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The source of Witwatersrand gold: evidence from uraninite chemistry

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Abstract

An in-situ LA-ICP-MS study of different generations of uraninite from the Mesoarchaean Witwatersrand gold palaeoplacer deposits revealed unusually high Au concentrations in rounded, detrital uraninite grains but no detectable Au in secondary, hydrothermally mobilised uraninite. A Au-enriched uraninite-bearing magmatic host is suggested as a significant source for detrital gold in the Witwatersrand sediments.

Additional publication details

Publication type Conference Paper
Publication Subtype Conference Paper
Title The source of Witwatersrand gold: evidence from uraninite chemistry
Year Published 2009
Language English
Publisher James Cook University School of Earth & Environmental Studies. Economic Geology Research Unit
Contributing office(s) Central Mineral and Environmental Resources Science Center
Description 3 p.
Larger Work Type Conference Paper
Larger Work Title Smart science for exploration and mining : proceedings of the 10th Biennial SGA Meeting, Townsville, Australia 17th-20th August 2009
First page 353
Last page 355
Conference Title 10th Biennial SGA Meeting: Smart Science for Exploration and Mining
Conference Location Townsville, Australia
Conference Date August 17-20, 2009
Online Only (Y/N) N
Additional Online Files (Y/N) N