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U 221ppm Alaskite Rossing NA

Category: URANIUM 
Product Code: AMIS 0344

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DOWNLOAD AMIS CERTIFICATE (PDF)
AMIS0344 U 226 ppm Uraniferous alaskite Rossing Namibia

Origin of Material: AMIS0344 was supplied by Rio Tinto Limited from their Rössing Uranium Mine situated 70km north-east of Swakopmund in Namibia. The uranium mineralisation is associated with Neoproterozoic Damara Orogen syntactic alaskitic granites that display concordant, discordant and replacement relationships to the heavily folded host gniesses, marbles and limestones of the Khan and Rössing Formations.

Mineral and Chemical Composition: The uranium bearing minerals are mainly uraninite and its alteration products, and minor betafite

Recommended Concentrations and Limits
(at two Standard Deviations)

Certified Concentrations

U M/ICP      221 ± 26 ppm
U XRF         226 ± 19 ppm
Ca M/ICP   2.070 ± 0.179 %
Ca XRF      2.090 ± 0.052 %
Nb M/ICP   22.4 ± 2.4 ppm
Specific Gravity 2.68 ± 0.08 

 Provisional Concentration

Ta M/ICP 2.0 ± 0.4 ppm

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VCS is a Reserve Bank Registered System Operator and a Member of Association of System Operators.