31 December 2019 4 8K Report

Hi everyone,

As a convener, I would like to invite you to submit an abstract to the session: 08a: Metal Mobility in the Critical Zone and its Implications to Geochemical Exploration in Weathered Terrains in the Goldschmidt 2020.

The description of the session is below:

Shallow mineral deposit discoveries are becoming less common and those world-class deposits are either mined out or decreasing in production. One of the fundamental challenges for mineral exploration industry in this century is targeting deeper concealed mineral deposits under the critical zone. The increase in demand for mineral resources worldwide is driving investment in developing new geochemical exploration methods for vectoring concealed mineral deposits in deeply weathered and covered terrains. Extensive older terrains of Australia, India, West Africa, Brazil and China are deeply weathered and others such as Canada and Fennoscandia are overlain by recent glacial sediments. Thus, geochemical signatures of the mineralisation and the host rock can be obscured by deep weathering and transported cover providing challenges for exploring these terrains. The purpose of this session is to bring together a number of contributions showing interdisciplinary integrated approaches for understanding physical and biogeochemical mechanisms for metal mobility from the mineralised source through the critical zone to surface. The session also invites topics discussing recent advances in developing or improving geochemical and analytical (isotopic and dating) techniques, numerical modelling and experimental methods applied for mineral exploration through the critical zone. Geochemistry of supergene ore deposits, indicator mineral chemistry, and hydrogeochemical studies are also part of this session.

Please visit the following link for more detail: https://goldschmidt.info/2020/program/programViewThemes

Finally, I appreciate your quick response to my message and if you are not able to attend, could you please circulate this invitation to other colleagues working in the same field.

Best regards

Dr Walid Salama

Senior Research Scientist

CSIRO Mineral Resources

Australian Resources Research Centre

26 Dick Perry Avenue,

Kensington, WA 6151, Australia

E [email protected]

T +61 8 6436 8745

www.csiro.au

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