Coltan

Results: 216



#Item
151Chemical elements / Minerals / Conflict minerals / Mining in Rwanda / Coltan / Tantalum / Democratic Republic of the Congo / Wolframite / Smelting / Chemistry / Matter / Mining in the Democratic Republic of the Congo

CONFLICT MINERALS POLICY STATEMENT We support ending the violence and human rights violations in the mining of certain minerals from a location described as the “Conflict Region”, which is situated in the eastern por

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Source URL: www.transpec.com

Language: English - Date: 2014-06-28 11:31:09
152Natural resources / Mining in the Democratic Republic of the Congo / Conflict minerals / Minerals / Mining in Rwanda / Coltan / Columbite / Ore / Wolframite / Matter / Chemistry / Oxide minerals

Microsoft Word - Document1

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Source URL: www.schmitt-ind.com

Language: English - Date: 2014-06-02 15:38:33
153Minerals / Mining in Rwanda / Natural resources / Political geography / Coltan / Democratic Republic of the Congo / Mining in the Democratic Republic of the Congo / Africa / Conflict minerals

Conflict Materials Statement

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Source URL: www.etlsystems.com

Language: English - Date: 2013-05-28 11:07:43
154Refractory metals / Transition metals / Oxide minerals / Niobium / Tantalum / Coltan / Kazatomprom / Ferroniobium / Ore / Matter / Chemistry / Chemical elements

52-Niobium(revSept16).indd

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Source URL: minerals.usgs.gov

Language: English - Date: 2013-05-29 13:53:16
155Transition metals / Refractory metals / Oxide minerals / Metals / Tantalum / Niobium / Coltan / Kazatomprom / Defense National Stockpile Center / Chemistry / Matter / Chemical elements

COLUMBIUM (NIOBIUM) AND TANTALUM By Larry D. Cunningham Domestic survey data and tables were prepared by Robin C. Kaiser, statistical assistant, and the world production table was prepared by Regina R. Coleman, internati

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Source URL: minerals.usgs.gov

Language: English - Date: 2000-11-15 08:16:50
156Refractory metals / Transition metals / Oxide minerals / Niobium / Tantalum / Coltan / Cabot Corporation / Pyrochlore / Mining industry of Burundi / Chemistry / Matter / Chemical elements

COLUMBIUM (NIOBIUM) AND TANTALUM By Larry D. Cunningham Domestic survey data and tables were prepared by Robin C. Kaiser, statistical assistant, and the world production table was prepared by Regina R. Coleman, internati

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Source URL: minerals.usgs.gov

Language: English - Date: 2006-08-15 09:06:27
157Chemical elements / Refractory metals / Transition metals / Niobium / Tantalum / Ferroniobium / Coltan / Euxenite / Avalon Rare Metals / Matter / Chemistry / Oxide minerals

2011 Minerals Yearbook NIOBIUM AND TANTALUM [ADVANCE RELEASE] U.S. Department of the Interior U.S. Geological Survey

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Source URL: minerals.usgs.gov

Language: English - Date: 2013-03-05 14:51:02
158Refractory metals / Transition metals / Tantalum / Capacitors / Niobium / Ore / Tantalite / Coltan / Chemistry / Matter / Chemical elements

170 TANTALUM (Data in metric tons of tantalum content, unless otherwise noted) Domestic Production and Use: There has been no significant domestic tantalum-mining industry since[removed]Domestic tantalum resources are of

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Source URL: minerals.usgs.gov

Language: English - Date: 1998-02-26 08:46:11
159Transition metals / Refractory metals / Tantalum / Niobium / Defense National Stockpile Center / Hafnium / Scrap / Ore / Coltan / Matter / Chemistry / Chemical elements

168 TANTALUM (Data in metric tons of tantalum content unless otherwise noted) Domestic Production and Use: No significant U.S. tantalum mine production has been reported since[removed]Domestic tantalum resources are of lo

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Source URL: minerals.usgs.gov

Language: English - Date: 2008-02-01 10:47:13
160Chemical elements / Refractory metals / Transition metals / Oxides / Niobium / Tantalum / Coltan / Cabot Corporation / Ferroniobium / Chemistry / Matter / Oxide minerals

2010 Minerals Yearbook NIOBIUM (COLUMBIUM) AND TANTALUM [ADVANCE RELEASE] U.S. Department of the Interior U.S. Geological Survey

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Source URL: minerals.usgs.gov

Language: English - Date: 2012-04-05 14:14:08
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