Hill Complexes of Westland, New Zealand, has constrained the ages of protolith rocks and metamorphic overprints. Paragneiss zircon (6 samples, 175 analyses) comprise detrital grains of Paleozoic to Archean age and match patterns from metasedimentary (Ordovician) Greenland Group rocks of the...[Show more]

CollectionsANU Research Publications
Date published: 2010
Type: Journal article
URI: http://hdl.handle.net/1885/67851
Source: New Zealand Journal of Geology and Geophysics
DOI: 10.1080/00288306.2010.495450

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