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												Donald G. Strachan, MSc, CPGConsultant: Economic Geology, Mining, & Hydrogeology
 Regional: Nevada, Great Basin, North America
 Global: Middle East, Asia, Africa
 
												Welcome to geostrachan.com!For services or proposals, see Donald.
 Website issues? Tell Scotty.
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												| Gold, Copper, and Strategic Metals – Regional, District, Mine, Deposit, and Prospect evaluations -  On-ground evaluations of economic geology have been completed and reported upon in Alaska, British Columbia, Yukon, Idaho, California, Nevada, Utah, Arizona, New Mexico, North Dakota, Nebraska, New Brunswick, Newfoundland, Peru, Russia, Turkey, Sudan, Eritrea, and Ethiopia. Additional exploration and mining properties were researched elsewhere in Europe, Africa, Asia, South America, North America, and islands of the Western Pacific. The search continues for economic gold, copper, uranium, and by-product metals and metaloids at operating mines and new deposits and prospects for clients. |  
												| Alaska
												Chandalar Au,  Eastern Brooks Range, AK (2011)Clear Creek CuAu,  Chistochina District, AK (2002)
 Eidemiller (Tjosevig) Cu,  Nizina District, AK (2001)
 Green Butte CuAg,  Nizina District, AK (2002)
 Motherlode-Coalition Cu , McCarthy District, AK (1999)
 Nyac Au,  Nyac District, AK (2007)
 Rainbow Au,  Goodpaster District, AK (2007)
 British Columbia
												Andrews AuAgCuCdPbTe, Omenica Division, BC (2010)Bertha AuTe, Greenwood Division, BC (2009)
 Big Hammer AuTe, Skeena Division, BC (2012)
 Big Onion Mo, Omenica Division, BC (2010)
 Black Bull AuTe, Omenica Division, BC (2010)
 Bonaparte AuTe, Kamloops Division, BC (2009)
 Deer Horn AuAgTeW, Omenica Division, BC (2010)
 Dentonia AuTe, Greenwood Division, BC (2009)
 Diamond Hitch AuTe, Greenwood Division, BC (2009)
 Emerald Glacier AgPbZnAu, Omenica Division, BC (2009)
 Gibraltar CuAu, Cariboo Division, BC (2008)
 Golden Crown AuTe, Greenwood Division, BC (2009)
 IXL-Emma AuTe, Omenica Division, BC (2010)
 King AuTe,  Liard Division, BC (2008)
 KRL AuTe,  Liard Division, BC (2008)
 Mount Polley CuAu, Cariboo Division, BC (2009)
 Nahmint CuAuTe, Alberni Division, BC (2010)
 Phoenix AuCuTe District, Greenwood, BC (2009)
 QR AuAgW, Cariboo Division, BC (2009)
 Spanish Mountain AuAgPbCuZn, Cariboo Division, BC (2009)
 Texada Island CuAuTe, Nanaimo Division, BC (2009)
 California
												Bagdad Chase AuTe, San Bernadino County, CA (2009)Cactus Au, Kern County, CA (2009)
 Chalfant Au Mill, Inyo County, CA (2010)
 Darwin PbZnAgWAuTe District, Inyo County, CA (2010)
 La Dama de Oro Au , San Bernadino County , CA (2003)
 Midas-Hall District Au, Shasta County, CA (2004)
 Occidental Group Au,  Imperial County, CA (2011)
 Rio Vista gas, Solano County, CA (2004)
 Hoff Ranch gas, Tehama County, CA (2004)
 Washington-Niagara Au, French Gulch District, Shasta County, CA (2004)
 Wolf Creek Au,  Plumas County, CA (2002)
 Eritrea
												Ugaro License Au , Baraka, Eritrea (1997) Ethiopia
												Lega Dembi AuTe , Adola Goldfield, Ethiopia (2008) Mexico
												Pinos AgAu, Zacatecas, Mexico (2008)Penasquito AuPbZnAgTe, Zacatecas, Mexico (2008)
 Plateros AgAu, Zacatecas, Mexico (2008)
 Nevada
												Borealis District AuTe , Mineral County, NV (2008)Como District AuAg , Lyon County, NV (2003)
 Douglas County Au (new), Douglas County, NV (2012)
 Fondaway Canyon AuW , Churchill County, NV (2003)
 Golden Arrow AuTe, Nye County, NV (2005)
 Gold Wedge Au, Manhattan District, NV (2005)
 Grantsville Summit Au , Nye County, NV (2003)
 HC Au, Cortez-Buckhorn District, Eureka County, NV (2004)
 King Tonopah AuAg, Tonopah District, Nye County, NV (2006)
 Mason Valley U, Lyon County, NV (2004)
 Masonic AuTe, Masonic District, CA-NV (2009)
 Mineral County Cu-Au (new), Mineral County, NV (2012)
 Mountain View Au, Deep Hole District, Washoe, NV (1999)
 NF Au, Tabletop District, Pershing County, NV (2003)
 North Springs Au, Mineral Ridge, Esmeralda NV (2005)
 Seven Troughs Au District, Pershing, NV (2003)
 Silver Reef, Corcoran District, Nye County, NV (2011)
 Tonopah Divide Au,  Tonopah Divide District, Esmeralda County, NV (2010)
 Walker Basin U, Lyon and Mineral Counties, NV (2005)
 Walker River Basin hydrogeology CA-NV – model, strategies, resolution (2000-2006)
 New Brunswick
												Brunswick ZnPbAgCuAu , Bathurst, NB (2008)Caribou-Restigouche ZnPbAgCuAu , Bathurst, NB (2008)
 Mount Pleasant WMoCuIn, South Fredricton, NB (2008)
 Sisson Brook WMoCu, Stanley, NB (2008)
 Newfoundland
												Beaverbrook Sb , NF (2008)Buchans VMS District, NF (2008)
 Ming CuPbZnAgAuTe, Baie Verte, NF (2008)
 Nugget Pond Au, Baie Verte, NF (2008)
 Pine Cove Au, Baie Verte, NF (2008)
 Rambler South AuCuTe, NF (2010)
 Viking Au, NF (2010)
 New Mexico
												Oro Grande Au , Otero County, NM (2009) North Dakota
												Conners U , Williston Basin, ND (2007) Peru
												Chipmo AuAgTe, Orcopampa District, Peru (2011) Russia
												Tenkin Au District, Siberia, Russia (2012) Sudan
												Dago Post Transect , Longochuk County, Upper Nile, Sudan (2009) Texas
												Round Top UREE , Sierra Blanca District, West Texas (2010) Turkey
												Altintepe Au , Fatsa District, Ordu, Republic of Turkey (2002) -  Gold geology and exploration Yukon
												Big Creek AuTe placers , Dawson Range, Yukon (2010)Revenue-Nucleus AuTe , Freegold District, Yukon (2010)
 Miller and Glacier creek Au placers , Sixty Mile District, Yukon (2010)
 Sonora AuCuTe , Dawson Range, Yukon (2010)
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