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Metamorphic alteration of the massive sulfide horizon from the Salt River VMS deposit (South Africa)
University of Johannesburg, South Africa.ORCID iD: 0000-0003-2263-3899
University of Johannesburg, South Africa.
University of Johannesburg, South Africa.
2014 (English)In: Ore Geology Reviews, ISSN 0169-1368, E-ISSN 1872-7360, Vol. 56, 45-52 p.Article in journal (Refereed) Published
Abstract [en]

Sulfides from the upper sulfide zone of the Salt River VMS deposit (South Africa) were analyzed for PGE (platinum group elements), Re, Au, Sb, As, Se, Te, Cr, Co, Ni, Mn, Mo, Ag, Hg and Pb using in-situ LA-ICP-MS (laser ablation-inductively coupled plasma-mass spectrometry) techniques. The analysis of a plethora of trace elements during the ablation of one single spot was possible by using a multi-standard approach, involving the analysis of several external standards before, after and between the analysis of unknowns, including a new in-house standard for As, Sb, Se, and Te. Chondrite normalized PGE patterns best fit data from Besshi-type deposits, and show that metamorphism was isochemical with respect to the PGE and Au. Although most sulfide minerals experienced melting no migration into discrete pockets could be observed.

Place, publisher, year, edition, pages
2014. Vol. 56, 45-52 p.
Keyword [en]
VMS, Salt River, South Africa, Sulfide, Metamorphism, LA-ICP-MS
National Category
Geology
Identifiers
URN: urn:nbn:se:su:diva-126082DOI: 10.1016/j.oregeorev.2013.07.005OAI: oai:DiVA.org:su-126082DiVA: diva2:897143
Available from: 2016-01-25 Created: 2016-01-25 Last updated: 2017-03-03Bibliographically approved

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Wohlgemuth-Ueberwasser, Cora C.
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