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New constraints on regional brecciation in the Wernecke Mountains, Canada, from He, Ne, Ar, Kr, Xe, Cl, Br and I in fluid inclusions

Kendrick, M A; Honda, Masahiko; Gillen, D; Baker, T; Phillips, David

Description

Regionally-distributed brecciation in the Proterozoic Wernecke Mountains of Canada is associated with hydrothermal alteration, that is similar to that seen in the Fe-oxide-Cu-Au class of ore deposit and characterized by variably saline fluid inclusions. Two phase liquid-vapour (LV) fluid inclusions (< 26-30 wt.% salt) in fluorite and barite, plus most quartz samples, are characterized by: greater than seawater Br/Cl values of up to 3.0 × 10- 3; I/Cl values of up to 65 × 10- 6; elevated36Ar...[Show more]

CollectionsANU Research Publications
Date published: 2008
Type: Journal article
URI: http://hdl.handle.net/1885/35586
Source: Chemical Geology
DOI: 10.1016/j.chemgeo.2008.05.021

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