Landmark Australian gold mine emissions study warns on impact of falling grades

    Published on July 1st, 2020

    In the latest article by S&P Global, new research into Australia’s gold mines revealed “consistent, significant relationships” between gold grade and greenhouse gas emissions intensity per ounce, with average gold grades to fall 44% by 2029 that will significantly boost that intensity.

    The research will be published in Journal of Cleaner Production in September by CSA Global principal geologist Sam Ulrich, who is undertaking his doctorate in geological controls on the operating cost structure of Australian and New Zealand gold mines under the supervision of his co-authors, Allan Trench and Steffen Hagemann, at the Centre for Exploration Targeting in Perth, Australia.

    WA Gold Production and Grades

    The study is titled “Greenhouse gas emissions and production cost footprints in Australian gold mines.” It is the first to investigate whether relationships exist between greenhouse gas emissions and energy consumption with reported costs of production, all-in sustaining costs, the source of the gold mined — open pit, underground or both — and the individual mine power source.

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    Sam Ulrich – Principal Geologist

    About the Author

    Sam Ulrich
    Principal Geologist

    Sam is a principal geologist with more than 20 years’ experience in the areas of exploration and resource development of gold, uranium and copper projects.  He has several years’ experience as a consultant and possesses a strong knowledge in the areas of project evaluations, the undertaking of VALMIN compliant valuations and Independent Geological Reports for IPO’s. Sam has worked extensively in Archaean orogenic gold deposits, epithermal gold and silver deposits in Indonesia and North Queensland. He has travelled globally to undertake assignments in countries, such as China, Laos, Indonesia, Argentina and the Kyrgyz Republic. With an interest in mineral economics, Sam is currently undertaking his PhD at the Centre for Exploration Targeting (CET) at The University of Western Australia linking geology to gold mine economics in Australia and New Zealand, with a focus on orogenic gold deposits.

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