Mineral Reserve Estimation Compliant with International Standards
Ensuring Precision and Alignment with Global Codes
Constructing 3D geological wireframe models of orebodies and classifying reserves in accordance with international standards — empowering confident project governance and securing institutional investment.
Key Challenges Addressed by Mineral Reserve Estimation
01
Inaccurate Reserve Valuations
Application of advanced 3D geological modeling and geostatistical analysis to deliver verified calculations of mineral volumes and grade distribution.
02
Uncertainty in Processing and Mining Method Selection
Selection of optimal extraction sequences and processing flowsheets based on 3D spatial models, maximizing overall economic efficiency.
03
Low Calculation Reliability and Confidence
Rigorous evaluation of data confidence limits to eliminate critical errors and elevate prospective forecast precision.
04
High Mining Expenditure and Operational Inefficiencies
OPEX and CAPEX reduction driven by precise structural understanding of the deposit and optimized mine scheduling.
How is the Mineral Reserve Estimation Process Conducted?
Mineral reserve estimation is executed in strict compliance with international standards (CRIRSCO: JORC, NI 43-101, SAMREC, KAZRC) to deliver a substantiated asset evaluation and maximize the project's investment attractiveness.
The process encompasses four key stages:
- Data Aggregation and Synthesis — analysis of drilling, geophysical, and analytical assay datasets to construct the primary geological framework;
- 3D Subsurface Modeling — construction of a digital 3D geological model delineating mineralized envelopes, data confidence domains, and reserve boundary limits;
- Classification and Technical-Economic Calculations — reserve categorization under international codes and selection of optimal mining and processing parameters;
- Technical Reporting — compilation of an audit-ready final deliverable featuring complete reserve statements, 3D graphical outputs, and strategic recommendations tailored for investor defense.
The Result — The client receives a verified 3D deposit block model, a substantiated mineral reserve estimate, operational extraction recommendations, and a technical report matching global regulatory standards.
Early-Stage Exploration Optimization
Delivering end-to-end solutions for high-precision mineral reserve estimation through advanced 3D subsurface modeling workflows.
Key services
01
Geological Due Diligence
02
Project audit and evaluation
03
Planning of geological exploration work
04
Solid mineral resource estimation
05
Inventory counting in accordance with international standards
06
Feasibility study in accordance with the CRIRSCO standard
The Importance of International Standard Mineral Reserve Estimation
Mineral reserve estimation is a fundamental milestone in the lifecycle of any mining asset. The accuracy of these calculations dictates not only deposit development prospects, but also its market valuation, financial projections, and long-term operational strategy. Recognized international reporting codes — such as JORC, CRIRSCO, and NI 43-101 — provide a unified framework for reserve determination, confidence classification, and data documentation.
For operating companies and financial institutions, reserve estimation compliant with global standards serves as assurance that technical reporting is built on audited, verified methodologies acceptable across all major financial jurisdictions. GeoJet Group strictly adheres to these frameworks, integrating international reporting rigor with extensive operational experience across Kazakhstan, Central Asia, Africa, and Eurasia to deliver globally recognized, transparent project documentation.
Our Workflow & Operational Methodology
The process initiates with primary dataset collection and audit: reviewing geological reports, drilling logs, geophysical surveys, and laboratory assay certificates. We evaluate data completeness and quality, auditing field execution methodologies and analytical QA/QC procedures. At this stage, potential discrepancies are resolved and parameters are refined, ensuring subsequent modeling relies on a validated foundation.
Next, 3D spatial modeling is performed. Utilizing specialized mining software, we construct a digital geological model reflecting orebody morphology, structural controls, and mineralized domains. Wireframe modeling enables exact boundary delineation, volume calculations, and spatial grade distribution analysis — essential components for evaluating downstream extraction viability.
Following model completion, mineral reserve estimation and classification are executed under international standards (CRIRSCO: JORC, NI 43-101, SAMREC, KAZRC). Where required, results are reconciled with national classification systems, ensuring documentation is suitable for state regulatory submissions and licensing requirements.
The final phase entails technical reporting and deliverable compilation. The resulting Technical Report includes comprehensive narrative sections, geological cross-sections, grade distribution plans, block model visualizations, and verified reserve matrices. The document is formatted strictly to international standards, fully audit-ready for presentation to institutional investors, financial institutions, stock exchanges, or state regulatory commissions.
Key Benefits and Client Deliverables
Upon completion, the client receives more than raw calculations — they gain an integrated analytical baseline for strategic decision-making.
Mineral reserve estimation compliant with international standards ensures data comparability, methodology transparency, and high credibility among institutional partners. By synthesizing geological, geophysical, and economic analyses, operating companies gain a realistic, risk-mitigated understanding of deposit structure and development prospects.
GeoJet Group applies a systematic framework integrating geology, geophysics, geochemistry, and satellite remote sensing. We execute QA/QC protocols across all operational stages, utilizing geostatistics and 3D spatial modeling to deliver complete reproducibility of results and minimize technical uncertainty.
International reserve estimation also acts as a powerful cost-optimization tool, enabling precise capital planning for downstream development phases, logistics, and processing flowsheets. Over the long term, this reduces operating expenditures (OPEX) and enhances overall project economic resilience.
Why GeoJet Group
Our engineering and technical teams combine international best practices with an in-depth understanding of regional geological settings and ore genesis controls.
We adhere strictly to transparent valuation methodologies, utilize state-of-the-art mining and 3D modeling software, and compile technical reports fully compliant with international reporting standards (CRIRSCO: JORC, NI 43-101, SAMREC, KAZRC). This guarantees seamless integration of evaluation outputs into all downstream operational, engineering, and mine planning phases.
Conclusion
Mineral reserve estimation compliant with international reporting codes is far more than a volume calculation — it is the evidentiary foundation that establishes trust between subsoil users, financial institutions, and investors.
GeoJet Group unites scientific precision, field-proven expertise, and advanced digital technologies to build a robust framework for strategic mineral asset management. Our technical reports empower companies to make data-driven, risk-mitigated decisions rather than relying on assumptions, ensuring confident development of mining projects across any scale or geological complexity.
