Metals

Marston has the capability to provide a full suite of engineering services from exploration drilling through geological interpretation, reserve estimation, mine planning, reclamation and closure for the metals sector. Marston uses the latest innovations in mine planning software and has personnel who are experienced is running a wide variety of software including Vulcan, MEDSYSTEM, Mincom, Surpac, Whittle, XPAC, and SurvCADD. Marston is committed to adding value for clients by using a group of experienced professionals who are highly skilled at matching the client needs with the right resources.

Personnel at Marston have a strong background in metals operations including engineering, operations and senior level management. Marston has experience with numerous banking and financial investment institutions and fully understands what is required for pre-feasibility and bankable feasibility studies.

Exploration and Drilling Programs

• Analyze Existing Mines and Projects
• Exploration Data Analysis
• Perform Preliminary Geologic Reconnaissance Programs, Geologic Mapping, Geochemical and Geophysical Program Planning and Supervision
• Perform Property Evaluations and Preliminary Environmental Fatal Flaw Investigations
• Drilling Program Design and Management
• Write Bid Proposals for Drilling Contractors, Logistics Support and Analytical Laboratories
• Establish Communications Systems
• Provide Qualified Geologists to Log Core or Cuttings, Select Samples and Prepare for Analysis

Reserve/Resource Estimation

• Interpretation and Development of Geologic Models
• Geostatistical Analysis of Data for Grade Estimation
• Develop and Input Cost/Revenue Data for all Reserve Blocks
• Calculate Economically Based Reserves and Resources
• Reconciliation of Reserve Models to Actual Mine Production

Geotechnical Analysis

• Geotechnical Assessment of Conditions (Geology, Structure, Rock Strength, Rock Quality, Ground Water, and Natural Hazards)
• Provide Definitive Slope Recommendations and Work Practices
• Development of Underground Hazard Maps

Open Pit Optimization

• Develop Economically Based Ultimate Reserve Pit (LG/Whittle)
• Evaluate Ore Cut Off Criteria
• Evaluate and Develop Ore Stockpiling Alternatives
• Design Pit Phases to Maximize NPV and/or Other Production Constraints
• Sequence Mining Production for Optimum Mine and Mill Performance

Underground Mining Services

• Infrastructure and Site Facility Design and Construction Management
• Mine Dewatering Program Design and Implementation
• Mine Ventilation Systems Design
• Selection of Underground Mining Method
• Pillar Design, Subsidence and Other Ground Control Evaluations

 Mine Planning and Development

• Feasibility Studies

• Production System Design
• Evaluation, Selection and Specification of Mining Equipment
• Ore Quality Forecasting
• Operation and Safety Audits
• Infrastructure and Site Facility Design and Construction Management
• Mine Infrastructure System Design
• Survey Control Standards, GIS and other mapping Support

Mine Management/Operations Support

• Equipment Justification and Optimization

• Review of Equipment and Manpower Utilization
• Safety and Operation Audits
• Contract Documents and Contract Assistance
• Procedures and Operations Training
• Strategic Planning Reviews
• Project Management
• Management Evaluations
• Productivity Benchmarking
• Resource Asset Management Services (RAMS)

Economic Analysis

• Capital Cost Forecast/Analysis
• Operating Cost Forecast/Analysis
• Project NPV and DCF/ROI Calculations
• Equipment and Facility Evaluations
• Valuation of Mineral Resources

Environmental

• Site Characterization
• Mine Permitting
• Baseline Studies
• Environmental Audits
• Reclamation Planning and Compliance Monitoring