Mine Geologist

JDS Energy & Mining•Challis, ID

About The Position

The Mine Geologist plays a critical operational role by tracking, mapping, and modeling the deposit to support profitable ore extraction while minimizing waste dilution. Working at the intersection of geoscience and mine engineering, the role covers daily grade control, structural mapping, blast-hole or face sampling, and updating active 3D geological block models to maximize mineral recovery.

Responsibilities

  • Conduct daily pit tours or underground face evaluations to define ore and waste boundaries, and issue instructions to shovel operators and mining crews.
  • Map active mine faces, benches, and underground developments to track structural controls, alteration zones, and lithological variations.
  • Supervise production sampling programs, such as blast-hole, sludge, or muck sampling, and oversee QA/QC protocols before samples are sent to the laboratory.
  • Integrate new structural data, assay results, and core-logging data to routinely update 3D geological and grade-control models using industry software.
  • Collaborate with the Mine Planning Engineer to compare actual mined grades and tonnages against predictive models and monthly production forecasts.
  • Assist in designing and executing short-range delineation and infill drilling programs to de-risk upcoming mining blocks.
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