Jacobus M. Jansen van Rensburg (Cobus)
Mineral Resource Management/Geological Consultant
Skills
• Management
• Consultancy
• Auditing
o ISO 9001:2015
o ISO 14001:2015
o Mineral Resource Management functions and processes
o Ore Flow Accounting
o Reserves and Resources Compliance Audits (SAMREC, JORC).
o Mine Call Factor
o Grade Control
o Assay Laboratory Audits
o Quality Control and Assurance in Mineral Resource and Reserve
o Sampling
• Staff Development
o Training
o Lecturing - University
o Coaching and Mentoring
o Career Development
• Technical
o Surface and underground geological/geotechnical mapping and core logging
o Geological Interpretation of structure and grade distribution patterns
o XRF & XRD
o Project Geology
o Strata Control Support systems design
o Local Kriging
o Macro Kriging
Professional Experience
• Mineral Resource Management – Precious Metals South Africa
• Mining Geology Manager – Underground Goldmines – South Africa
• Geology Exploration – Coal – South Africa
• Geological Field Mapping – Various sites South Africa
• Grade Control/Resource and Reserve Audits – Manganese – South Africa, India
• Resource and Reserve Audits – Coal – South Africa
• Resource and Reserves – Copper, Cobalt – The Democratic Republic of the Congo
• Resources sampling Platinum and Chrome
• Lecturing – Geology at North-West University
• Consulting and Training Companies (ISO and South African Qualifications Authority, Mining Qualifications Authority accredited) Founder and Managing Director
Professional Bodies
• Member of Geological Society of SA
• Member of Mineralogical Society of SA
• Member of South African Council for Natural Scientific Professions (Pr.Sci.Nat) Nr 400098/00
• Member of South African Institute for Mining and Metallurgy (SAIMM)
Education – South Africa
• Graduate Diploma in Engineering – University of the Witwatersrand
• Management Development Programme – University of Stellenbosch
• BSc (Geology and Chemistry Majors) – North-West University
• BSc (Hons) Geology – North-West University
• MSc (Environmental Sciences) – North-West University
• ISO 9001 2015 Auditor in Training
• ISO 14001: 2015 Auditor in Training
• Assessor SAQA ID 231846US
• Moderator SAQA ID 231846US





