OUR PEOPLE

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GEOFF WEEKES

Principal Geotechnical Consultant

​Geoff has over 30 years’ experience in the mining industry, with more than 20 years in project management and geotechnical engineering roles, in both mining operations and consultancies. His areas of expertise include rock slope engineering, underground excavation and support design, blast optimisation for slopes, tailings and waste rock management and design, and business improvement studies from an engineering perspective. Geoff has worked in a range of operating environments in several countries including Australia, Indonesia, Papua New Guinea and the Pacific Islands over a range of commodities including gold, coal, iron ore and magnetite, base metals, uranium and industrial minerals. Geoff founded Red Rock Geotechnical in 2011.

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PAT WALKER

Principal Geotechnical Consultant

​Patrick has over 35 years’ experience in the mining industry as a mining engineer, rock mechanics engineer, researcher and consultant. His areas of expertise include rock slope engineering, underground excavation and support design and blast engineering and fragmentation. Patrick has worked on projects in several countries including Southern Africa, Australia, Indonesia, Armenia, Mongolia, Peru and Canada over a range of commodities including gold, coal, iron ore and magnetite, copper, nickel and uranium.

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TIM JOHNSON

Principal Geotechnical Consultant

​Tim has over 23 years’ experience in the mining industry, including more than 19 years in geotechnical design and operational risk management roles. His areas of expertise include rock slope & waste dump engineering, design and implementation of slope monitoring and risk management systems, structural geology modelling, and technical assurance and compliance auditing. Tim has led geotechnical operational and design teams supporting major iron ore and gold mining operations. Accountability in his previous roles included design signoff for 9 major multi-pit operations.

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MICHELLE MORGAN

Geotechnical Consultant

Michelle has over 12 years' experience in the mining industry including 10yrs of experience underground in multiple caving operations and an open pit mine with Newcrest Mining at its Cadia Valley operation. She has experience in operational cave management and has worked across the various levels of mining project development including, pre-feasibility, feasibility, development, commissioning, production, and the wind-down into care and maintenance. She has specialist skills in hydraulic preconditioning and microseismic systems including design, installation, operation, analysis and review. Michelle has led specialist and operational geotechnical teams and been responsible for the supervision of contractors for diamond drilling and hydraulic preconditioning. She is presently expanding her skills into open pit prefeasibility and feasibility work.

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