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Mine Geologist Grade Control

Job in Marathon, Thunder Bay, Ontario, P0T 0B5, Canada
Listing for: JDS Group of Companies
Full Time position Listed on 2026-11-08
Job specializations:
  • Science
    Geology / Geoscience
Salary/Wage Range or Industry Benchmark: 90000 - 130000 CAD Yearly CAD 90000.00 130000.00 YEAR

Job Description & How to Apply Below

Location: Marathon

Apply grade control and geological modeling skills as a Mine Geologist supporting ore extraction and reduced waste dilution. Work across geoscience and mine engineering.

This Mine Geologist role focuses on daily operational geology and mineral recovery. You will define ore boundaries, map mine faces, supervise sampling, and update geological models. The position also supports production reconciliation and short-range drilling programs.

Key Responsibilities:
  • Conduct pit tours or underground face evaluations
  • Define ore and waste boundaries for mining crews
  • Map faces, benches, and underground developments
  • Supervise production sampling and QA/QC protocols
  • Update three-dimensional geological and grade-control models
Requirements:
  • Experience with daily ore control and grading
  • Knowledge of structural controls and alteration zones
  • Ability to oversee samples before laboratory dispatch
  • Ability to integrate assay and structural data
  • Capability to support delineation and infill drilling

Support accurate ore control, geological mapping, sampling, and modeling while helping maximize recovery and minimize dilution.

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