(Phys.org)—New research sheds light on how and when the modern day continents began to form. Researchers from the University of Bristol analyzed radio isotope abundances in 13,000 samples of continental crust of varying ...
An international research team, led by a Virginia Tech geoscientist, has revealed information about how continents were generated on Earth more than 2.5 billion years ago—and how those processes have continued within the ...
Earth Sciences
Mar 31, 2015
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No one really knows how the High Plains got so high. About 70 million years ago, eastern Colorado, southeastern Wyoming, western Kansas and western Nebraska were near sea level. Since then, the region has risen about two ...
Earth Sciences
Mar 6, 2015
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North America traveled in fast company back in its youth.
Earth Sciences
Feb 4, 2015
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Geological processes shape the planet Earth and are in many ways essential to our planet's habitability for life. One important geological process is plate tectonics – the drifting, colliding and general movement of continental ...
Earth Sciences
Nov 27, 2014
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Scientists have long been trying to understand how the Andes and other broad, high-elevation mountain ranges were formed. New research by Carmala Garzione, a professor of earth and environmental sciences at the University ...
Earth Sciences
Apr 21, 2014
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(Phys.org) —A team of researchers at the University of Melbourne in Australia has created a computer model that accurately predicts some aspects of mountain formation in early Australian history and has now described a ...
This Envisat image was acquired over the Westfjords peninsula in northwest Iceland.
Earth Sciences
Dec 20, 2013
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(Phys.org) —Oliver Jagoutz of MIT and Mark Behn of Woods Hole Oceanographic Institution are suggesting in a paper they've had published in the journal Nature, that foundering of lower island-arc crust can explain characteristics ...
Lake Vostok, buried under a glacier in Antarctica, is so dark, deep and cold that scientists had considered it a possible model for other planets, a place where nothing could live.
Earth Sciences
Jul 5, 2013
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