Tag Archives: Nili Fossae

THEMIS: Nili Fossae

Posted on August 31, 2015 by rburnham

THEMIS Image of the Day, August 31, 2015. The linear depression in today’s VIS image is part of Nili Fossae. More THEMIS Images of the Day by geological topic.

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HRSC: Mysteries in Nili Fossae

Posted on January 22, 2015 by rburnham

The Nili Fossae graben system is an area of great geological interest near the giant Isidis impact basin, northeast of the Syrtis Major volcanic province. The graben system contains numerous troughs, part of one can be seen at the lower … Continue reading →

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THEMIS: False color surface [Nili Fossae]

Posted on December 26, 2014 by rburnham

THEMIS Image of the Day, December 26, 2014. The THEMIS VIS camera contains 5 filters. The data from different filters can be combined in multiple ways to create a false color image. These false color images may reveal subtle variations … Continue reading →

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CRISM: Hydrated minerals near Nili Fossae

Posted on December 5, 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: Out and about in a Nili Fossae crater

Posted on July 26, 2014 by rburnham

Out and about in a crater in northern Nili Fossae. Beautiful Mars series.

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HiRISE: Sample terrain near Nili Fossae

Posted on July 14, 2014 by rburnham

Sample terrain near Nili Fossae. Beautiful Mars series.

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CRISM: Mafic minerals in Nili Fossae

Posted on June 27, 2014 by rburnham

The vast majority of the planet’s crust is unaltered igneous rock although there are some occurrences of aqueously altered rocks linked to past water activity. The colors here show concentrations of different minerals common in rocks that might tell us … Continue reading →

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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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THEMIS: Channel

Posted on April 11, 2014 by rburnham

THEMIS Image of the Day, April 11, 2014. This complex channel is located in the Nili Fossae region. More THEMIS Images of the Day by geological topic.

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CRISM: Carbonate minerals in Nili Fossae

Posted on April 4, 2014 by rburnham

This image shows a site near Nili Fossae, a group of long, narrow tectonic depressions called graben, and reveals the presence of hydrated iron-magnesium (green) phyllosilicate and carbonate minerals (shown in yellow). Phyllosilicates, which include clay and clay-like minerals, form … Continue reading →

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