Tag Archives: explosive volcanism

‘Knobby terrain’ a sign of Mars’ explosive past

Posted on January 28, 2015 by rburnham

The Red Planet’s upper crust is brittle and weak. Planetary geologists often attribute this to effusive eruption — lava pouring out of a volcano onto the ground — early in Mars’s history with later modifications. However, some have suggested that … Continue reading →

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Supervolcanos in Arabia on Mars: Update

Posted on October 4, 2013 by rburnham

The idea of giant volcanos erupting in Arabia was proposed by Joseph Michalski (Planetary Science Institute) in a talk at the Lunar and Planetary Science Conference in March 2013. Michalski and coauthor Jacob Bleacher (NASA Goddard Space Flight Center) have … Continue reading →

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Does Arabia show a new style of Martian volcanism?

Posted on March 25, 2013 by rburnham

Arabia is one of the largest and oldest regions of Mars. Among its varied rocks are widespread deposits of soft and easily eroded ones which may have a volcanic origin. However, Arabia has no obvious volcanic vents or sources.

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