Researchers now have stronger evidence of granite on Mars and a new theory for how the granite – an igneous rock common on Earth—could have formed there, according to a new study. The findings suggest a much more geologically ...
Space Exploration
Nov 18, 2013
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At a rock outcropping in southern France, a jagged fracture runs along the granite. The surface in and around the crevice is discolored black, as if wet or covered in algae. But, according to a new paper coauthored by the ...
Earth Sciences
Aug 5, 2015
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It’s one of the world’s toughest forms of rock, used to create buildings and monuments across the globe, and famously linked with one of Scotland’s main cities.
Earth Sciences
Jun 13, 2012
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Brazilian geologists announced the discovery, 1,500 kilometers (900 miles) from Rio, of what could be part of the continent that was submerged when the Atlantic Ocean was formed as Africa and South America drifted apart 100 ...
Earth Sciences
May 7, 2013
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A team of scientists including Carnegie's Michael Ackerson and Bjorn Mysen revealed that granites from Yosemite National Park contain minerals that crystalized at much lower temperatures than previously thought possible. ...
Earth Sciences
Jun 27, 2018
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Geophysical monitoring of the ground above active supervolcanoes shows that it rises and falls as magma moves beneath the surface of the Earth. Silica-rich magmas like those in the Yellowstone region and along the western ...
Earth Sciences
Jun 2, 2016
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442
A new study of the Ovda Fluctus lava flow on Venus indicates that it is made of basaltic lava. This discovery weakens the notion that Venus might once have been Earth-like with an ancient ocean of liquid water.
Space Exploration
Oct 7, 2019
15
193
A large formation of granite discovered below the lunar surface likely was formed from the cooling of molten lava that fed a volcano or volcanoes that erupted early in the moon's history—as long as 3.5 billion years ago.
Astronomy
Jul 5, 2023
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(Phys.org) —A team of geology researchers working in France has for the first time recreated the conditions in a lab that lead to a phenomenon known as a supershear earthquake. In their paper published in the journal Science, ...
As the state geologist for Arizona, Lee Allison knows granite from sandstone, a syncline from an anticline. But he has lacked the ability to look through rocks to visualize the inner workings of the Earth.
Earth Sciences
Feb 17, 2012
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