Monte Negro Pit at Pueblo Viejo

Mining Services

Dr. Schafer managed more than 250 projects involving the environmental aspects of mining. His projects have included:

prediction, prevention, and control of acid drainage and metal leaching (AD/ML);
mine closure and reclamation of waste rock, tailings, underground and open pit mines, and leached ore piles;
process solution decommissioning; prediction of pit lake chemistry;
baseline studies and permitting;
and groundwater and vadose zone monitoring programs.

Strongly acidic copiapite and other minerals coating underground mine wall

He has worked globally and has extensive regulatory experience in the US including Nevada, Montana, South Dakota, South Carolina, Arizona, Colorado, New Mexico, Idaho, Utah and Washington.  Capabilities include:

Baseline geochemical characterization
Acid Drainage (AD) and Metal Leaching (ML)
AD/ML mitigation and control
Pit lake studies
Environmental performance of paste tailings
Contaminant fate and transport studies
Surface and groundwater water quality evaluations
Facility closure planning
Historic mines & CERCLA investigations
Regulatory support

Partial Client List

Mining Companies  Mining Companies (continued)  State and Federal Agencies
 American Vanadium  Magma Copper US Bureau of Land Management
 Anglo Gold  McEwan Mining US Forest Service
 Arizona Mining  Meridian Gold US Bureau of Mines
 Augusta Rosemont  Montana Resources US Bureau of Indian Affairs
 Barrick Gold  Newmont Gold US Environmental Protection Agency
 Canyon Resources  Noranda US Fish and Wildlife Service
 Centerra  Nyrstar Montana Dept. of Environmental Quality
 Cominco  Oceana Gold Montana Dept. of Natural Res. and Cons.
 Cripple Creek & Victor  Placer Dome South Dakota DENR
 Echo Bay  Phelps-Dodge Office of the Governor, Montana
 Goldcorp  Romarco Minerals Wyoming Department of Env. Quality
 Hecla  Thompson Creek
Meridian Gold  Transalta Energy
Newmont  Twin Metals
 Homestake Mining  Western Energy
 Kennecott  Westmoreland
Kinross  Wharf Resources
LAC Minerals