What if Nd and Pr are actually 7g/cm3 that is 3 x heavier/denser per particle than granite 2.7g/cm3. At 330 ppm NdPr then weight wise will be equivalent to about 1000ppm or 1kg of Nd Pr per tonne of granite
Price of NdPr on the Shanghai index is US $72500/t or AUS$125/kg.
That is a value of NdPr of AUS$ 125/tonne of 1t of granite.
Error I made costs AUS$10-15/tonne to crush.
https://thundersaidenergy.com/downloads/mining-crushing-grinding-and-communition-costs/
Sulphuirc acid 98% AUS$350/t but if only 4% needed cost drops when diluted to AUS$14 /t . Use about 1t acid to 1t granite.
? transport costs to a nearby plant for processing at Mt Isa.
It's starting to look good.
Ann: Sybella Drill Assays Confirm New REO Discovery, page-72
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