Peer Review Group

Peer Review Group

Martin Errington
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Martin Errington

With more than 40 years’ experience in managing the successful design and delivery of projects in logistically and culturally challenging environments, Martin has held roles as lead process engineer and project manager for various base metals projects around the world.

Notably, Martin was a member of Rio Tinto’s Technical Management Team for over nine years, and in this role, was a member of the Escondida Technical Committee; project manager for the initial study on the La Granja copper heap leach/SX/EW project and represented Rio Tinto on the Hydrogen Energy JV with BP.

He also provided support for the commissioning of the Andacollo copper heap leach SX/EW project in Chile and was the EPCM project manager for the Cowal Gold Project in NSW Australia.

Further to this Martin served as a technical advisor to Rossing for its uranium heap leach development project. He is an innovative strategist who has successfully managed major projects covering copper, gold, uranium, and industrial minerals, with a focus on process engineering excellence.

Matthew Randall
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Matthew Randall

Through a career of over 35+ years, Matthew has been involved in many aspects of open pit mine development, construction and operation across several continents. His experience covers a wide variety of commodities including, nickel, gold, silver, copper, platinum, zinc, iron ore, diamonds, coal and other industrial minerals such as limestone, bauxite, rutile and garnet.

Matthew has extensive experience of working with all of the major reporting codes, notably NI43-101 and JORC (2012). These have been applied to a wide variety of commodities ranging from Industrial Minerals to Base Metals. He also has experience of underground mining in South Africa and the UK and conducted his PhD thesis on the design of underground mines.

Geoff Beale
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Geoff Beale

Geoff Beale has worked for 44 years in surface and groundwater control for the minerals industry. He has worked in over 65 countries worldwide, in all major industrial commodities, and in all climatic zones. Geoff is well noted for his global knowledge of open pit and underground mine dewatering projects. He has been involved in mine water supplies and water balances for many mining operations globally.  In addition, he has broad experience in the operational and environmental aspects of leach pads, waste rock facilities and tailing systems, and has played a lead role in the design and monitoring of closure programs for several mine sites. In recent years, he has studied the role of water in geotechnical engineering, gathering data and experience from many mine sites worldwide.