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Defense National Stockpile Center
Results: 44

#	Item
11	172 TIN (Data in metric tons of tin content unless otherwise noted) Domestic Production and Use: Tin has not been mined or smelted in the United States since 1993 and 1989, respectively. Twenty-five firms used about 81% Add to Reading List Source URL: minerals.usgs.gov Language: English - Date: 2007-01-19 09:42:15 Tin Periodic table Poor metals Post-transition metals Defense National Stockpile Center Scrap Ferrous metal recycling Restriction of Hazardous Substances Directive Copper Chemistry Matter Chemical elements
12 $Chemical elements / Refractory metals / Transition metals / Ferroniobium / Tantalum / Defense National Stockpile Center / Pyrochlore / Scrap / Matter / Chemistry / Niobium$	110 NIOBIUM (COLUMBIUM) (Data in metric tons of niobium content unless otherwise noted) Domestic Production and Use: Significant U.S. niobium mine production has not been reported since[removed]Domestic niobium resources Add to Reading List Source URL: minerals.usgs.gov Language: English - Date: 2010-01-27 09:13:00 Chemical elements Refractory metals Transition metals Ferroniobium Tantalum Defense National Stockpile Center Pyrochlore Scrap Matter Chemistry Niobium
13	174 TIN (Data in metric tons of tin content unless otherwise noted) Domestic Production and Use: Tin has not been mined domestically since[removed]Production of tin at the only U.S. tin smelter, at Texas City, TX, stopped Add to Reading List Source URL: minerals.usgs.gov Language: English - Date: 2005-01-12 14:34:12 Periodic table Chemical elements Poor metals Post-transition metals Ferrous metal recycling Scrap Defense National Stockpile Center Recycling Non-ferrous metal Chemistry Matter Tin
14 $Refractory metals / Transition metals / Tantalum / Capacitors / Niobium / Defense National Stockpile Center / Coltan / Chemistry / Matter / Chemical elements$	168 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 Add to Reading List Source URL: minerals.usgs.gov Language: English - Date: 2000-03-07 08:36:12 Refractory metals Transition metals Tantalum Capacitors Niobium Defense National Stockpile Center Coltan Chemistry Matter Chemical elements
15	THORIUM By James B. Hedrick Domestic survey data and table were prepared by Frederic H. De Haas, statistical assistant, and the world production table was prepared by Regina R. Coleman, international data coordinator. Wo Add to Reading List Source URL: minerals.usgs.gov Language: English - Date: 2006-08-15 09:15:16 Chemical elements Nuclear materials Nuclear fuels Thorium Monazite Gas mantle Defense National Stockpile Center Rare earth element Uranium-233 Chemistry Matter Actinides
16 $Chemistry / Refractory metals / Tantalum / Niobium / Scrap / Defense National Stockpile Center / Hafnium / Ore / Matter / Chemical elements / Transition metals$	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: 2010-01-27 10:09:31 Chemistry Refractory metals Tantalum Niobium Scrap Defense National Stockpile Center Hafnium Ore Matter Chemical elements Transition metals
17 $Transition metals / Refractory metals / Tantalum / Capacitors / Niobium / Hafnium / Superalloy / Defense National Stockpile Center / Coltan / Chemistry / Matter / Chemical elements$	168 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: 2003-02-11 14:30:54 Transition metals Refractory metals Tantalum Capacitors Niobium Hafnium Superalloy Defense National Stockpile Center Coltan Chemistry Matter Chemical elements
18 $Refractory metals / Transition metals / Tantalum / Capacitors / Niobium / Defense National Stockpile Center / Coltan / Kazatomprom / Chemistry / Matter / Chemical elements$	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
19 $Refractory metals / Transition metals / Tantalum / Niobium / Carbides / Defense National Stockpile Center / Coltan / Chemistry / Matter / Chemical elements$	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
20	176 TIN (Data in metric tons of tin content, unless otherwise noted) Domestic Production and Use: Tin has not been mined domestically since[removed]Production of tin at the only U.S. tin smelter, at Texas City, TX, stoppe Add to Reading List Source URL: minerals.usgs.gov Language: English - Date: 2003-02-11 14:33:48 Periodic table Chemical elements Poor metals Post-transition metals Ferrous metal recycling Scrap Non-ferrous metal Defense National Stockpile Center Bronze Chemistry Matter Tin

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