Precious Metals

 
Marston’s staff brings multiple years of hands on exploration and mining experience in precious metals.  This experience encompasses many deposit types and climatic settings in both open-pit and underground environments.
 

Exploration- From Grassroots to Production

  • Planning
  • Management - data management, drilling programs, QAQC programs, geochemical surveys and data handling
  • Evaluation of exploration
  • Qualified person services

 

Evaluation

  • Acquisition targets
  • Mineral audits
  • Due diligence - fatal flaw analysis
  • SEC, JORC, and NI43-101 reporting
  • Pre-feasibility studies
  • Feasibility studies

 

Resources and Reserves

  • Reviews
  • Estimation

 

Development

  • Geology - rock characterization studies (Ore, ARD)
  • Engineering - mine design, infrastructure analysis 

 

Mine Planning

  • Mine design
  • Scheduling, single –multiple mines
  • Ore control
  • Short- and long-range planning
  • Reconciliation studies

 

Financial Studies

  • Optimize-maximize NPV
  • Analysis
  • Cost trade offs
  • Capital cost evaluation
  • Operating cost evaluation
  • Risk analysis

Project Spotlight

 

Gold Open Pit

 

Newmont Gold Corporation

Minera Yanacocha Pit Design

Cajamarca, Peru

Challenge:  Newmont required assistance with mine planning and general mine engineering support for its Yanacocha gold mine in Peru.

Solution:  Marston provided detailed pit design and sensitivity analysis, recommendations for optimization of mine equipment fleets, and equipment cost analysis and forecasting.

 

Gold Resources of Nevada LLC

Precious Metals Exploration Project

Nevada, United States

Challenge:  Gold Resources of Nevada LLC required assistance in evaluating and prioritizing prospective target areas in northern Nevada.

Solution:  Marston conducted literature reviews and field investigations including property staking, geological mapping, and geochemical sampling.  Based on the results of these studies, Marston identified several high priority targets and proposed follow-up exploration drilling programs.