Accountig/Audit/Tax/Finance

Resource Estimation

How Much Is Really in the Ground? Get a Number You Can Defend.

Tonnes and grade are the foundation of every mining investment. MSA Consulting turns your drilling and sampling data into rigorous mineral resource estimates — modelled, classified, and reported to standards that investors, lenders, and regulators trust.

Data-DrivenValidated Inputs Only
3D ModelledGeology & Grade
ReportableIndustry-Standard Output

Data Compilation & Validation

An estimate is only as good as its data — we build and clean the database it will stand on.

  • Drill hole database compilation & auditing
  • Collar, survey, assay & geology validation
  • QA/QC data review & acceptance
  • Historical data capture & verification

3D Geological Modelling

The deposit rebuilt digitally — lithology, structure, and mineralised zones in a coherent 3D model.

  • Lithological & structural wireframing
  • Mineralisation domain interpretation
  • Weathering & oxidation surface modelling
  • Cross-sections & level plan production

Grade Estimation & Block Modelling

Statistically sound grade estimates built into block models ready for mine planning and economics.

  • Statistical & geostatistical analysis
  • Kriging & inverse distance estimation
  • Block model construction & validation
  • Density assignment & tonnage calculation

Resource Classification & Reporting

Resources classified by confidence and reported in line with international standards investors recognise.

  • Inferred, Indicated & Measured classification
  • Reporting aligned to JORC / NI 43-101 principles
  • Cut-off grade & reasonable prospects assessment
  • Resource statements & supporting documentation

Grade Control & Reconciliation

For operating mines — keeping predicted grade and actual production honest with each other.

  • Grade control sampling & modelling support
  • Ore/waste boundary definition
  • Mine-to-mill reconciliation analysis
  • Model updates from production data

Resource Audits & Reviews

Independent second opinions on existing estimates — for buyers, investors, and boards that need certainty.

  • Independent resource estimate reviews
  • Due diligence for acquisitions & investment
  • Gap analysis against reporting standards
  • Upgrade roadmaps to raise confidence levels

Our Estimation Workflow — From Database to Declared Resource

A transparent, auditable chain from raw drill data to a classified resource statement.

1

Validate

Database built, audited & QA/QC accepted before anything is modelled.

2

Model

Geology & mineralised domains interpreted in 3D.

3

Estimate

Grades estimated into a validated block model with tonnages.

4

Classify & Report

Confidence-based classification & a defensible resource statement.

Drilling done and data in hand? Turn it into a declared resource.

Request a Resource Estimate