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Refractory metals
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#	Item
311 $Refractory metals / Transition metals / Molybdenum / Mining companies of Canada / Thompson Creek Metals / Tungsten / Ferromolybdenum / Chemistry / Matter / Chemical elements$	Molybdenum in November 2013 Add to Reading List Source URL: minerals.usgs.gov Language: English - Date: 2014-03-05 16:40:06 Refractory metals Transition metals Molybdenum Mining companies of Canada Thompson Creek Metals Tungsten Ferromolybdenum Chemistry Matter Chemical elements
312 $Transition metals / Refractory metals / Tantalum / Capacitors / Niobium / Aluminium / Ore / Hafnium / Tantalite / Chemistry / Matter / Chemical elements$	170 TANTALUM (Data in thousand kilograms of tantalum content, unless otherwise noted) Domestic Production and Use: There has been no significant domestic tantalum-mining industry since 1959, with the exception of small Add to Reading List Source URL: minerals.usgs.gov Language: English - Date: 1997-03-10 08:33:39 Transition metals Refractory metals Tantalum Capacitors Niobium Aluminium Ore Hafnium Tantalite Chemistry Matter Chemical elements
313 $Refractory metals / Transition metals / Dietary minerals / Molybdates / Molybdenum / Ferromolybdenum / Tungsten / Sodium molybdate / Lubricant / Chemistry / Matter / Chemical elements$	MOLYBDENUM By John W. Blossom Molybdenum is a refractory metallic element used principally as an alloying agent in steels, cast irons, and superalloys to enhance hardenability, strength, toughness, and wear and corrosion Add to Reading List Source URL: minerals.usgs.gov Language: English - Date: 2000-02-01 12:17:19 Refractory metals Transition metals Dietary minerals Molybdates Molybdenum Ferromolybdenum Tungsten Sodium molybdate Lubricant Chemistry Matter Chemical elements
314 $Transition metals / Refractory metals / Noble metals / Rhenium / Molybdenum / Ruthenium / Perrhenic acid / Perrhenate / Superalloy / Chemistry / Matter / Chemical elements$	136 RHENIUM (Data in kilograms of rhenium content unless otherwise noted) Domestic Production and Use: During 2005, ores containing rhenium were mined by five operations (two in Arizona, one each in Montana, New Mexico, Add to Reading List Source URL: minerals.usgs.gov Language: English - Date: 2006-01-20 09:48:37 Transition metals Refractory metals Noble metals Rhenium Molybdenum Ruthenium Perrhenic acid Perrhenate Superalloy Chemistry Matter Chemical elements
315 $Refractory metals / Transition metals / Molybdenum / Ferromolybdenum / Tungsten / Molybdate / Jinduicheng Molybdenum / Climax mine / Chemistry / Matter / Chemical elements$	MOLYBDENUM By John W. Blossom Molybdenum is a refractory metallic element used principally as an alloying agent in steels, cast irons, and superalloys to enhance hardenability, strength, toughness, and wear Add to Reading List Source URL: minerals.usgs.gov Language: English - Date: 1996-08-20 09:41:38 Refractory metals Transition metals Molybdenum Ferromolybdenum Tungsten Molybdate Jinduicheng Molybdenum Climax mine Chemistry Matter Chemical elements
316 $Transition metals / Refractory metals / Noble metals / Rhenium / Sulfide minerals / Molybdenum / Molybdenite / Porphyry copper deposit / Superalloy / Matter / Chemistry / Chemical elements$	RHENIUM By John W. Blossom In the past decade, the two most important uses of rhenium have been in platinum-rhenium catalysts used primarily in producing lead-free, high-octane gasoline and in hightemperature superalloys Add to Reading List Source URL: minerals.usgs.gov Language: English - Date: 1997-10-17 09:47:26 Transition metals Refractory metals Noble metals Rhenium Sulfide minerals Molybdenum Molybdenite Porphyry copper deposit Superalloy Matter Chemistry Chemical elements
317 $Transition metals / Refractory metals / Niobium / Tantalum / Coltan / Ferroalloy / Steel / Nickel / Superalloy / Chemistry / Matter / Chemical elements$	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
318 $Chemical elements / Refractory metals / Transition metals / Tungsten / Global Tungsten & Powders Corp. / Metals / Wolframite / Cantung Mine / Ore / Chemistry / Matter / Tungsten compounds$	2008 Minerals Yearbook TUNGSTEN U.S. Department of the Interior U.S. Geological Survey Add to Reading List Source URL: minerals.usgs.gov Language: English - Date: 2012-08-16 09:08:51 Chemical elements Refractory metals Transition metals Tungsten Global Tungsten & Powders Corp. Metals Wolframite Cantung Mine Ore Chemistry Matter Tungsten compounds
319 $Chemical elements / Refractory metals / Transition metals / Carbides / Tungsten / Cantung Mine / Cemented carbide / Ammonium paratungstate / Wolframite / Chemistry / Matter / Tungsten compounds$	TUNGSTEN By Kim B. Shedd Tungsten has a wide range of industrial uses. The largest use is as tungsten carbide in cemented carbides. Cemented carbides (also called hardmetals) are wear-resistant materials used by the meta Add to Reading List Source URL: minerals.usgs.gov Language: English - Date: 1998-09-30 12:59:47 Chemical elements Refractory metals Transition metals Carbides Tungsten Cantung Mine Cemented carbide Ammonium paratungstate Wolframite Chemistry Matter Tungsten compounds
320 $Transition metals / Refractory metals / Noble metals / Rhenium / Sulfide minerals / Molybdenite / Molybdenum / Superalloy / Ammonium perrhenate / Chemistry / Matter / Chemical elements$	RHENIUM By John W. Blossom In the last decade, the two most important uses of rhenium have been in platinum-rhenium catalysts used primarily in producing lead-free, high-octane gasoline and in high-temperature superalloy Add to Reading List Source URL: minerals.usgs.gov Language: English - Date: 2000-02-01 12:23:36 Transition metals Refractory metals Noble metals Rhenium Sulfide minerals Molybdenite Molybdenum Superalloy Ammonium perrhenate Chemistry Matter Chemical elements

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