The landscape of eastern Australia is dotted with hundreds of extinct volcanoes. They gave rise to an environment to which Aboriginal people have been connected for tens of thousands of years, and the rich soils upon which ...
Earth Sciences
Dec 17, 2020
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6
A team of researchers understands more about the melting of the Greenland ice sheet. They discovered a flow of hot rocks, known as a mantle plume, rising from the core-mantle boundary beneath central Greenland that melts ...
Earth Sciences
Dec 7, 2020
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An oceanic plateau has been observed for the first time in the Earth's lower mantle, 800 kilometers deep underneath Eastern Siberia, pushing Hawaii's birthplace back to 100 million years, says a Michigan State University ...
Earth Sciences
Nov 20, 2020
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120
International research led by geologists from Curtin University has found that a volcanic province in the Indian Ocean was the world's most continuously active—erupting for 30 million years—fuelled by a constantly moving ...
Earth Sciences
Nov 4, 2020
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569
Back in the 1970s, scientists came up with a revolutionary idea about how Earth's deep interior works. They proposed it is slowly churning like a lava lamp, with buoyant blobs rising as plumes of hot mantle rock from near ...
Earth Sciences
May 28, 2020
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92
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
Yellowstone National Park in the USA, with its geysers and hot springs, is a major attraction for tourists. However, especially in times of little news, the media often focuses on the Yellowstone supervolcano, which last ...
Earth Sciences
Oct 17, 2019
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67
The origin of gigantic magma eruptions that led to global climatic crises and extinctions of species has remained controversial. Two competing paradigms explain these cataclysms, either by the splitting of tectonic plates ...
Earth Sciences
Aug 26, 2019
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98
Victor Camp has spent a lifetime studying volcanic eruptions all over the world, starting in Saudi Arabia, then Iran, and eventually the Pacific Northwest. The geology lecturer finds mantle plumes that feed the largest of ...
Earth Sciences
Aug 6, 2019
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654
Volcanic hot spots such as the ones that created the Hawaiian Islands have long been considered stationary points, created by processes deep within the earth's interior.
Earth Sciences
Aug 1, 2019
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154
