Description
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AMIS0096 Uraniferous Karoo sandstone, 137 ppm U, South Africa
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Origin of Material: AMIS0096 was made from Karoo sandstone material supplied by Uramin (Pty) Inc. from their Ryst Kuil project, situated about 60km south-east of Beaufort West, in the Western Cape Province, South Africa.
The Karoo Basin is a Permo-Triassic Gondwanaland basin. It is being explored for uranium, which occurs in basal sandy members of upward fining megacycles in the Adelaide Subgroup of the Beaufort Group. The host rock comprises a fine-grained greywacke to mud pebble conglomerate, containing ore grade, organic rich, pods.
The geology and associated mineralization is described in “Le Roux, J.P., and Toens, P.D.. (1986). A review of the uranium occurrences in the Karoo Sequence, South Africa. Anhauser,C.R., and Maske.S.(Eds)(1986). Mineral Deposits of Southern Africa. Vol II, 2119-2134.
Recommended Concentrations and Limits (at two Standard Deviations)
Provisional Concentrations
U XRF | 137 | ± | 28 | ppm |
U M/ICP | 132 | ± | 23 | ppm |
Mo XRF | 80 | ± | 15 | ppm |
Mo M/ICP | 79 | ± | 15 | ppm |
Certified Concentrations
Specific Gravity | 2.70 | ± | 0.08 |
