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

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$Transition metals / Refractory metals / Tantalum / Niobium / Scrap / Hafnium / Coltan / Matter / Chemistry / Chemical elements$ Date: 2013-01-29 12:07:48 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 Download Document from Source Website File Size: 30,94 KB Share Document on Facebook