Monthly Archives: April 2012

Lava coils: new form of flow discovered on Mars

Posted on April 26, 2012 by rburnham

High-resolution photos of Martian lava flows show coiling spiral patterns that resemble snail or nautilus shells. Such patterns have been found in a few locations on Earth, but never before on Mars. The discovery appears in a paper in Science … Continue reading →

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Sea cliffs in Libya Montes?

Posted on April 24, 2012 by rburnham

New work suggests that three possible shorelines from ancient lakes or seas in Isidis Planitia lie in Libya Montes. These mountains form the southern rim of Isidis, a Noachian-age impact basin 1,225 kilometers (760 miles) in diameter. They lie along … Continue reading →

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