Grant Cox

The continent of Australia is a mixture of land masses of differing ages. Alan Collins

November 20, 2017

What’s Australia made of? Geologically, it depends on the state you’re in

Alan Collins, University of Adelaide; Bo Yang, University of Adelaide, and Grant Cox, University of Adelaide

The world’s oldest known material is from Western Australia. But for much of Australia’s geological past, the eastern states simply didn’t exist. They’re relative newcomers to our ancient continent.

“Snowball Earth” happened around 700 million years ago. from www.shutterstock.com

September 12, 2017

Ancient volcanic eruptions disrupted Earth’s thermostat, creating a ‘Snowball’ planet

Grant Cox, University of Adelaide and Alan Collins, University of Adelaide

Earth’s thermostat can fail spectacularly at times. Around 700 million years ago, huge volcanic eruptions triggered “Snowball Earth”.

So-called “unconventional” deposits of oil and gas are found in shale, a type of layered, fine grained rock. Dana283/Shutterstock

July 10, 2017

A time capsule containing 118 trillion cubic feet of gas is buried in northern Australia

Grant Cox, University of Adelaide and Alan Collins, University of Adelaide

Gas buried in the Northern Territory’s Velkerri Shale was produced in a “slime world” that existed nearly a billion years before the first complex life on Earth evolved.

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What’s Australia made of? Geologically, it depends on the state you’re in

Ancient volcanic eruptions disrupted Earth’s thermostat, creating a ‘Snowball’ planet

A time capsule containing 118 trillion cubic feet of gas is buried in northern Australia

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