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Home » Metallurgy
A B C D E F G H I K L M N O P R S T V W Y

B

Photo of Mr Alan Bax
Mr Alan Bax
MetallurgistOzmetMetallurgist

Alan is a metallurgist with extensive experience in the gold industry, having worked in Australia, France and Chile in operations ranging from two hundred thousand to ten million tonnes per annum capacity. While working in plant operations Alan has supervised the commissioning and optimisation of crushing, SAG and ball milling, heap leaching, gravity concentration, flotation and CIP/CIL processes. He was Mill Superintendent for Gabanintha Gold Mine, Three Mile Hill Project and the Salsigne Gold Mine of Mines d’Or de Salsigne in France.
Project work undertaken by Alan has included the development of operating budgets for feasibility studies, flowsheet review and development, equipment selection and sizing, review of project tenders and construction contracts, construction supervision and commissioning.
Click here to visit Alan’s web site.

Qualifications
  • BAppSc(ExtMet) WASM 1983, Grad Dip(Met) WASM 1983
  • MMICA, MAusIMM (CP), SME
Specialities
  • Metallurgy and Mineral Processing
  • Feasibility Studies
  • Flowsheet Development and Plant Design
Areas of Practice:
  • Flowsheet development and plant design
  • Metallurgy and mineral processing
Commodity Experience:
  • Gold, Silver
Regional Experience:
  • France
Photo of Mr Guy Butcher
Mr Guy Butcher
MetallurgistG Butcher ConsultingMetallurgist

Guy Butcher is a metallurgist with 35 years of mining industry experience in the fields of extractive metallurgy and mineral processing including design, construction and operation. He has worked in a variety of technical, operational, management and corporate positions for companies such as Goldfields, Bayer A.G., Placer Dome and Goldcorp in Africa, the Asia Pacific region and in the Americas.
Guy was the start-up Mill Superintendent at Granny Smith (Au), Osborne (Cu-Au) and Chrome Chemicals Bleskop (Cr)and has had significant input into the process design of a number of other gold and base metal projects and operations including Porgera (Au), North Mara (Au), Eleonore (Au), Los Filos (Au) and more recently, the 130kf/d Penasquito (Au-Ag-Pb-Zn) project on Mexico. He has also authored and signed off on the ore processing sections of Goldcorp’s Canadian NI43-101 Technical Reports for the metallurgically complex Penasquito and Pueblo Viejo projects.
Consulting expertise offered to clients includes due diligence, process design review and auditing, client representation and the design, management and interpretation of metallurgical test programs.

Documents
View Guy’s CV
Specialities
    Metallurgy amd mineral processing
Areas of Practice:
  • Metallurgy and mineral processing
Commodity Experience:
  • Base Metals
  • Gold, Silver
  • Iron Ore, Manganese, Chrome
  • Sn-W-Ta-Nb Group
Regional Experience:
  • Australia – Queensland
  • Australia – Western Australia
  • Canada
  • Central America (inc. Mexica, Cuba)
  • East Africa
  • PNG
  • Southern Africa (S.Africa, Namibia, Zimbabwe, Botswana, etc.)

C

Photo of Mr Damian Connelly Expert Witness
Mr Damian Connelly Expert Witness

Principal Metallurgist working as a Consultant. Extensive experience gained in all commodities and extractive processes including gold, copper, lead zinc, nickel, uranium and iron ore, titaniu, and vanadium. Specialist in comminution, gravity, flotation, hydrometallurgy, CIP/CIL and Merril Crowe gold & refractory gold metallurgy, heap leaching, bacterial leaching, solvent extraction and electrowinning.

Damian has worked on many major projects incuding flowsheet design, process improvements, cost reduction, conceptual project development, trouble shooting, engineering tenders and financial audits. Career employment with BHAS, Zinc Corp, Peko Wallsend, Bougainville Copper, Hamersley Iron, Roxby Mgt Services, KMA Pty Ltd, Harbour Lights Mining, Aztec Mining, METS Pty Ltd over some 35 years.

