We offer specialist mineral resource services to the global exploration, mining and investment communities.

We offer specialist mineral resource services to the global exploration, mining and investment communities.

We offer specialist mineral resource services to the global exploration, mining and investment communities.

Specialised Services

Geology

Z Star will ensure that estimation is based on the geological model- & the foundation of any mineral resource estimate.

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Sampling

Sampling is critical in terms of providing representative data for mineral resource estimation.

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Data Management

Z Star experience has shown that robust management and storage of data is essential for accurate mineral resource estimation.

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Modelling

Z Star can provide specialist modelling services to create 3D geology models that will form the basis for the estimation process.

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Estimation

Z Star analysts are highly skilled in the use of geo- statistical mineral resource estimation techniques

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Classification

Z Star will ensure all mineral resource estimates are assigned the correct levels of confidence

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Governance & Assurance

Z Star can provide the applicable governance and assurance services tailored to each individual client’s needs.

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Mineral Asset Valuation

Z Star professionals undertake the valuation of mineral assets to satisfy the mineral asset valuation codes

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Software Development

Z Star provide tailor made software development solutions for the mining industry.

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Our Global Footprint

Based on many years’ experience in the mineral resource sector, Z Star firmly believes that there is a unique solution for each client and every project. We therefore encourage open discussion on each client’s requirements to ensure a clear understanding prior to an agreement on deliverables.

Latest News

Johan leaves Z* to explore new opportunities

Johan van Zyl worked closely with Z* directors on west coast diamond operations in Oranjemund and Kleinzee before joining Z* when it was formed in June 2008. In addition to extensive geostats skills, Johan also looked after many of our our clients GIS needs. Johan...

Z* celebrates 10 Years

Z* celebrates 10 Years

On the 1st of July 2018 Z* celebrated their 10th birthday. In the world of consulting a decade is actually a long time and we are very proud of this achievement. Coming together to start Z* was a little daunting as we were surrendering the security of a large...

Angolan geologists visit Cape Town

Angolan geologists visit Cape Town

Angolan geologists have commenced the second practical phase of specialist training in sampling optimisation and mineral resource estimation, this time at the Z* Cape Town office. This follows an initial training phase completed on site in Angola. Despite...

Another Northern Cape Project

Another Northern Cape Project

Following work undertaken for Kumba on their Sishen mine Z* was asked to update the Kolomela Mineral Resource. The evaluation of Kolomela, situated in the Northern Cape near Postmasburg, involved Johan and David in detailed and complex...