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Coltan
Results: 216

#	Item
171 $Refractory metals / Transition metals / Oxide minerals / Niobium / Tantalum / Coltan / Cabot Corporation / Pyrochlore / Ore / Chemistry / Matter / Chemical elements$	2005 Minerals Yearbook Columbium (Niobium) and Tantalum U.S. Department of the Interior U.S. Geological Survey Add to Reading List Source URL: minerals.usgs.gov Language: English - Date: 2007-09-04 07:34:56 Refractory metals Transition metals Oxide minerals Niobium Tantalum Coltan Cabot Corporation Pyrochlore Ore Chemistry Matter Chemical elements
172 $Refractory metals / Transition metals / Tantalum / Capacitors / Niobium / Defense National Stockpile Center / Coltan / Kazatomprom / Chemistry / Matter / Chemical elements$	164 TANTALUM (Data in metric tons of tantalum content, unless otherwise noted) Domestic Production and Use: There has been no significant domestic tantalum mining since[removed]Domestic tantalum resources are of low grade Add to Reading List Source URL: minerals.usgs.gov Language: English - Date: 2001-02-01 11:01:00 Refractory metals Transition metals Tantalum Capacitors Niobium Defense National Stockpile Center Coltan Kazatomprom Chemistry Matter Chemical elements
173 $Transition metals / Refractory metals / Tantalum / Capacitors / Niobium / Hafnium / Superalloy / Coltan / Chemistry / Matter / Chemical elements$	166 TANTALUM (Data in metric tons of tantalum content, unless otherwise noted) Domestic Production and Use: There has been no significant domestic tantalum mining since[removed]Domestic tantalum resources are of low grade Add to Reading List Source URL: minerals.usgs.gov Language: English - Date: 2004-01-13 13:42:08 Transition metals Refractory metals Tantalum Capacitors Niobium Hafnium Superalloy Coltan Chemistry Matter Chemical elements
174 $Refractory metals / Transition metals / Periodic table / Tantalum / Niobium / Oxide minerals / Coltan / Cabot Corporation / Mining industry of Burundi / Chemistry / Matter / Chemical elements$	COLUMBIUM (NIOBIUM) AND TANTALUM By Larry D. Cunningham Columbium (niobium—Nb) is vital as an alloying element in steels and in superalloys for aircraft turbine engines and is in greatest demand in industrialized count Add to Reading List Source URL: minerals.usgs.gov Language: English - Date: 1996-11-07 09:53:46 Refractory metals Transition metals Periodic table Tantalum Niobium Oxide minerals Coltan Cabot Corporation Mining industry of Burundi Chemistry Matter Chemical elements
175 $Refractory metals / Transition metals / Periodic table / Oxide minerals / Tantalum / Niobium / Coltan / Ore / Cabot Corporation / Chemistry / Matter / Chemical elements$	COLUMBIUM (NIOBIUM) AND TANTALUM By Larry D. Cunningham Columbium (niobium-Nb) is vital as an alloying element in steels and in superalloys for aircraft turbine engines and is in greatest demand in industrialized countri Add to Reading List Source URL: minerals.usgs.gov Language: English - Date: 1997-09-04 14:42:45 Refractory metals Transition metals Periodic table Oxide minerals Tantalum Niobium Coltan Ore Cabot Corporation Chemistry Matter Chemical elements
176 $Refractory metals / Transition metals / Tantalum / Niobium / Carbides / Defense National Stockpile Center / Coltan / Chemistry / Matter / Chemical elements$	164 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 Add to Reading List Source URL: minerals.usgs.gov Language: English - Date: 2007-01-19 09:38:50 Refractory metals Transition metals Tantalum Niobium Carbides Defense National Stockpile Center Coltan Chemistry Matter Chemical elements
177 $Transition metals / Refractory metals / Tantalum / Niobium / Scrap / Hafnium / Ore / Coltan / Matter / Chemistry / Chemical elements$	162 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 Add to Reading List Source URL: minerals.usgs.gov Language: English - Date: 2012-01-24 14:47:19 Transition metals Refractory metals Tantalum Niobium Scrap Hafnium Ore Coltan Matter Chemistry Chemical elements
178	Carlisle Companies Incorporated Conflict Minerals Report For the Year Ended December 31, 2013 This report for the year ended December 31, 2013 is presented to comply with Rule 13p-1 under the Securities Exchange Act of 1 Add to Reading List Source URL: www.carlisle.com Language: English - Date: 2014-06-02 15:00:37 Supply chain management Management Conflict minerals Minerals Mining in Rwanda Due diligence Coltan Supply chain Purchasing Business Technology Mining in the Democratic Republic of the Congo
179 $Transition metals / Refractory metals / Niobium / Tantalum / Coltan / Ferroalloy / Steel / Nickel / Superalloy / Chemistry / Matter / Chemical elements$	52 COLUMBIUM (NIOBIUM) (Data in metric tons of columbium content, unless otherwise noted) Domestic Production and Use: There has been no significant domestic columbium mining since[removed]Domestic columbium resources are Add to Reading List Source URL: minerals.usgs.gov Language: English - Date: 2004-01-13 09:32:10 Transition metals Refractory metals Niobium Tantalum Coltan Ferroalloy Steel Nickel Superalloy Chemistry Matter Chemical elements
180	Grad Conn Ltd. No. 139, Wuhan Road, Longtan Township, Taoyuan County Taiwan[removed]Tel: +[removed]Fax: +[removed] Add to Reading List Source URL: www.gradconn.com Language: English - Date: 2014-01-09 04:29:34 Natural resources Mining in the Democratic Republic of the Congo Conflict minerals Minerals Mining in Rwanda Transition metals Wolframite Tantalum Coltan Matter Chemistry Oxide minerals

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