ORXX - Orex Gold Mines Corporation Message Board

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Gold/Mining/Energy : ORXX - Orex Gold Mines Corporation

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To: Sportfish who wrote (60)	7/31/1999 3:48:00 PM
From: Chuca Marsh	Read Replies (4) of 2392

Guys...the play ain't gold...it's PGMs. LINK to ORXX JV guys: homepages.go.com Semi-Opals Exist in Arizona- I found some. the Salt Basin therory helps to explain Flux PROBLEMS, refer to Bob Barefoot- July 1993 OPALS: ozemail.com.au Silica-calcined kaolin clay products are used as functional extenders in paints, coatings and rubber- Kaolin Clay u-s-silica.com u-s-silica.com SECTION 2 - COMPOSITION/INFORMATION ON INGREDIENTS Hazardous Ingredient: Crystalline silica (quartz), typically 99.2% to 99.9% Chemical Formula: SiO2 CAS#: 14808-60-7 OSHA PEL: Exposure to airborne crystalline silica shall not exceed an 8-hour time-weighted average limit as stated in 29 CFR §1910.1000 Table Z-1-A, Air Contaminants, specifically: 10 mg/m3 SiO2+2 ACGIH TLV: Crystalline Silica (quartz) TLV-TWA = 0.1 mg/m3 Respirable Crystalline Silica (quartz) See Threshold Limit Value and Biological Exposure Indices for American Conference of Governmental Industrial Hygienists (latest edition). Other Recommended Limits: National Institute for Occupational Safety and Health (NIOSH). Recommended standard maximum permissible concentration=0.05 mg/m3 (respirable free silica) as determined by a full-shift sample up to 10-hour working day, 40-hour work week. See NIOSH Criteria for a Recommended Standard Occupational Exposure to Crystalline Silica. CAUTION: Crystalline silica exists in several forms, the most common of which is quartz. If crystalline silica (quartz) is heated to more than 870°C it can change to a form of crystalline silica known as trydimite, and if crystalline silica (quartz) is heated to more than 1470°C, it can change to a form of crystalline silica known as cristobalite. Crystalline silica as trydimite and cristobalite are more fibrogenic than crystalline silica as quartz. The OSHA PEL for crystalline silica as trydimite and cristobalite is one-half the PEL for crystalline silica (quartz); the ACGIH TLV for crystalline silica as trydimite and cristobalite is one-half the TLV for crystalline silica as quartz. Above is / are the good parts. Great Basin Gold Model, involves the SILICAS : Message 8958838 Message 8958838 The MEAT: acid salt reacts with the sodium >carbonate the fire assay flux to generate large volumes of carbon dioxide >gas whiich propel the encapsulated gold as a froth to the top of the assay >cup which it cannot be entrapped by the occuring lead in the flux. It lead >in the Flux ( known as "acid slag effect" in assay and mining journalss ). >The encapsulation blocks the gold frpm vision, as well as...causing >numerous analytical difficulties. However, once salt has been removed ( >Patent Pending) the gold is assayable by Certified Fire Assay! AAbove FROM Bob Barefoot Great Basin Gold Theory and the BELOW is from the very Message 8958838 Message 8958838 techstocks.com techstocks.com Chucka Chucaupt2

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