Geologist — Exploration & Mining · Cape Town, South Africa

Wessel J.
Pentz

Almost two years in exploration across five countries, generating reliable evidence. A deposit is only as good as the data that defines it.

Diamond core logging, structural mapping, and exploration data management across vanadium, copper, gold, lithium/coltan, and graphite projects — from active mine sites to weeks-long deployments in remote field terrain.

Regions workedSouth Africa · Namibia · Uruguay · Zambia · DR Congo · Uganda
Core disciplineDiamond core & trench logging
Contactwessel@minrom.co.za
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"Results-driven geologist with almost two years of progressive field and technical experience — leading large-scale field programs and operating independently in remote, rugged environments while delivering high-level technical outputs: drill core logging, structural mapping, systematic soil sampling, and geological database management."

01 / 2025 — PresentMinrom Consulting
5Countries deployed
5Commodities logged
17,700 mDrilled & trenched combined

The Core Log

6 intervals

Six projects, laid out the way a core log reads a drill hole — each interval sized to its scope, colored to its commodity. Select an interval to read the field notes.

Gold
Graphite
Lithium / Coltan
Copper
Vanadium
GIS & Database

Uruguay — Gold Exploration Campaign

4,700 m trenched, 5,500 soil samples collected across multiple multi-month field cycles. Trained on detectORE™ pXRF technology for in-field gold detection.

Field Record

Minrom Consulting, Jan 2025 — Present
01Photo — Uruguay
Trenching Program
Uruguay · Gold · 2025–2026

Gold Exploration Campaign

Multiple multi-month field cycles
  • Executed 4,700 meters of trenching and detailed trench logging in a remote environment.
  • Led field execution of a soil sampling program across new gold anomaly targets, managing collection of 5,500 systematic samples.
  • Synthesized historical trench, assay, structural, and geophysical data to target and orient the final trenching program.
  • Trained on detectORE™ technology, using portable XRF (pXRF) for rapid in-field gold detection.
4,700 mTrenched
5,500Soil samples
02Photo — Uganda
Drill Site
Uganda · Graphite

Diamond Drilling Program

Six months, 24-hour operations
  • On-site geologist for a six-month, 24-hour diamond drilling operation totaling 8,000 meters in a highly remote location.
  • Responsible for logging oriented core and verifying accurate drill rig alignment throughout the program.
8,000 mDrilled
6 moDuration
03Photo — DR Congo
Airborne Survey
DR Congo · Lithium / Coltan

Airborne Mobile MT Geophysics Survey

Month-long deployment
  • Coordinated logistics for a 4,700-line-kilometer airborne Mobile MT geophysics survey via helicopter over pegmatitic terrain.
  • Tracked flight durations, fuel consumption, and operational metrics to ensure strict project auditability.
4,700 kmLine-km surveyed
04Photo — Namibia
Reconnaissance
Namibia · Copper · Jul 2026

Copper Reconnaissance & Technical Reporting

Remote site visit
  • Conducted a remote reconnaissance visit to identify geological features, mineralization zones, and structural controls.
  • Measured dip and dip direction, mapped surface geology, and collected targeted samples for laboratory analysis.
  • Authored a full technical report with maps, findings, and strategic recommendations for future exploration.
05Photo — South Africa
Core Yard
South Africa · Vanadium

Vanadium Mine — Core Logging

Ongoing
  • Executing detailed logging of diamond drill core at an active vanadium mine site.
  • Supporting ongoing mining operations and delineation of mineralization extensions through systematic core logging.
Uruguay & Zambia · GIS & Database

Geological Database Management

Remote
  • Managed and imported complex geological, drilling, and survey data into specialized database software across two countries.
  • Supported data integrity and accessibility for cross-project exploration analysis.

Core Competencies

By discipline
Field Geology

Diamond drill core logging (oriented core) · Trenching & trench logging · Geological mapping · Dip / dip direction measurement · Reconnaissance site assessment · Soil, rock chip & stream sediment sampling

Technical & Analytical

detectORE™ technology · Portable XRF (pXRF) · Geological database management · Historical dataset synthesis · GIS data handling

Field Operations

Remote multi-month deployment · Field logistics coordination · Airborne geophysics survey coordination · Operational auditability · Drill rig alignment verification

Reporting

Technical report authoring · Exploration targeting & data viability assessment · Coordination with senior technical leadership

Certifications

Handheld XRF Radiation Safety & Basic User Training
Portable Scientific Pty Ltd — March 2026
Basic CPR/AED & First Aid (Adults)
ETUM / National Resuscitation Council, Uruguay — December 2025

Education

BSc Honours, Environmental Sciences (Environmental Geology)
North-West University — 2024
BSc, Environmental Sciences (Geology & Geography)
North-West University — 2021–2023