What we do

About US

Grace has 107 years of combined experience in the mining industry. We are a dedicated team of professionals that focuses mainly on geological sciences which range from green fields exploration and resource definition to mineral exploitation.

What we do

Grace serves to meet your Mineral Resource and Reserve Consulting needs.

Where we do it

Our HQ is based in Parys, Free State but our team members are located all over South Africa and happily travel to our clients all over Africa.

Achievements

Grace boasts with some of the most qualified Geologists in Africa on our staff. We have a highly motivated team that looks forward to any challenge you can throw at us.

Our Customers

Grace works with organisations on all levels from Private Consultation to large Mining Corporations. We have serviced many of the largest mines in Africa.

Proven Track Record

Project Experience

Experienced, qualified and registered:
- Geoscience
- Rock Engineering
- Mine Planning
- Survey professionals

Consulting in areas like:
- MRM legal and COP compliance audits
- Ore Accounting and MCF audits
- COP for Rock Slope Stability
- Management of Diamond and/or RC drilling projects
- Grade control audits

Outsourcing of MRM functions:
- Logging, Mapping, Sampling
- Surveying
- Data Capturing
- QA QC and general sampling protocol on RC and DD rigs

Consultants

Meet Our Professionals

JACOBUS M. JANSEN VAN RENSBURG

Mineral Resource Management & Geological Consultant

Colin Peter Botha

Survey Consultant

KOOS PIENAAR

Geology Consultant

MIKE ARMSTRONG

Mineral Resource Management / Survey / Planning Consultant

Ignatius Bisschoff

Rock Engineering & Geostatistics Consultant

Louis Kruger

Geology Consultant

HANSIE ENGELBRECHT

Mineral Resource Management / Survey / Planning Consultant

Our Clients

Trusted by corporations throughout Africa

Get In Touch

For any additional information please feel free to contact us below.

14 Alleman Street, Parys,
Free State, South Africa, 9585
+27 56 811 3464
info@graceminingconsultants.com

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

Colin Peter Botha

Survey Consultant

Skills

• Management
• Consultancy
• Auditing
• Staff Development
o NQF MTS Facilitator
• Technical
o Exploration sampling
o Mine sampling (gold)
o Geological Mapping
o Local Evaluation estimates (local kriging)

Professional Experience

• Various exploration projects within South Africa
• Gold Mine sampling
• Gold Mine evaluation (Locals)

Education – South Africa

• Chamber of Mines Elementary Survey
• AGA Geostatistics
• Graduate Diploma in Mining Engineering – University of Witwatersrand
• Mineral Resource Management Certificate – University of Witwatersrand

Jacobus Conradie Pienaar (Koos)

Geology Consultant

Skills

• Management
• Consultancy
• Exploration
o Design and manage drilling campaigns
o 3D deposit modelling
o QA/QC and database management
o Ensure SAMREC and JORC compliance
o Sampling
• Staff Development
o Training
o Career Development
• Technical
o Surface and underground mapping and structural interpretation
o Mineral, structural and geotechnical core logging
o RC chip logging and sampling
o QA/QC control on any drilling project, including the use of standards, blanks and duplicates.

Professional Experience

• 19 Years’ experience in various Wits gold mines. Mapping, drilling and general geological control of shaft sections.
• Resource drilling sampling programme on an underground Free State gold mine.
• Database management at a zinc mine in Namibia.
• Exploration Manager – Iron ore and gold exploration – Ghana and Liberia
• Geological Field Mapping – Various sites in Liberia and South Africa
• Resource sampling - Iron ore deposits – Kolomella mine Northern Cape
• Consulting and Training for MQA accredited Company

Professional Bodies

• Member of South African Council for Natural Scientific Professions (Pr.Sci.Nat) Nr. 400139/94

Education – South Africa

• B.Sc. Honours Geology – Rand Afrikaans University
• M.Sc. Geology – Rand Afrikaans University
• Facilitator SAQA US 117871
• Assessor SAQA US 115753

Michael Wayne Armstrong (Mike)

