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Geological Services
The leader in Geology and Mining consultancy
Your trusted mining partner
Geological Services

Geological Services

At HDJ Indonesia, our Geological Services deliver comprehensive solutions that integrate scientific expertise, advanced technology, and practical field experience to accurately assess and model mineral resources. We specialize in evaluating the quantity, quality, and distribution of mineral deposits to provide a reliable foundation for every stage of the mining lifecycle.

Our team conducts geological mapping, sampling, and core logging, followed by sophisticated 3D geological and resource modeling using industry-standard software. This allows us to visualize ore body geometry, identify key mineral zones, and assess geological risks with precision.

Beyond modeling, our services include resource classification and reporting in compliance with JORC and KCMI standards, ensuring that clients receive globally recognized and transparent results. These insights support feasibility studies, mine design, and strategic investment planning, helping clients make informed decisions with confidence.

By combining data accuracy, technical innovation, and sustainable principles, HDJ Indonesia’s Geological Services enable efficient resource utilization, minimize operational risks, and maximize project value across various commodities including coal, nickel, gold, bauxite, and iron ore.

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We are a group of experienced geology and mining professionals who have collaborated to deliver the best to the mining industry

HDJ team members hold “competent person” status for several local and international codes.
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Why Choose HDJ?

Your trusted mining partner

Exploration Support

Exploration plan optimisation, supervision (QA/QC)

Practical Mine Planning

Detailed, realistic mine plans tailored to operational conditions.

Robust Financial Modelling

Probabilistic approach reflecting impacts of price, OPEX, and CAPEX changes.

Beyond Reports

Execution support through short-term planning, monitoring, and control.

Problem-Solving Approach

Identifying bottlenecks and delivering innovative yet practical solutions.

True Partnership

Working with clients, not just for them, to achieve better outcomes.

Timely Delivery

On schedule, without compromising quality.

 Long-Term Relationships

Supporting clients even beyond project completion.

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HDJ Indonesia

We understand the requirement of the fast-changing mining world on the verge of next Industrial Revolution

3 Year

experience

Quality

of Products

After Sales

Service