Filters: partyWithName: U.S. Bureau of Mines (X) > partyWithName: Brierley, Corale L. (X)

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OFR 113-80 - Column Leaching of Low-Grade Chalcopyrite Ores Using Thermophilic Bacteria. 1980. Types: Map Service, OGC WFS Layer, OGC WMS Layer, OGC WMS Service; Tags: Pinto Valley, New Mexico OFR 127-76 - Biogenic Extraction of Copper & Molybdenum at High Temperatures. 1976. To leach metals from porphyry copper samples in which chalcopyrite (CuFeS2)2) was the primary mineral, two thermophilic bacteria were used, Sulfolobus acidocaldarius and "ferrolobus. " Ferrolobus has not been classified, but is similar to Sulfolobus acidocaldarius. Both organisms are mixotrophic, thermophilic and acidophilic, and oxidize sulfur and iron. Leaching tests were conducted in 6 .ft x 0.5 ft glass leach columns heated to 60 C. The percents of copper, molybdenum, zinc, lead and iron extracted from mineral samples inoculated with mixed cultures of Sulfolobus acidocaldarius and ferrolobus were compared with the extraction of these metals from samples maintained under identical conditions but sterilized with... Types: Map Service, OGC WFS Layer, OGC WMS Layer, OGC WMS Service; Tags: Copper, Molybdenum, New Mexico (NM) OFR 90-83 - Investigation of Microbially Induced Permeability Loss During In-Situ Leaching. 1983.