Geology News

New Form of Lava Flow Discovered on Mars

Apr 27, 2012 by News Staff

Arizona State University graduate student Andrew Ryan has discovered a new form of Martian lava flow that resembles snail or nautilus shells. More than a dozen lava coils visible in a volcanic region named Cerberus Palus (NASA / JPL-Caltech / UA) Such patterns have been found on Earth, but never before on Mars. The discovery of 269 spiral lava coils ranging from 5 to 30 meters wide in the Athabasca Valles Region is published in the journal Science. “I...

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New Study Corrects Rift in Africa

Mar 26, 2012 by News Staff

An international team of geologists led by Dr. Eric Roberts of Australia’s James Cook University has suggested that the Great Rift Valley of East...

Mercury May Have Caused End-Permian Mass Extinction

Jan 6, 2012 by Enrico de Lazaro

For the first time, Canadian researchers have suggested that the Earth’s most severe mass extinction was caused by an influx of mercury into the eco-system. In...

Early Earth’s Atmosphere was Similar to Present-Day One

Nov 30, 2011 by News Staff

Scientists from Rensselaer Polytechnic Institute have found that the atmosphere of Earth just 500 million years after its creation was not a methane-filled...

Earth’s Largest Mass Extinction Dated

Nov 18, 2011 by James Freeman

Researchers from North America and China determined the date and rate of Earth’s most severe mass extinction. A paper in this week’s journal Science...

Antarctica’s Mountains Mystery Solved

Nov 17, 2011 by James Freeman

The birth of the Gamburtsev Subglacial Mountains buried beneath the vast East Antarctic Ice Sheet — a puzzle mystifying scientists since their discovery...

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