Mine Geologist

Job description

ASARCO Mission Mine is seeking an enthusiastic Mine Geologist to be part of a dedicated team focused on supporting copper production at a porphyry skarn copper deposit adjacent to Tucson, Arizona. The Mission Mine Geologist plays a critical role in supporting safe and efficient ore extraction by providing accurate geological interpretation, ore boundary definition, and field validation at a high-tonnage open-pit copper mine, which processes sulfide ore. Reporting to the Chief Mine Geologist, this position ensures that ore control decisions are informed by field observations and geological data, and that ore routing supports Mine-to-Mill optimization and performance. The Mine Geologist is instrumental in linking and integrating geology with operations, planning, and metallurgy to drive site-wide value generation. Key Responsibilities: - Conduct detailed pit mapping, geologic logging, and sampling with focus on lithology, structure, alteration, and mineralization, ensuring accurate material classification. - Define and update grade control polygons and ore/waste boundaries, ensuring ore is routed appropriately to mill, stockpiles, or waste deposition areas. - Support Mine-to-Mill ini...