Mineral Resource Management/Survey/Planning Consultant

Skills

• Management
• Consultancy
• Auditing
o Mineral Resource Management functions and processes
o Ore Flow Accounting
• Staff Development
o Coaching and Mentoring
o Career Development
• Technical
o Mine Survey
o MRM
o Analyzing mining trends
o Estimate production outputs and reconcile
o Two-Year Operational Plan and LoM planning
o Management of the plans

Professional Experience

• Surveyor-General – Zimbabwe – Cartographer
• Base Metals – Zimbabwe – Underground Mine Surveyor
• Diamonds – Botswana – Open Cast and Underground Mine Surveyor
• Precious Metals – South Africa – Senior Manager, Mineral Resource Management

Professional Bodies

• Member of Institute of Mine Surveyors South Africa
• Member of South African Geomatics Council

Education – South Africa

• MEng – University of Witwatersrand
• Management Development Programme – University of Stellenbosch
• Graduate Diploma in Engineering – University of Witwatersrand
• Mine Surveyor’s Certificate of Competency No. 1721
• Assessor SAQA ID 231846US

Ignatius Bisschoff (Ig)

Rock Engineering/Geostatistics Consultant

Skills

• Management
• Consultancy
• Auditing
o Performed internal resource audits: SAMREC and JORC codes
o Quality Control and Assurance of samples used in the estimation
o Assay Laboratory Audits
o Peer reviews of diamond drill exploration borehole samples
• Staff Development
o Presented in-house geo stats courses
• 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

• Academic & Geology Research (North-West University and COMRO)
• Mining Geology
• Chemical R&D and Quality Control Laboratories Naschem
• Rock Engineering – Hard Rock Underground
• Mineral Resource Estimation – Geoscience Manager (Evaluation) – Precious Metals

Professional Bodies

• Member of South African Council for Natural Scientific Professions (Pr. Sci.Nat) Reg no: 400103/88
• Member of Geological Society of SA

Education – South Africa

• BSc (Geology and Chemistry Majors) – North-West University
• BSc (Hons) Geology – North-West University
• Chamber of Mines Rock Engineering Practitioners Certificate No. 303
• Graduate Diploma in Engineering – University of Witwatersrand
• Geostatistical Training Endorsed by GASA
• Assessor SAQA ID 231846US

Louis Kruger

Geology Consultant

Skills

• Management
• Consultancy
• Exploration
o Design and manage drilling campaigns
o 3D deposit modelling
o QA/QC and database management
o Ensure SAMREC and JORC compliance
o Sampling
• Staff Development
o Training
o Career Development
• Technical
o Surface mapping and structural interpretation
o Mineral and geotechnical core logging
o RC chip logging

Professional Experience

• Exploration Geology Manager – Iron ore deposit – Mauritania
• Geological Field Mapping – Various sites in Mauritania and South Africa
• Resource and geotechnical drilling campaign manager - Iron ore deposits – Mauritania
• Resource sampling - Iron ore deposits – Mauritania
• Consulting and Training for MQA accredited Company

Professional Bodies

• Member of Geological Society of SA
• Member of South African Council for Natural Scientific Professions (Pr.Sci.Nat) Nr. 116217

Education – South Africa

• Research History: Structural Geology Honours Dissertation – Nelson Mandela Metropolitan University
• B.Sc. Geology Honours in Geology – Nelson Mandela Metropolitan University
• B.Sc. Geology and Geography – Nelson Mandela Metropolitan University
• Assessor SAQA ID 231846US

Johannes Hendrik Engelbrecht (Hansie)

Mineral Resource Management/Survey/Planning Consultant

Skills

Professional Experience

• Underground Mine Surveyor – Precious Metals
• Survey Manager – Precious Metals
• Mineral Resource Manager – Precious Metals

Professional Bodies

• Member of Institute of Mine Surveyors of South Africa (IMSSA)
• Member of South African Institute for Mining and Metallurgy (SAIMM)

Education – South Africa

• National Diploma Mine Surveying – Technikon Witwatersrand
• National Higher Diploma Mineral Resource Management – Technikon Witwatersrand
• Mine Surveyor’s Certificate of Competency No.1842
• Assessor SAQA ID 231846US