Oman_VMS_Pit - Pages

Our People

From the Directors to the staff,  H&SC employees have a vast and diverse range of experience in mineral mining and exploration. Here are some brief descriptions of the experience and capabilities of our technical personnel:

Luke Burlet


Luke is a director and consulting geologist based in H&SC ‘s Sydney office. He has worked with Uranerz, B.P. Selco, Placer Dome, Trigg Woollett Olson Consulting and FSSI Consultants Canada. He has over thirty years experience on a wide variety of mining and exploration projects in Australia, Canada, USA, South America, China and South East Asia. He is a Competent Person for reporting of resource estimates under the JORC 2012 Code & Guidelines.

Luke’s work with these companies and expertise includes:

  • geostatistical data analysis, data compilation and verification, metallic mineral resource estimations and geological interpretations
  • direction of exploration and drilling programs with budgets from $14,000 up to $5M and supervision of a staff of up to 40 people
  • exploration work on gold, porphyry copper, PGE, base metals, and uranium projects in North America, South America, Philippines, Lao PDR, Indonesia, Thailand, Vietnam, and China.
  • training industry personnel and internal company employees on the topics of exploration databases, computer applications, organisational management and project budgeting/cost tracking
  • review and audit of ore resource calculations for the mining industry
  • geostatistical analysis and data verification of analytical laboratory check studies
  • design and implementation of computer-based databases using products such as Microsoft ACCESS and Microsoft SQLServer
  • Micromine, MapInfo, Access/SQLServer software training to industry and internal company personnel.
  • development of Windows based mining and exploration systems, in particular innovative and cost effective data solutions for clients

Arnold van der Heyden


Arnold van der Heyden is a director of H&SC in their Sydney office and works as a consulting geologist. He has over thirty years’ experience in resource evaluation and mine geology. Since graduating with a BSc degree from the University of Melbourne he has worked for North, BHP, MMM and Savage River Mines. His work has encompassed a wide variety of commodities and types of deposits, both in Australia and overseas. He is a Competent Person for reporting of resource estimates under the JORC 2012 Code & Guidelines.

His work with these companies and H&SC includes:

  • Resource estimation of gold, silver-lead-zinc, copper, nickel, iron ore and uranium in a variety of projects in a number of countries including Australia, Argentina, Uruguay, DRC, Namibia, Laos, Philippines, Romania, Jordan, Canada and Mexico.
  • Geostatistical analysis and estimation, including variography, ordinary and indicator kriging.
  • Due diligence and feasibility studies on copper, gold and iron ore deposits.
  • Comprehensive experience in mine geology, including grade control and mine to mill reconciliation.
  • Audit of resource estimates and mine geology systems.
  • Design, implementation and management of drilling programs.
  • Assessment of quality control issues such as drill hole sampling, assay accuracy and precision.
  • Advice and preparation of JORC and NI43-101 compliant resource reports.
  • Expertise in using Datamine (including macros) and other mining software.

Simon Tear

BSc (Hons), MAusIMM, PGeo IGI

Simon Tear is a director of H&SC in their Brisbane office who has a BSc (Hons) in Mining Geology from The Royal School of Mines, Imperial College, London, UK and has over thirty years’ worldwide experience in the mineral exploration and mining industry. He is a member of the IOM3 (25 years), the AusIMM (16 years), the Institute of Geologists of Ireland (PGEO 20 years) and the European Federation of Geologists (20 years). He is a Competent Person for resource estimation under the JORC 2012 Code & Guidelines. His experience consists of:

  • 14 years involvement in the resource estimation process including being a member of a Feasibility Study team.
  • Completion of a series of resource estimates (>80) for a range of commodities including gold, copper, lead/zinc, tungsten, nickel, and iron (DSO & magnetite) deposits in a variety of countries including Australia, Albania, Iran, Kyrgyzstan, Philippines, Mongolia, PNG, Vietnam and Saudi Arabia.
  • Experienced with a variety of resource modelling techniques
  • Technical assessment/due diligence for >10 deposits & mines plus >5 Independent Geologists Reports for IPO’s
  • Exploration experience for a range of commodities in a variety of geological terranes.
  • 3.5 years’ experience as Senior Development Geologist and Acting Chief Geologist for Birla Minerals Mt Gordon Copper Operations, NW Queensland.
  • 15 years’ exploration experience with RTZ/CRAE/Rio Tinto, mainly field-based, including 8 years of project generation.

Rupert Osborn

Bsc, MSc, MAIG

Rupert Osborn works as a consulting geologist employed with H&SC in their Sydney office. He joined H&SC in 2011 following over six years’ international experience as an exploration geologist. Rupert holds a BSc in Geology from the University of Edinburgh and an MSc in Mining Geology from Camborne School of Mines. He is a Member of the AIG. He is a Competent Person for reporting of resource estimates under the JORC 2012 Code & Guidelines. His experience includes:

  • Resource estimation for a variety of deposit styles using classical and geostatistical techniques. Commodities include; iron ore, gold, silver, copper, lead, zinc, tungsten and uranium.
  • Preparation of JORC compliant resource and reserve statements.
  • Assessment of drill hole sampling and assay quality, and development of appropriate quality control procedures for resource development programmes.
  • Technical supervision and training of geological and other personnel in exploration, resource estimation, and resource evaluation activities.
  • Utilisation of many mining software packages including Micromine, MapInfo and others.
  • Planning and managing exploration campaigns.
  • Living and working in a variety of countries and cultures including acting as an exploration geologist in central Asia, Africa, and South America.
  • Over three years’ iron ore exploration in Uruguay where he helped take the project from initial setup to completion of a DFS.

Dr Phillip Hellman

BSc (Hons 1), DipEd, PhD, MGSA, MAEG, FAIG

Phillip Hellman is a consulting resource geologist and geochemist with over thirty years’ experience in mineral exploration and the advanced evaluation of mineral projects. He has been involved in numerous minerals projects within Australia and overseas and is based in H&SC’s Sydney office. He served on Australia’s Joint Ore Reserves Committee (JORC) as an Australian Institute of Geoscientists’ representative for 13 years and is a Competent Person for reporting of resource estimates under the JORC 2012 Code & Guidelines. Some of his exploration and mineral evaluation activities have included:

  • Resource estimation and geological studies of base metal, porphyry copper, SXEW copper, nickel sulphide and nickel laterites, rare earth elements, silver, niobium, tantalum, uranium and gold projects including setting up quality control systems for sampling and assaying, the design and use of computer-compatible drill logs, geological modeling, grade estimation and pit optimization.
  • Development of reconnaissance and detailed follow-up geochemical techniques for tropical and oxidized terrains in South-East Asia, SW Pacific and West Africa especially with respect to stream-based BLEG and metal-specific techniques.
  • Detailed evaluation of mineral projects for IPO/Prospectuses, Bankable Feasibility Studies and joint venture opportunities.
  • Review and audit of mineral resource studies, with particular attention to quality control, identification of assay bias and suitability of assay techniques.
  • Provision of expert witness statements and testimony to legal and regulatory authorities in Australia and overseas concerning minerals-related litigation.
  • Detailed assessment and resource estimation of some of the world’s most significant rare earth element deposits such as Mt Weld and Mountain Pass.
  • Detailed assessment of nickel laterites, including advanced geochemical and mineralogical studies, from Indonesia, New Caledonia, Papua New Guinea and Australia.