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A laser-Raman microprobe study of platinum-group minerals from the Munni Munni layered intrusion, West Pilbara Block, Western Australia

Terrence P. Mernagh and Dean M. Hoatson
A laser-Raman microprobe study of platinum-group minerals from the Munni Munni layered intrusion, West Pilbara Block, Western Australia (in Microbeam techniques in the earth sciences, Frank C. Hawthorne (editor) and R. F. Martin (editor))
The Canadian Mineralogist (April 1995) 33, Part 2: 409-417

Abstract

The laser-Raman microprobe has been used to identify relatively small (up to 10 mu m) grains of PGM in the mineralized layer just below the contact between the ultramafic zone and the gabbroic zone of the Archaean Munni Munni layered igneous complex. The Raman spectra of sperrylite, platarsite, moncheite, cooperite, braggite and potarite are reported for the first time, and their spectra are compared with those predicted from group theory. All Raman bands occur below 500 cm (super -1) , and each PGM produces a distinct spectrum, thus allowing ready identification of each mineral. The technique requires little preparation of the sample and offers the advantage of high spatial resolution and relatively rapid identification of in situ mu m-sized grains of PGM in silicate or sulphide matrices.


ISSN: 0008-4476
EISSN: 1499-1276
Coden: CAMIA6
Serial Title: The Canadian Mineralogist
Serial Volume: 33, Part 2
Title: A laser-Raman microprobe study of platinum-group minerals from the Munni Munni layered intrusion, West Pilbara Block, Western Australia
Title: Microbeam techniques in the earth sciences
Author(s): Mernagh, Terrence P.Hoatson, Dean M.
Author(s): Hawthorne, Frank C.editor
Author(s): Martin, R. F.editor
Affiliation: Australian Geological Survey Organisation, Canberra, Australia
Pages: 409-417
Published: 199504
Text Language: English
Summary Language: French
Publisher: Mineralogical Association of Canada, Ottawa, ON, Canada
Meeting name: Special session of the GAC-MAC annual meeting
Meeting location: Waterloo, ON, CAN, Canada
Meeting date: 199?199?
References: 31
Accession Number: 1999-060114
Categories: Mineralogy of non-silicates
Document Type: Serial Conference document
Bibliographic Level: Analytic
Illustration Description: illus. incl. 2 tables
S22°30'00" - S20°19'60", E117°00'00" - E121°30'00"
Country of Publication: Canada
Secondary Affiliation: GeoRef, Copyright 2017, American Geosciences Institute. Reference includes data from Mineralogical Abstracts, United KingdomTwickenhamUKUnited Kingdom
Update Code: 199920
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