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Mr. David Thomas

  • Forename: David
  • Surname: Thomas
  • Primary Position: Senior Mine Engineer
  • Secondary Position: Acid Mine Drainage Specialist

Brief CV

Experienced mining executive with thirty years of broad-based experience worldwide in senior level management, including mine-related project development, finance, banking and advisory, engineering, construction and operations. Held various positions including VP-Technical Service with PT Freeport Indonesia, VP-Operations with Southern Peru Copper Corporation, VP and Technical Director with Mellon Bank, operating/engineering jobs with Kennecott Copper. FREEPORT INDONESIA, IRIAN JAYA (WEST PAPUA), INDONESIA, 2000-2001 PTFI produced 1.6 billion pounds of copper and 3.5 million ounces of gold in 2001, at a net cash cost after gold credits of $0.07 per pound. Vice President-Technical Services Responsible for hydrology, geotechnical monitoring and control, including slope, dump stability and underground block caving; tailings management; implementing an acid rock drainage (ARD) strategy for on-going control of ARD during mining as well as the preparations necessary for mine closure, reclamation and post mining sustainable land use of the mine site; review and approval of all capital expenditures; coordination with engineering and construction group on all major E & C projects. SOUTHERN PERU COPPER CORP, PERU, 1977-1987 and mid-1997-1999 SPCC produced 755 million pounds of copper in 2001 at a net cash cost after moly and silver credits of $0.49 per pound. Vice President-Operations, 1997-1999 Responsible for all company’s Peruvian operations, including two mines, two concentrators, smelter, refinery, SX-EW; environmental services; tech services; administrative services; safety; liaison and coordination on all project engineering, expansion and construction activities. Achievements during tenure as VP-Operations include a reduction in cash cost from $0.57/lb to $0.48/lb; expanded Cuajone mine and concentrator from 64K to 96K tons/day ore; expanded Toquepala SX-EW plant capacity from 50K tpy cathode to 62.5K tpy cathode; reduced accident frequency by 50%; reduced workforce by 1,000; began implementation of modernization and upgrade of mining equipment fleet. From 1977 to mid-1987 held the following positions of increasing responsibility at SPCC: Asst. Mine Manager, Mine Manager, Chief Engineer, Area Manager, Toquepala. gainville Copper and Amselco Minerals.


  • BSc, Mining Engineering - University of Utah. Held D.C. Jackling Scholarship MSc, Mineral Resources Engineering - University of Minnesota Held E.J. Longyear Scholarship

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