Experience has been gained in plant operations, feasibility studies, detailed design, construction and commissioning and all unit operations. A wealth of hands-on operating experience as a foreman, plant metallurgist, plant superintendent, chief metallurgist and project manager which has provided a solid base to mix with engineering and construction management. Damian has also run courses in Metallurgical Accounting and Mineral Processing for industry participants.

The last 21 years have been spent working as a Principal Consulting Metallurgist for Mineral Engineering Technical Service Pty Ltd for Mining, Banking and Engineering Companies both within Australasia and overseas.

Documents
View Damian’s CV
Specialities
  • Mineral Processing
  • Feasibility Studies – Design
  • Due Diligence
  • Project Management
Areas of Practice:
  • Management services
  • Metallurgy and mineral processing
  • Operational management
  • Technical audit and due diligence studies
  • Training and Education
Commodity Experience:
  • Base Metals
  • Gold, Silver
  • Industrial Minerals – Other
  • Iron Ore, Manganese, Chrome
  • Nickel and Cobalt
  • Rare Earths
  • Sn-W-Ta-Nb Group
  • Uranium
  • Vanadium
Regional Experience:
  • Australia – All States
  • Brazil
  • China
  • New Zealand
  • PNG
  • Russia, CIS

E

Photo of Mr Rodney Elvish Expert Witness
Mr Rodney Elvish Expert Witness
MetallurgistB E EnterprisesMetallurgist

Rod is a Consultant Metallurgist and Company Director who has extensive operating and consulting experience in metallurgy and mineral processing. He is Chair of the Mineral Processing Commission of the International Mineral Processing Council (IMPC).

He undertakes a wide variety of technical and commercial assignments, often combining his broad production, management, director, evaluation and development experience to achieve project specific solutions. He takes a holistic approach, matching the metallurgy to site, geological, mining and corporate factors. A similar approach is taken to evaluating new technologies.

Areas of specialisation include:

  • project management
  •  complex polymetallic metallurgy including differential flotation
  • gold, other precious and base metals recovery
  • iron ore beneficiation
  • new process evaluation
  • gravity separation
  • liquid/solid separation

Rod consults to operations staff, company boards, financiers and lawyers. He manages feasibility studies, undertakes valuations, independent reports and advises on mergers and acquisitions.

Assignments undertaken include:

  • metallurgical evaluation of exploration projects
  • managing feasibility studies
  • Assessor, Supreme Court of Queensland
  • on site plant trouble-shooting and optimisation
  • evaluation of new processes and technologies
  • independent technical reports and expert witness assignments
  • financiers’ completion tests and technical audits
  • testwork design, supervision and interpretation of results
  • flowsheet development, costing and equipment selection

Major project works include the development of major iron ore and manganese projects in West Africa, advanced tungsten processing, project management of the Browns polymetallic project (NT), the assessment and development of resin based gold and cyanide recovery technologies and new processes for recovering gold from refractory gold ores. As Director and later Chairman of Allstate Explorations NL he was extensively involved in bringing the Beaconsfield Gold Mine in Tasmania back into operation.

Rod is a past President of the Australasian Institute of Mining and Metallurgy and a Councillor of the IMPC.

Qualifications:
  • FRMIT(PrimaryMet) 1970, DipGeoSc(MinEc) Macquarie 1984, Prof Cert in Arb Adelaide 2003
  • MMICA, Hon FAusIMM (CP), FIMM, FAICD
Specialities:
  • Mineral Processing & Metallurgy
  • New Technology Evaluation and Auditing
  • Due Diligence Studies
Areas of Practice:
  • Independent expert valuations
  • Metallurgy and mineral processing
  • New technology, research and development
  • Project – Management
  • Strategic planning including company acquisition
  • Tailings and waste management
  • Technical audit and due diligence studies
Commodity Experience:
  • Bauxite and Alumina
  • Base Metals
  • Gold, Silver
  • Iron Ore, Manganese, Chrome
  • Nickel and Cobalt
  • Sn-W-Ta-Nb Group
  • Uranium
Regional Experience:
  • Australia – Northern Territory
  • Brazil
  • PNG

 

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