Tag Archives: Geology

Drones Could Spot Crime Scenes from Afar

Posted on April 21, 2022 by rberkowitz

A system could aid forensic searches and crime-scene mapping by detecting reflections from human materials. Continue reading →

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Measurements of elusive mineral could explain mantle discontinuity

Posted on March 1, 2019 by rberkowitz

A predicted phase transition shows up in high-pressure experiments. Continue reading →

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How to build megaripples out of sand

Posted on May 30, 2018 by rberkowitz

Sorting of grains by steady winds produces rare formations larger than ripples but smaller than dunes. Continue reading →

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A Kilauea eruption like no other

Posted on May 16, 2018 by rberkowitz

The famously active Hawaiian volcano typically erupts at existing fissures and triggers minor earthquakes. This latest event has no such limitations. Continue reading →

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Watching How Rare, Meteoric Diamonds Form

Posted on January 23, 2018 by rberkowitz

A shock collision experiment maps hexagonal diamond’s transition from graphite in real time.   Continue reading →

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Decoding an asteroid’s magnetic history

Posted on July 28, 2017 by rberkowitz

Meteorite samples show that metal asteroids exhibited dynamo activity while they solidified from the outside in. Continue reading →

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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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