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Photo of Mr Michael Lawrence Expert Witness
Mr Michael Lawrence Expert Witness
GeologistMINVAL Associates Pty LtdGeologist

Mike Lawrence

Mike is an economic geologist with some 48 years’ international Minerals Industry experience, who provides independent valuations of exploration and mine properties, project technical audits and dispute resolution solutions.  He specialises in due diligence and mineral property technical appraisals and valuations in an ADR or litigation context, involving a very wide range of commodities [eg, coal, iron ore, base metals, nickel, gold, bauxite, phosphate, aggregates, industrial minerals, dimension stone and gemstones.

He has been a mining and geological consultant to the metalliferous, coal and quarrying industries as CEO of international resource consultancies’ regional operations [eg, the French Government’s BRGM/SEREM and the UK Robertson Group], until 1991 when he founded Sydney-based Minval Associates.

He has been widely recognised by the Industry as an independent, highly ethical expert (MICA Medal, Honorary Fellow AusIMM & FAIG, 1999, President AusIMM and its Beryl Jacka Award recipient).

He authored 99 technical papers (to end 2013), particularly on aspects of valuation, due diligence, risk, ethics and professional liability.  He has made major contributions to AusIMM’s VALMIN Code since 1991 and development of AusIMM/MICA Alternate Dispute Resolution Scheme.  Appointed 2008 to NSW Ministerial Land Access Arbitration Panel (reappointed to June 2017).

  • BSc(Hons1) UNSW 1966,
  • GradDipPublicSectorMgt NSWIT 1985,
  • CertArb&Med 2000,
  • Technical Assessments, Audits and Valuations
  • Exploration Strategy, Planning & Management
    Alluvial & Hard Rock Geology
Areas of Practice:
  • Exploration – Planning and Management
  • Exploration – Property Appraisal
  • Government and public relations
  • Independent expert valuations
  • Resource / Reserve estimation (inc. geostatistics)
  • Technical audit and due diligence studies
Commodity Experience:
  • Bauxite and Alumina
  • Base Metals
  • Diamonds
  • Gemstones
  • Gold, Silver
  • Iron Ore, Manganese, Chrome
  • Nickel and Cobalt
  • Sn-W-Ta-Nb Group
Regional Experience:
  • Australia – Western Australia
  • Indonesia
  • New Zealand
  • Pacific Islands
  • Philippines
  • PNG
  • S E Asia (Malaysia, Thailand, Vietnam, Myanmar)


Photo of Mr John McIntyre
Mr John McIntyre
Mining EngineerBehre Dolbear AustraliaMining Engineer

John has more than 40 years of experience in the management, operation and design of mines, including underground base and precious metals, surface hard-rock and coal and alluvial operations. He provides advisory services in the management, assessment and redirection of underperforming mines and projects. John has led projects in Australia, New Zealand, West Africa, PNG, the Philippines, Laos, Vietnam and North America and has prepared management reviews, technical audits, valuations, economic assessment, mine design and feasibility studies for new and existing operations.
John has been Managing Director of Behre Dolbear Australia (BDA) since 1994. BDA is the Sydney-based subsidiary of the US group, Behre Dolbear and Company Inc (BDCI), which has operated continuously as a mineral industry consultancy in North America since 1911 and has offices in Denver, New York, Toronto, Vancouver, London and Hong Kong and is recognised as a reputable international consultancy by mining companies, banks, financial institutions and groups associated with mining worldwide. BDA has established itself in Australia and the South East Asian region as a source of professional mining expertise, covering all aspects from resource/reserve definition, mine planning and operations, metallurgical and environmental planning and review, project engineering and financial analysis and valuation. Director: Takoradi Gold NL.

View John’s CV
  • BE(Hons) NSW 1971
  • MMICA,
  • FAusIMM (CP)
  • Member Australasian Institute of Minerals Valuers and Appraisers (MAIMVA)
  • Certified Minerals Valuer (CMV) #120808 004
  • Member American Institute of Minerals Appraisers (MAIMA)
  • Certified Minerals Appraiser (CMA) #2012-1
  • Mining Engineering
  • Management Advisory Services
  • Project Valuation & Assessment
Areas of Practice:
  • Mining engineering


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