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The AusIMM Geoscience Society Distinguished Lecture Series – Orange

Join the Lachlan Branch to hear from Distinguished Professor Ross Large AO on Tuesday 18 June.

Date: Tuesday 18 June 2019

Time: 7:00 – 8:30pm

Central Caleula Motor Lodge
60 Summer Street
Orange NSW 2800

Cost: Free to attend

Includes: Dinner and drinks included (pizza and salad)


Registrations close on Friday 14 June.


This event is brought to you by the AusIMM Geoscience Society, the AusIMM Lachlan Branch, and the Geological Society of Australia (GSA). It is worth 1 AusIMM PD hour.

Professor Ross Large AO is internationally renowned in ore deposit geology. He has published over 130 scientific papers and is particularly recognised for his research on the genesis of ore deposits and relationships to Earth evolution. His current research interest is the chemistry of past oceans and relationships to evolution of life, mass extinction and mineral deposit cycles.

Professor Large AO, was the foundation Director of CODES, an ARC Centre of Excellence in Ore Deposits at UTAS. He has won many awards for his research achievements, including the Society of Economic Geology Silver Medal, and Australian Academy of Science Haddon King Medal for research excellence relevant to the minerals industry.

“Rhythms of Earth and Life through Time.”

Professor Large’s presentation will focus on indicators that the regular collision of tectonic plates over the past 700 million years has been a prime driver of evolutionary change on Earth.

Nutrients in the oceans ultimately come from weathering and erosion of rocks on the continents. The picture is now emerging that nearly all major Earth processes in geological history were cyclical in nature, with several orders of cycles superimposed. Supercontinent cycles led to mountain building cycles, which stimulated nutrient cycles, oxygen cycles, evolutionary cycles, climate cycles and mass extinction cycles.

While the link between these nutrient cycles as drivers of evolution and factors in mass extinction events remains to be proven, this presentation makes us think about evolution in a broad sense.

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