The Earth has a 4.6-billion-year history; since about 1.9 billion years ago, it has been punctuated by a quasi-cyclic formation and break up of supercontinents—large landmasses that comprised the majority of the Earth's ...
Earth Sciences
Apr 28, 2021
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9
Curtin University research has uncovered the first solid clues about the very beginning of the supercontinent cycle of Earth, finding it was kick-started two billion years ago.
Earth Sciences
Mar 24, 2021
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49
Curtin University researchers suggest a "chicken-and-egg" relationship exists between the Earth's mantle-located superplumes and surface-located supercontinents, adding their findings to a scientific community divided on ...
Earth Sciences
Dec 16, 2019
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97
Plate tectonics was founded in the late 1960s, and it concerns the distribution and movements of plates, the uppermost layer of the Earth. Plate movements not only control the distributions of earthquakes, volcanoes, and ...
Earth Sciences
Sep 3, 2019
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20
Curtin researchers believe that ancient supercontinents formed and then fell apart through alternating cycles spanning hundreds of millions of years that involved superoceans being swallowed and the restructuring of the Earth's ...
Earth Sciences
Jan 31, 2019
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411
A new paper recently released in Geology by researchers Jacob Mulder, Karl Karlstrom, and other Australian colleagues provides a new dataset that may resolve the more than three decades-long debate about which continents ...
Earth Sciences
Oct 29, 2018
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An Ohio University geologist who first proposed the now-accepted supercontinent cycle theory in the 1980s has rallied to the cause of one of those supercontinents, Pannotia, that is in danger of being overlooked.
Earth Sciences
Apr 4, 2018
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291
Curtin University researchers have discovered rocks in northern Queensland that bear striking similarities to those found in North America, suggesting that part of northern Australia was actually part of North America 1.7 ...
Earth Sciences
Jan 24, 2018
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1009
Mass extinctions were followed by periods of low diversity in which certain new species dominated wide regions of the supercontinent Pangaea, reports a new study.
Evolution
Oct 10, 2017
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330
The possibility that Earth could have a supercontinent that would occupy two-thirds of the planet's surface in a couple of hundred million years' time is just one of the geological projects being investigated by an international ...
Earth Sciences
Apr 28, 2015
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57
