4th June 2025
Signature Series - Dr Kathy Ehrig, Olympic Dam (BHP): Critical minerals, the mining industry, and career opportunities
Critical minerals, the mining industry, and career opportunities (lecture presented on Wednesday 4 June 2025)
Presented by Kathy Ehrig, Superintendent Geometallurgy — Olympic Dam, Planning, Technical and Environment, BHP
See presentation slides here.
Abstract |
Biography Kathy completed her BSc in Geology at the California State University, Fresno and completed her PhD in Geology at the University of California-Berkeley in 1991. She has worked for the US Navy conducting geophysical surveys for geothermal energy resources. In 1992 she joined the former Western Mining Corporation as a research geologist to work on the genesis of the Olympic Dam deposit in Australia. In 2006, she moved from Olympic Dam to Adelaide to lead the development of the Olympic Dam geometallurgy program. Over the past 30 years, she has remained focussed on using mineralogy to solve processing issues, predicting metallurgical performance, unravelling the complex geological history of the Olympic Dam deposit, and using deposit scale geological/mineralogical insights as inputs into discovering new iron oxide copper gold deposits. She has co-supervised 16 PhD students and 10 postgraduate researchers working on Olympic Dam based projects. She has >125 published papers and delivered >80 national and international presentations. She also actively supported multiple Australian Research Council co-funded projects via BHP’s partnership with various Australian universities. She has received numerous awards including:
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