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Reconnaissance-style EPMA chemical U-Th-Pb dating of uraninite

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Date

2011

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Abstract

EPMA chemical U-Th-Pb uraninite analysis has been used to constrain the age of the granite-related, Rössing South uranium prospect in Namibia and the Kintyre unconformity-related uranium deposit in Western Australia. Uraninite from the Rössing South prospect has an age of 496.1±4.1 Ma, which is similar to the age of other uranium deposits in the region at Rössing and Goanikontes. Uraninite grains analysed from the Kintyre deposit have an age of 837 +35/-31 Ma suggesting that the uranium mineralisation occurred during or after the latest period of sedimentation in the Yeneena Basin during the ca 850 to ca 800 Ma Miles Orogeny.

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Keywords

Chemical U-Th-Pb dating, Kintyre deposit, Rössing South prospect, Uraninite

Citation

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https://dspace-test.anu.edu.au/handle/1885/733751612

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DevOps Pure Testing

Source

Australian Journal of Earth Sciences

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Article

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DOI

10.1080/08120099.2011.598190

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