Perched atop the sheer coastal cliffs of Ireland's Aran Islands, ridges of giant boulders have puzzled geologists for years. What forces could have torn these rocks from the cliff edges high above sea level and deposited ...
Earth Sciences
Apr 30, 2012
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A superplume, or massive episode of volcanic eruptions that related to extensive melting of the Earth's mantle, could explain the puzzling reappearance of major iron formations long after the rise in atmospheric oxygen about ...
Earth Sciences
Apr 27, 2012
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(PhysOrg.com) -- The scientific drilling ship Chikyu will set sail on April 1 on an ambitious expedition to drill into the fault that caused the devastating Tohoku earthquake and tsunami in March 2011. Emily Brodsky, a professor ...
Earth Sciences
Mar 27, 2012
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German geologists from the Universities of Bonn and Cologne have demonstrated new scientific results in the April issue of the scholarly journal Geology, which provide a new theory on the earliest phase of continental formation.
Earth Sciences
Mar 12, 2012
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Iron ore is a big deal in Australia.
Earth Sciences
Mar 18, 2024
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The present solid Earth is actually active, with new plates generating in the mid-ocean ridges and some old plates sinking back into the interior through subduction zones. Subduction is thus a key process of the tectonics ...
Earth Sciences
Mar 13, 2024
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Subduction zone fluids are the key carrier for element migration and matter cycles between the crust and mantle of the Earth. Interpreting the sources, properties and signatures of fluids has significant implications for ...
Earth Sciences
Feb 25, 2022
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Captured by the Copernicus Sentinel-2 mission on 21 August 2019, this image features a huge raft of pumice rock drifting in the Pacific Ocean. The pumice is believed to have come from an underwater volcano near Tonga, which ...
Environment
Aug 28, 2019
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An international team of scientists - recently returned from a 47-day research expedition to the middle of the Atlantic Ocean - have collected an unprecedented sequence of rock samples from the shallow mantle of the ocean ...
Earth Sciences
Feb 1, 2016
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The Earth's oceanic crust covers an enormous expanse, and is mostly buried beneath a thick layer of mud that cuts it off from the surface world. Scientists now document life deep within the oceanic crust that appears to be ...
Earth Sciences
Mar 14, 2013
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