Coltan

Results: 216



#Item
151CONFLICT 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

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
152Microsoft Word - Document1

Microsoft Word - Document1

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Source URL: www.schmitt-ind.com

Language: English - Date: 2014-06-02 15:38:33
153Conflict Materials Statement

Conflict Materials Statement

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Source URL: www.etlsystems.com

Language: English - Date: 2013-05-28 11:07:43
15452-Niobium(revSept16).indd

52-Niobium(revSept16).indd

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Source URL: minerals.usgs.gov

Language: English - Date: 2013-05-29 13:53:16
155COLUMBIUM (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

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
156COLUMBIUM (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

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
1572011 Minerals Yearbook NIOBIUM AND TANTALUM [ADVANCE RELEASE] U.S. Department of the Interior U.S. Geological Survey

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
158170  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

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
159168  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

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
1602010 Minerals Yearbook NIOBIUM (COLUMBIUM) AND TANTALUM [ADVANCE RELEASE] U.S. Department of the Interior U.S. Geological Survey

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