Coltan

Results: 216



#Item
1712005 Minerals Yearbook Columbium (Niobium) and Tantalum U.S. Department of the Interior U.S. Geological Survey

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
172164  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

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
173166  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

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
174COLUMBIUM (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

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
175COLUMBIUM (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

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
176164  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

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
177162  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

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
178Carlisle 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

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
17952  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

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
180Grad Conn Ltd. No. 139, Wuhan Road, Longtan Township, Taoyuan County Taiwan[removed]Tel: +[removed]Fax: +[removed]

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