Coltan - PDFSEARCH.IO - Document Search Engine

Coltan
Results: 216

#	Item
161 $Refractory metals / Transition metals / Niobium / Oxide minerals / Tantalum / Coltan / Ferroniobium / Avalon Rare Metals / Ore / Matter / Chemistry / Chemical elements$	2012 Minerals Yearbook NIOBIUM and tantalum [advance Release] U.S. Department of the Interior U.S. Geological Survey Add to Reading List Source URL: minerals.usgs.gov Language: English - Date: 2014-06-02 08:24:02 Refractory metals Transition metals Niobium Oxide minerals Tantalum Coltan Ferroniobium Avalon Rare Metals Ore Matter Chemistry Chemical elements
162 $Chemical elements / Refractory metals / Transition metals / Tantalum / Niobium / Coltan / Cabot Corporation / Ore / Avalon Rare Metals / Chemistry / Matter / Oxide minerals$	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 Add to Reading List Source URL: minerals.usgs.gov Language: English - Date: 2002-10-10 09:17:36 Chemical elements Refractory metals Transition metals Tantalum Niobium Coltan Cabot Corporation Ore Avalon Rare Metals Chemistry Matter Oxide minerals
163 $Transition metals / Refractory metals / Tantalum / Niobium / Scrap / Hafnium / Ore / Coltan / Matter / Chemistry / Chemical elements$	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: 2011-01-24 14:45:03 Transition metals Refractory metals Tantalum Niobium Scrap Hafnium Ore Coltan Matter Chemistry Chemical elements
164 $Refractory metals / Transition metals / Tantalum / Capacitors / Niobium / Ore / Tantalite / Coltan / Chemistry / Matter / Chemical elements$	172 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: 1999-02-05 13:38:46 Refractory metals Transition metals Tantalum Capacitors Niobium Ore Tantalite Coltan Chemistry Matter Chemical elements
165 $Transition metals / Refractory metals / Oxide minerals / Noble metals / Tantalum / Niobium / Coltan / Cabot Corporation / Ore / Chemistry / Matter / Chemical elements$	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: 1999-05-06 06:56:16 Transition metals Refractory metals Oxide minerals Noble metals Tantalum Niobium Coltan Cabot Corporation Ore Chemistry Matter Chemical elements
166 $Transition metals / Refractory metals / Oxide minerals / Niobium / Tantalum / Coltan / Ferroalloy / Superalloy / Steel / Chemistry / Matter / Chemical elements$	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: 2005-01-12 10:17:57 Transition metals Refractory metals Oxide minerals Niobium Tantalum Coltan Ferroalloy Superalloy Steel Chemistry Matter Chemical elements
167 $Transition metals / Refractory metals / Tantalum / Niobium / Hafnium / Scrap / Ore / Coltan / Matter / Chemistry / Chemical elements$	160 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: 2014-03-07 17:14:18 Transition metals Refractory metals Tantalum Niobium Hafnium Scrap Ore Coltan Matter Chemistry Chemical elements
168 $Transition metals / Refractory metals / Tantalum / Niobium / Scrap / Hafnium / Coltan / Matter / Chemistry / Chemical elements$	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: 2013-01-29 12:07:48 Transition metals Refractory metals Tantalum Niobium Scrap Hafnium Coltan Matter Chemistry Chemical elements
169 $Refractory metals / Transition metals / Tantalum / Capacitors / Niobium / Defense National Stockpile Center / Coltan / Chemistry / Matter / Chemical elements$	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
170 $Transition metals / Refractory metals / Tantalum / Capacitors / Niobium / Hafnium / Superalloy / Defense National Stockpile Center / Coltan / Chemistry / Matter / Chemical elements$	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

UPDATE