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Shoshonitic magmatism and the formation of the Northparkes porphyry Cu-Au deposits, New South Wales

Lickfold, Vanessa; Cooke, David R.; Crawford, Anthony James; Fanning, Christopher

Description

Four economic porphyry Cu-Au deposits occur at Northparkes, New South Wales: Endeavour 22 (E22), E26, E27 and E48. Mineralisation is centred on thin, pipe-like Late Ordovician to Early Silurian quartz monzonite porphyry complexes. Nine intrusive phases have been recognised, with a common sequence of emplacement recognised in all deposits. Pre-mineralisation intrusions include coarse-grained, equigranular monzodiorite and equigranular to weakly porphyritic biotite-quartz monzonite (U-Pb SHRIMP...[Show more]

CollectionsANU Research Publications
Date published: 2007
Type: Journal article
URI: http://hdl.handle.net/1885/26822
Source: Australian Journal of Earth Sciences
DOI: 10.1080/08120090601175754

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