Tag Archives: Geology

Continental rift exposes mantle melting at work

Posted on July 18, 2017 by rberkowitz

Changes in the degree of melting of mantle rock explain uplift and subsidence patterns in New Zealand’s Taupo Volcanic Zone. Continue reading →

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Separating pebbles from boulders on asteroid Itokawa

Posted on March 1, 2017 by rberkowitz

Collisions between fragments may lead to size segregation of rock piles during asteroid formation. Continue reading →

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Active Mud Volcano Field Discovered off Southeast Alaska

Posted on November 30, 2015 by rberkowitz

A cruise to study landslide potential along an earthquake-prone fault found a surprising methane plume. Continue reading →

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Building Sea-floor Features in the Lab

Posted on March 26, 2012 by rberkowitz

Researchers in Canada investigate overpressures needed to form ocean-floor domes. Continue reading →

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Explaining Sheeting Joints on Yosemite’s Half Dome

Posted on February 27, 2012 by rberkowitz

The fractures that lead to rockfall on Yosemite National Park’s Half Dome are best explained by curvature and forces parallel to the rock surface. Continue reading →

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