Re: how long we can have the assays

HIGH-GRADE NI-CU-PT-PD-ZN-CR-AU-V-TI DISCOVERIES IN THE "RING OF FIRE"

NI 43-101 Update (September 2012): 11.1 Mt @ 1.68% Ni, 0.87% Cu, 0.89 gpt Pt and 3.09 gpt Pd and 0.18 gpt Au (Proven & Probable Reserves) / 8.9 Mt @ 1.10% Ni, 1.14% Cu, 1.16 gpt Pt and 3.49 gpt Pd and 0.30 gpt Au (Inferred Resource)

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bernardho

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Re: how long we can have the assays

posted on Jun 11, 2008 11:56AM

Economic Geology 5350

Subject: Magmatic Chromium Deposits

Ore Mineralogy and Tenor

The only economic mineral of chromium is chromite; a variety of the spinel group that has a chemical formula of (Fe,Mg) (Cr, Al, Fe)2O4. Theoretically the mineral contains 68 % Cr2O3 and 32% FeO but Fe+3 may displace some Cr+3 reducing the Cr2O3 content to as little as 40%. To be commercial, ores usually contain a minimum of 45%Cr2O3. There are three types of ore: chemical, refractory, and metallurgical. Metallurgical contains 45-56 Cr2O3 with a high Cr:Fe ratio (2.5 to 4.3); chemical contains >44% Cr2O3 3 with a Cr:Fe ratio of at least 1.5; whereas refractory contains 30-35%Cr2O3, 25-32% Al2O3 with a Cr:Fe ratio of 2-2.5:1 and very low iron content. Common gangue minerals associated with chromite are olivine, orthopyroxene, serpentine, and calcic-plagioclase. Chromite is closely associated with Mg and Ni in ultramafic rocks; peridotite contains 1000-3000 ppm Cr, where 1% is not uncommon. Gabbro however averages 200 ppm Cr.

JD, Is our Cr commercially viable?

Thanks always..

Bernard

See JD answer, he is optimist that SPQ has hit good result as it is just the prelim and in the early stage of exploration...sure he is the mentor for me...