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51	Microsoft PowerPoint - Burnthill_Web_FinalVersion.ppt Add to Reading List Source URL: www.gnb.ca Language: English - Date: 2006-07-19 07:48:53 Economic geology Igneous rocks Sulfide minerals Greisen Cassiterite Wolframite Ore Tin Granite Matter Chemistry Crystallography
52	Conflict minerals – An evaluation of the Dodd-Frank Act and other resource-related measures Freiburg, August 2013 Add to Reading List Source URL: bdi.eu Language: English - Date: 2014-03-17 11:46:00 Africa Oxide minerals Conflict minerals Minerals Mining in Rwanda Coltan Democratic Republic of the Congo Wolframite Second Congo War Matter Chemistry Mining in the Democratic Republic of the Congo
53 $Chemical elements / Mining in the Democratic Republic of the Congo / Refractory metals / Transition metals / Coltan / Conflict minerals / Tantalum / Wolframite / Columbite / Matter / Chemistry / Oxide minerals$	The Japanese Electronics Industry’s Efforts on Conflict Minerals May 16, 2013 International Affairs Department Japan Electronics and Information Technology Industries Association (JEITA) Add to Reading List Source URL: home.jeita.or.jp Language: English - Date: 2013-05-22 21:41:44 Chemical elements Mining in the Democratic Republic of the Congo Refractory metals Transition metals Coltan Conflict minerals Tantalum Wolframite Columbite Matter Chemistry Oxide minerals
54	Conflict minerals – An evaluation of the Dodd-Frank Act and other resource-related measures Freiburg, August 2013 Add to Reading List Source URL: www.oeko.de Language: English - Date: 2013-09-10 07:48:28 Africa Oxide minerals Conflict minerals Minerals Mining in Rwanda Coltan Democratic Republic of the Congo Wolframite Second Congo War Matter Chemistry Mining in the Democratic Republic of the Congo
55	PDF Document Add to Reading List Source URL: www.itia.info Language: English - Date: 2011-07-09 10:51:07 Oxide minerals Hübnerite Ferberite Wolframite Russellite Tungsten Scheelite Tungstate Stolzite Chemistry Matter Crystallography
56	PDF Document Add to Reading List Source URL: www.itia.info Language: English - Date: 2012-07-04 11:48:36 Chemistry Ore Wolframite Hübnerite Panasqueira Tungsten Vein Greisen Ferberite Economic geology Geology Matter
57	PDF Document Add to Reading List Source URL: www.itia.info Language: English - Date: 2014-07-23 05:39:43 Economic geology Geography of Portugal Panasqueira Tungsten Wolframite Cassiterite Ore Mining Stoping Chemistry Matter Crystallography
58	PDF Document Add to Reading List Source URL: www.itia.info Language: English - Date: 2013-02-19 13:04:40 Geology Stoping Ore Wolframite Mineral exploration Mittersill mine Open-pit mining Tailings Vein Underground mining Mining Economic geology
59	PDF Document Add to Reading List Source URL: www.itia.info Language: English - Date: 2011-07-09 10:51:30 Ore Skarn Breccia Tungsten Greisen Hydrothermal circulation Porphyry Wolframite Igneous rock Economic geology Geology Petrology
60 $Transition metals / Tungsten compounds / Economic geology / Refractory metals / Wolframite / Tungsten / Smelting / Trewhiddle / Tungstate / Chemistry / Matter / Chemical elements$	PDF Document Add to Reading List Source URL: www.itia.info Language: English - Date: 2011-07-09 10:50:02 Transition metals Tungsten compounds Economic geology Refractory metals Wolframite Tungsten Smelting Trewhiddle Tungstate Chemistry Matter Chemical elements

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