Proposed molybdenum tailings disposal facility for Molycorp, Inc.
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Proposed molybdenum tailings disposal facility for Molycorp, Inc. final environmental assessment. by

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Published by US Dept. of the Interior, Bureau of Land Management, Albuquerque District, Taos Resource Area in [Taos, N.M.?] .
Written in English


  • Molybdenum mines and mining -- New Mexico -- Questa.

Book details:

Edition Notes

ContributionsUnited States. Bureau of Land Management. Taos Resource Area.
The Physical Object
Pagination1 v. (various pagings) :
ID Numbers
Open LibraryOL17666561M

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Molycorp Inc. was an American mining corporation headquartered in Greenwood Village, Colorado. The corporation, which was formerly traded on the New York Stock Exchange, owned the Mountain Pass rare earth mine in California. It filed for bankruptcy in June after changing competitive circumstances, declining prices on output and a arters: Greenwood Village, Colorado, United States. Questa. The tailings disposal facility covers about 1 square mile and is located less than 2 miles west of Questa. The tailings pipeline follows the Red River most of the way to the tailings facility. It also crosses and parallels the acequias, ditches that provide irrigation and other water to the community. The U.S. Environmental Protection Agency (EPA) proposes to add the Molycorp, Inc., site near Questa, New Mexico, to the federal Superfund National Priorities List (NPL). Uncontrolled acidic, metal laden runoff from the molybdenum mine and its associated tailings ponds threatens the Red River fishery and nearby endangered species habitats. Potash Corporation of Saskatchewan Inc. Allan Division Allan, Saskatchewan S0K 0C0 DISTRIBUTION: 18 Copies - PCS Potash, Allan Division, Allan, Saskatchewan 2 Copies - Golder Associates Ltd., Saskatoon, Saskatchewan April PROJECT PROPOSAL PROPOSED FINE TAILINGS MANAGEMENT AREA PCS POTASH, ALLAN DIVISION ALLAN, SASKATCHEWAN.

  The Climax Molybdenum Corporation of BC, Ltd. (a subsidiary of AMAX), which will mine the deposit, plans to dump s tons of waste tailings into the ocean each day. With the life of the mine estimated at 26 years, there will be a total of about million tons of tailings. The facility contains eight mills to regrind the tailings, and uses a flotation process to produce copper concentrate, which also contains molybdenum and a smaller quantity of silver. The. The pyrite concentrate tailings and the general plant tailings will be combined at the plant and pumped to a nearby tailings storage facility (TSF) as slurry at a design solids content of 55% by mass. The combined tailings will be deposited into a conventional, rectangular shapedFile Size: KB. The company was owned by Resource Capital Funds, Pegasus Partners IV, LP, The Goldman Sachs Group, Inc., Traxys North America LLC and Carint Group LLC. On J , Molycorp, Inc., a newly established parent company of Molycorp Minerals LLC, became a publicly traded firm by sell, shares at $14 in its on: Nipton, California.

  After Molycorp completes its new facility at the mine, expected by the end of , it will provide to Sumitomo for an additional five years about 3, metric tons of cerium- . Molycorp, Inc., a development stage company, focuses on the production and sale of rare earth oxides from stockpiled feedstocks in the western hemisphere. The company operates the Mountain Pass mine, a non-Chinese rare earth deposit located in San Bernardino County, California. at the Molycorp molybdenum mine east of Questa, New Mexico. Future mining could create an additional acres of surface subsidence. Block-caving began in and could continue until Impacts to the ground surface and the adjacent Red River have not been studied in any by: 3. Full Reclamation and Closure Plan Page 1 Molycorp Questa Mine, NM J. Kuipers, CSP2 Introduction Molycorp, Inc (Molycorp) owns and operates a molybdenum mining operation located near and adjacent to the town of Questa, New Mexico. The mining operation includes open pit andFile Size: 3MB.