Tag Archives: volcanism

Dikes: key link between Thaumasia Planum, Tharsis, and Valles Marineris?

The area called Syria-Thaumasia is a big triangular block of Mars just east of three giant Tharsis volcanos: Arsia, Pavonis, and Ascraeus Montes. Valles Marineris bounds the block on the north, while its southwest and southeast sides are defined by … Continue reading

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Lava coils: new form of flow discovered on Mars

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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