How does a mineral block reach auction in India?

Exploration boreholes sample the deposit, tonnage and grade are estimated to UNFC standards (typically G3/G2 for auction), the lease boundary is demarcated with DGPS pillars, and the block is offered through transparent e-auction with its certified geological report.

What is UNFC resource classification?

The United Nations Framework Classification grades mineral resources by geological confidence — G4 reconnaissance through G1 detailed exploration — which determines whether a block qualifies for composite licence or mining lease auction.

What auction support does DH Geo provide?

Complete dossiers for CGM Gujarat, GMDC and private lessees: exploration programmes, UNFC estimation, DGPS boundary demarcation, geological reports and bid-side technical due diligence.

Mining Block Auction Services in Gujarat & Bengaluru | Mining Consultancy

Mining Consultancy Services

DH Geo Consultancy provides comprehensive mining services including exploration, resource assessment, mine planning, and environmental compliance. Our team combines geological expertise with modern technology to support mining operations across Gujarat and India.

Our Mining Services

Mineral Exploration

Geological mapping, prospecting, and identification of mineral deposits using modern exploration techniques.

Resource Assessment

Evaluation of mineral resources including reserve estimation, quality assessment, and economic viability studies.

Mine Planning

Development of comprehensive mine plans including pit design, extraction sequences, and operational strategies.

Environmental Compliance

Environmental impact assessments, clearance support, and sustainable mining practices implementation.

Mining Engineering

Technical support for mining operations including equipment selection, productivity optimization, and safety protocols.

Regulatory Support

Assistance with mining lease applications, statutory clearances, and compliance with mining regulations.

Technical Capabilities

Geological Mapping

Surface geological mapping
Structural geology analysis
Rock and mineral identification
Geochemical sampling and analysis

Exploration Methods

Geophysical surveys (magnetic, gravity, electrical)
Drilling supervision and logging
Trenching and pitting
Remote sensing applications

Resource Evaluation

JORC/UNFC compliant resource estimation
Geostatistical modeling
Quality control and assurance
Economic geology assessment

Mine Development

Feasibility studies
Mine design and optimization
Production planning
Waste management strategies

Applications

Coal Mining

Exploration, resource assessment, and mine planning for coal deposits including quality evaluation and environmental compliance.

Limestone & Building Materials

Assessment of limestone, granite, and other construction material deposits with quality specifications for industrial use.

Industrial Minerals

Exploration and evaluation of industrial minerals including bauxite, lignite, clay, and other economic minerals.

Groundwater Assessment

Hydrogeological studies for mining operations including dewatering strategies and water supply planning.

How a Mineral Block Reaches Auction

Interactive demonstration — step through exploration, resource estimation and DGPS demarcation to see how a block becomes auction-ready.

Geological mapping and exploration boreholes sample the deposit on a systematic grid across the identified block.
Assays and litho-logs feed a block model — tonnage and grade are estimated to UNFC standards (G3/G2 level for auction).
The lease boundary is demarcated with DGPS and permanent boundary pillars, and the geological report is compiled.
The block goes to transparent e-auction with its reference data — bidders rely on the certified geology to value it.

DH Geo prepares complete auction dossiers — exploration, UNFC estimation, DGPS demarcation and geological reports — for CGM Gujarat, GMDC and private lessees.

Mining Block Auction Services