New Curtin University-led research has uncovered how rocks sourced from the Earth's mantle are linked to the formation and breakup of supercontinents and super oceans over the past 700 million years, suggesting that the Earth ...
Earth Sciences
Jun 30, 2020
0
48
Scientists estimate that the Earth's mantle holds as much water as all the oceans on the planet, but understanding how this water behaves is difficult. Water in the mantle exists under high pressure and at elevated temperatures, ...
Earth Sciences
Jun 24, 2020
0
83
The rocks at the surface of the modern Earth are broadly divided into two types: felsic and mafic. Felsic rocks are generally relatively low density—for a rock—and light in color because they are made from whitish minerals ...
Earth Sciences
Jun 18, 2020
0
37
New Curtin University research on the remixing of Earth's stratified deep interior suggests that global plate tectonic processes, which played a pivotal role in the existence of life on Earth, started to operate at least ...
Earth Sciences
Jun 12, 2020
0
183
Oxygen first accumulated in the Earth's atmosphere about 2.4 billion years ago, during the Great Oxidation Event. A long-standing puzzle has been that geologic clues suggest early bacteria were photosynthesizing and pumping ...
Earth Sciences
Jun 9, 2020
3
524
Seismic wave-speeds have revealed part of an ancient volcanic "superplume" beneath New Zealand, highlighting connections between the Earth's deep interior and the surface we live on.
Earth Sciences
May 29, 2020
0
803
Nitrogen makes up approximately 78% of the air we breathe. But scientists have never fully understood how it came to be present in the atmospheres around Earth and other planets.
Earth Sciences
Apr 21, 2020
0
22
Scientists involved in the Borexino collaboration have presented new results for the measurement of neutrinos originating from the interior of the Earth. The elusive "ghost particles" rarely interact with matter, making their ...
General Physics
Jan 22, 2020
1
962
When a hot plume of rock rises through the Earth's mantle to puncture the overlying crust, it can create not only a volcanic ocean island, but also a swell in the ocean floor hundreds to thousands of kilometers long. Over ...
Earth Sciences
Jan 3, 2020
0
239
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
0
97
