At the far edges of continents, where the continental shelf transitions into the deep ocean, continental and oceanic plates come face to face. At many of these margins, the denser oceanic plate is pushed below the continental ...
Earth Sciences
Jan 24, 2022
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519
If tectonic plate collisions cause volcanic eruptions, as every fifth grader knows, why do some volcanoes erupt far from a plate boundary?
Earth Sciences
Jun 2, 2010
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1
The remote Pilbara region of northern Western Australia is one of Earth's oldest blocks of continental crust, and we now think we know how it formed, as explained in research published today in Nature Geoscience.
Earth Sciences
Apr 17, 2018
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93
Deep beneath Alaska's Aleutian Islands, down where the pressure and temperatures have become so high that rock starts to flow, new continental crust is being born.
Earth Sciences
Feb 23, 2016
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94
Movement in the Earth's tectonic plates indirectly triggers bursts of biodiversity in 36‑million-year cycles by forcing sea levels to rise and fall, new research has shown.
Earth Sciences
Jul 10, 2023
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398
Last September's magnitude 8.2 Tehuantepec earthquake happened deep, rupturing both mantle and crust, on the landward side of major subduction zone in the Pacific Ocean off Mexico's far south coast.
Earth Sciences
Oct 25, 2018
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195
Scientists have found a key indicator in determining whether the presence of carbon, found in the Earth's mantle, is derived from continental crust - a step toward better understanding the history of crustal formation on ...
Earth Sciences
Nov 9, 2016
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411
The islands Reunion and Mauritius, both well-known tourist destinations, are hiding a micro-continent, which has now been discovered. The continent fragment known as Mauritia detached about 60 million years ago while Madagascar ...
Earth Sciences
Feb 24, 2013
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0
Off the coast of Washington, columns of bubbles rise from the seafloor, as if evidence of a sleeping dragon lying below. But these bubbles are methane that is squeezed out of sediment and rises up through the water. The locations ...
Earth Sciences
Mar 21, 2019
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702
Canada has unveiled the first comprehensive Arctic atlas, detailing geological features that point to where oil and gas, gold and diamond deposits are likely hidden beneath snow and ice.
Earth Sciences
May 15, 2009
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