Specialised Services
Geology
Z Star will ensure that estimation is based on the geological model- & the foundation of any mineral resource estimate.
Sampling
Sampling is critical in terms of providing representative data for mineral resource estimation.
Data Management
Z Star experience has shown that robust management and storage of data is essential for accurate mineral resource estimation.
Modelling
Z Star can provide specialist modelling services to create 3D geology models that will form the basis for the estimation process.
Estimation
Z Star analysts are highly skilled in the use of geo- statistical mineral resource estimation techniques
Classification
Z Star will ensure all mineral resource estimates are assigned the correct levels of confidence
Governance & Assurance
Z Star can provide the applicable governance and assurance services tailored to each individual client’s needs.
Mineral Asset Valuation
Z Star professionals undertake the valuation of mineral assets to satisfy the mineral asset valuation codes
Software Development
Z Star provide tailor made software development solutions for the mining industry.
Our Global Footprint
SOME OF OUR VALUED CLIENTS
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Diamonds
A Sociedade Minera De Catoca LDA
Alexkor Limited
Amulet Diamonds (Pty) Ltd
Angola Technical Services Limited
BlueRock Diamonds PLC
Consulmet (Pty) Limited
De Beers Canada Incorporated
De Beers Consolidated Mines Limited
De Beers Group Services (Pty) Ltd
Finsch Diamond Mine (Pty) Ltd
Firestone Diamonds PLC
Jwaneng Mine: Debswana Diamond Company (Pty) Ltd
Kareevlei Mining (Pty) Ltd
Liqhobong Mining Development Company (Pty) Ltd
Letšeng Diamonds (Pty) Ltd
Lucapa Diamond Company (Pty) Ltd
Murowa Diamonds (Pty) Ltd
Namdeb Diamond Corporation (Pty) Ltd
Namakwa Diamond management Services (Pty) Ltd
Orapa Mine: Debswana Diamond Company (Pty) Ltd
Paleostone Mineral resource Consultants cc
Petra Diamonds Ltd
Rockwell Resources RSA (Pty) Ltd
Royal HaskoningDHV
Stellar Diamonds PLC
Trans Hex Group Limited
Marine Diamonds
Afri-Can Marine Minerals Corporation
De Beers Marine (Pty) Ltd
Debmarine Namibia (Pty) Ltd
Gold
AngloGold Ashanti
Randgold Resources Limited
Société d’Exploitation des Mines d’Or de Sadiola S.A
Marine Gold
AuruMar (Pty) Ltd
Seafield Resources Limited (NZ)
Uranium
MSA Geoservices (Pty) Ltd
Iron Ore
Kumba Iron Ore
Sishen Iron Ore Company (Pty) Ltd
Base Metals
Ambase Prospecting (Namibia) (Pty) Ltd
Black Mountain Mining (Pty) Ltd
Orion Minerals Ltd
Orion Services South Africa (Pty) Ltd
Rosh Pinah Zinc (Pty) Ltd
Skorpion Mining Company (Pty) Ltd
Vedanta Resources Plc
Industrial minerals
ARM SA (Pty) Ltd
Mafikeng Cement (Pty) Ltd
Consultants
ACA Howe International Limited
Coffey Mining (SA) (Pty) Ltd
Snowden Mining Industry Consultants (Pty) Ltd
Investment/Financial
Cadiz Financial Strategy Group
Nedbank Capital
Pala Investments Limited
Public Investment Corporation (PIC)
Standard Bank of South Africa Limited
Renewable Energy
Palmtree Power (Pty) Ltd
Phosphate
Clearphos Limited Kodal Minerals plc
Associates
The Tax Shop Accountants (SA) (Auditors)
The Tax Shop (Accounting)
Infestation (Marketing & Design)
Geovariances (Geostatistical software)
BDO Namibia (Accounting)
iSquared Technologies (ICT)
Other
Heritage Agency
Latest News
Like the rest of the world since early in 2020 we have been adapting to a new working environment and as our office lease was coming to an end we decided to continue working from home. Therefore, as of the end of September 2021 we vacated out offices in the Steenberg Office Park.
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
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 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...