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An Account of Earth's Middle Ages – Life and Resources
This lecture is presented by Dr Indrani Mukherjee, winner of an RST Doctoral Award in 2019. Indrani’s PhD involved understanding pyrite trace element and sulphur isotope geochemistry of Proterozoic marine black shales using LA-ICP-MS and SHRIMP-SI techniques. The research focussed on nutrient-productivity cycles in past oceans and atmosphere-ocean redox state in the context of biological evolution in the Proterozoic era. Pyrite chemostratigraphy was also used for assessing mineralisation potential of black shales. This presentation will expand on the research foundations built over the course of Indrani’s PhD targeting both fundamental and applied aspects of geochemistry. The former involves advancing our knowledge of Precambrian atmosphere-ocean dynamics in shaping the course of early evolution. The latter involves utilisation of the geochemical data combined with statistical tools, for applications such as biogenicity tools, predictive modelling, and mineral exploration.

Oct 4, 2020 03:00 PM in Hobart

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Speakers

Dr Indrani Mukherjee
Post Doctoral Researcher @University of Tasmania
Dr Indrani Mukherjee is a Postdoctoral Researcher in Geochemistry at CODES, University of Tasmania. She completed her PhD in 2018 from the University of Tasmania under the supervision of Professor Ross Large. Indrani acquired her B.Sc. (Honours) and M.Sc. in Geology degrees from the University of Delhi, India. Indrani’s main focus has been on understanding pyrite trace element and sulphur isotope geochemistry in Precambrian marine black shales. Her research ties past geochemical conditions of the atmosphere-ocean system to evolution of early complex life and secular distribution of ore deposits through time. Indrani aims to apply the pyrite LA-ICP-MS technique towards developing a deep time model for evolution of complex life and devising vectors to SEDEX Zn-Pb and sedimentary Cu mineralisation.