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Mine landslide triggered quakes

Last year's gigantic landslide at a Utah copper mine probably was the biggest nonvolcanic slide in North America's modern history, and included two rock avalanches that happened 90 minutes apart and surprisingly ...

dateJan 06, 2014 in Earth Sciences
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Lead hokes the age

Rocks do not lose their memory across Earth history, but their true ages might be distorted: Even under ultra-high temperature metamorphic conditions exceeding 1200°C, zircon retains the lead content accumulated ...

dateApr 06, 2015 in Earth Sciences
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'Jake_M': Unusual Mars rock described

The first rock that scientists analyzed on Mars with a pair of chemical instruments aboard the Curiosity rover turned out to be a doozy – a pyramid-shaped volcanic rock called a "mugearite" that is unlike ...

dateSep 26, 2013 in Space Exploration
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New view of Rainier's volcanic plumbing

By measuring how fast Earth conducts electricity and seismic waves, a University of Utah researcher and colleagues made a detailed picture of Mount Rainier's deep volcanic plumbing and partly molten rock ...

dateJul 17, 2014 in Earth Sciences
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