Senior Mine Geologist

Lefa

Country

Guinea

work Schedule

Watch 60/30 days

Category

Engineers/Specialists

Allocated

23 November 2020

Operational Responsibilities

  • Direct supervision of all aspects of the mining process according to plans and schedules
  • Direct supervision of Geology Supervisors, Ore Spotters and drill subcontractors
  • Plan Drilling / trenching / sampling campaigns
  • Update plans as drilling is completed. Ensure communication of this to other relevant mining departments
  • Liaise with drilling contractor to ensure appropriate safety, drill and sampling procedures are followed
  • Rompad management of stockpiles and material coming to the ROM
  • Liaising with processing and mine planning to decide on blend strategies
  • Liaising with mining to ensure equipment is available for geological needs

Geological Modelling and Data Collection Responsibilities

  • Validate drill holes and other data retrieved from the DataShed database
  • Create Geological and mineralization interpretations in 2D and 3D models using Leapfrog and Datamine
  • Update regolith surface based on logging in Leapfrog for correct density assignment
  • Validate all wireframes created for Estimation
  • Ensure density and moisture sampling is collected when/where required

Estimation and Reconciliation Responsibilities

  • Grade estimation and evaluation in Ore Controller
  • Generation of ore dig plans and strings and ensure that they are of the highest precision and makes use of all available data
  • Create Medium Term (1month-3month) Mine Planning hybrid models for Mine planning
  • Reconciliation tasks include
    • Between the various models
    • EOM reporting of Mined Tonnes and Stock pile balancing
    • Wenco database vs production

Reporting Responsibilities

  • Daily planning updates
  • Liaison with mine planning to understand weekly targets and plan accordingly
  • Dispatch team and geology technicians have the updated dig plans before mining commences.
  • Reconciliation report for GC, Resource and Mining models on all updated flitches
  • Assist with quarterly presentations and data reviews
  • Maintenance of filing system for grade control RC drill sections and plans, ore dig plans and any other plans for future references

Blast Movement Responsibilities

  • Planning of BMMs with drill and blast
  • Signing off of blast patterns and blast designs to ensure they minimize dilution
  • Monitor the effect of blast movement on mining blocks using BMT
  • Post monitoring updates to strings. Plans showing initial outlines and outlines after blasting should be plotted for any necessary reviews
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