Tag Archives: Nili Fossae

CRISM: Phyllosilicates in Nili Fossae

Posted on March 31, 2014 by rburnham

This image shows a site near Nili Fossae, a group of long, narrow tectonic depressions called graben. Mars’ crust is mostly made up of igneous rock and mafic materials, shown here with red denoting olivine. There are also aqueously-altered minerals … Continue reading →

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HiRISE: Large banded angular fragment in Nili Fossae

Posted on March 26, 2014 by rburnham

In a Context Camera (CTX) image, there is a large angular fragment that appears to have light and dark-toned bands. HiRISE images of similar fragments nearby also show this banding, and the resolution of our camera may help determine what … Continue reading →

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Hardened arteries in Nili and Nilo

Posted on January 30, 2013 by rburnham

Water seeping through conduits and cracks in the deep subsurface rocks of Nilosyrtis and Nili Fossae left behind minerals, like hard-water deposits that collect in the plumbing of your house. (Or cholesterol in your arteries.) Then as the softer rocks … Continue reading →

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