How continents were recycled
Plate tectonics shape the Earth's dynamic surface. But when did these dynamics first emerge? And will the present-day continents last forever?
Plate tectonics shape the Earth's dynamic surface. But when did these dynamics first emerge? And will the present-day continents last forever?
Earth Sciences
Aug 23, 2017
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For the first time, ETH scientists have successfully recreated the formation of continental crust in the Archean using a computer simulation. The model helps scientists to better understand processes that took place three ...
Earth Sciences
May 10, 2017
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Rock samples from northeastern Canada retain chemical signals that help explain what Earth's crust was like more than 4 billion years ago, reveals new work from Carnegie's Richard Carlson and Jonathan O'Neil of the University ...
Earth Sciences
Mar 16, 2017
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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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The southern-central edge of the Tibetan Plateau near the border with western Nepal and the Indian state of Sikkim is pictured in this Sentinel-2A image from 1 February 2016.
Earth Sciences
Jun 17, 2016
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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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University of Wyoming scientists have found evidence of continental collisions in Wyoming's Teton Range, similar to those in the Himalayas, dating to as early as 2.68 billion years ago.
Earth Sciences
Jan 29, 2016
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Earth has some special features that set it apart from its close cousins in the solar system, including large oceans of liquid water and a rich atmosphere with just the right ingredients to support life as we know it. Earth ...
Earth Sciences
Jan 21, 2016
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It has been axiomatically accepted that the basement of a continental shelf is the offshore extension and geologically part of the same continental lithosphere. While this notion may hold true in places, our analysis of the ...
Earth Sciences
Sep 22, 2015
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The analysis, published in the journal Scientific Reports, offers some of the clearest views ever obtained of rock moving up to 50 miles below the plateau, in the lowest layer of Earth's crust.
Earth Sciences
Jul 21, 2015
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