Description
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AMIS0275 Rare Earth HG Madagascar
Origin of Material: AMIS0275 is a commissioned CRM made up of material supplied by Tantalus Rare Earths from the TRE Project situated on the Ampasindava Peninsula in the Antsiranana Province of northern Madagascar, approximately 40km south-west of the regional administrative centre, Ambanja.
Mineral and Chemical Composition: The concession area, comprises rare earth- tantalum-niobium-zirconium-hafnium enriched dykes, sills and argillaceous laterites.
Recommended Concentrations and Limits
at two Standard Deviations
Certified Concentrations
Ce FUS 381 ± 27 ppm
Ce M/ICP 367 ± 48 ppm
Dy FUS 22.0 ± 1.6 ppm
Er FUS 12.4 ± 1.0 ppm
Eu FUS 3.4 ± 0.3 ppm
Gd FUS 25.2 ± 2.7 ppm
Ho FUS 4.4 ± 0.3 ppm
La FUS 294 ± 20 ppm
La M/ICP 285 ± 38 ppm
Lu FUS 1.7 ± 0.2 ppm
Nb M/ICP 239 ± 25 ppm
Nd FUS 188 ± 12 ppm
Pr FUS 56.1 ± 4.0 ppm
Sm FUS 31.7 ± 2.8 ppm
Sr M/ICP 20.1 ± 1.7 ppm
Tb FUS 4.0 ± 0.3 ppm
Tm FUS 1.8 ± 0.2 ppm
U Fus 11.5 ± 0.7 ppm
Yb FUS 11.2 ± 0.7 ppm
Specific Gravity 2.6 ± 0.1
Provisional Concentrations
Nb Fus 239 ± 36 ppm
Sc M/ICP 7.8 ± 1.0 ppm
Sr FUS 21.2 ± 2.7 ppm
Tb M/ICP 3.3 ± 0.6 ppm
Th Fus 56.9 ± 6.5 ppm
Th M/ICP 47.2 ± 9.0 ppm
U M/ICP 7.6 ± 1.3 ppm
Y FUS 115 ± 16 ppm
Y M/ICP 83.1 ± 20.5 ppm
Yb M/ICP 6.6 ± 1.7 ppm
Indicated Means
Lu M/ICP 0.9 ppm
