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Glass on Mars: Evidence for explosive volcanism and periglacial alteration

Wednesday, May 2, 2012
Briony
Horgan

New spectral analysis has revealed that weathered, iron-bearing glass is the main component of dark regions covering more than 10 million square kilometers in the northern lowlands of Mars. In this talk, I'll discuss the implications of these findings for (1) the history of explosive volcanism and ice-magma interactions on Mars, (2) aqueous alteration on Mars under cold and icy conditions, and (3) the origin of aeolian sediments and other sedimentary deposits on Mars.

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