Tag Archives: pyroxene

HiRISE: Possible low-calcium pyroxene outcrops

Posted on September 6, 2017 by rburnham

Possible low-calcium pyroxene outcrops south of Huygens Crater. Beautiful Mars series.

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CRISM: Low-calcium pyroxene in Nili Fossae

Posted on June 3, 2014 by rburnham

Although much of the excitement in exploring Mars is linked to past water, the vast majority of the planet’s crust is unaltered igneous rock. And most of that rock is basalt, the most common type of igneous rock, or some … Continue reading →

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Cracks in the basement

Posted on August 11, 2011 by rburnham

When geological forces open a crack in bedrock, molten magma can squeeze in and widen it, after which the magma cools and hardens in place. The result is a dike, and such features let geologists delve into an outcrop’s history … Continue reading →

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