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Donald G. Strachan, MSc, CPG
Consultant: 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.
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Curriculum Vitae Update: Mar 16, 2009
2007-2008 Uranium, Gold, Tellurium & Water Projects

Tellurium – 2008 regional and deposit evaluations.

From July through October 2008, initial property visits in Alaska, Nevada, and four Canadian provinces with numerous additional and detailed property-specific research in known and previously unknown districts, mines, deposits, and prospects in Europe, Africa, Asia, South America, North America, and elsewhere on the Pacific Rim.  This tellurium (Te) project is ongoing for the client.

Nevada

  • King Tonopah gold-silver deposit, Nye County - Tonogold Resources : Access early 1950's ore blocks; early production; develop additional tonnage.  Goal is 1M oz gold and 100M oz silver on TNGL and adjacent property ( www.tonogold.com - TNGL.OTC).
  • Tonopah Divide gold project, Esmeralda County - Tonogold Resources: LOI with Centerra complete.  Expect final Exploration Agreement in March, 2008 to develop epithermal gold veins, breccias, and disseminations.   Goal to infer 2M oz gold (www.tonogold.com - TNGL.OTC).
  • Hydrogeology of Walker River Basin, Nevada - Dynamic Action on Wells Group : Hydromodel & environmental data compilation, presentations, strategies, tactics and resolution for client.

Alaska

  • 2008: On-ground evaluations of multiple gold districts, Alaska – for client.
  • 2005-2007: Exploration of Nyac Gold District, southwest Alaska - Tonogold Resources: Grid geochemistry and geologic mapping in 2005-2006 covered 18 square miles and delineated 7 large areas of disseminated and potentially structural gold targets in Cretaceous intrusives and in Jurassic volcanics.  Eleven core holes drilled in 2006 established character of gold mineralization in Cretaceous intrusives and Jurassic volcanics.  Re-logging of core in 2007, in light of delayed assay results, suggests intrusive-related, structurally-focused disseminated gold targets will be delineated by very detailed aeromagnetic survey in 2008, along with additional district-wide geologic mapping (www.tonogold.com - TNGL.OTC).
Dakotas
  • Connors sandstone ISR uranium deposit - Prospect Uranium (Tonogold subsidiary): Complete acquisition.  18-month confirmation and development phase. Two year county, state, NRC permitting phase.  Production goal is 1M lb U3O8 per year beginning in 2012.  (www.prospecturanium.com ).
2002-2006 Mining Projects
  • Altintepe District ,  Northeast Turkey -  Evaluation of multiple, volcanic-hosted, Tertiary disseminated gold in high-level epithermal district.
  • South-Central Alaska - Economic geology of historic copper prospects for valuation purposes.
  • Churchill County , Nevada  - evaluation of large vein system with indicated reserves for client.
  • Eureka County , Nevada - mapping and target definition for a Cortez Hills-style gold property in Cortez-Buckhorn District for client.
  • Lyon County , Nevada - surface and drill evaluation of high-grade, Comstock-style veins for owner.
  • Nye County , Nevada  - evaluation of moderate grade, unconformity-style, oxidized, Tertiary gold deposit in Triassic Luning-hosted "karst".
  • San Bernadino County , California  - evaluation of mesothermal gold vein for owner.
  • Solano County, California - evaluating natural gas potential of several Rio Vista properties for client..
  • Tehama County, California- evaluating natural gas potential of 100-sq mile area for client..
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