Tag Archives: Nili Fossae

HiRISE: Bedrock riddles of Nili Fossae

Posted on September 4, 2019 by rburnham

This image of the Nili Fossae region, to the west of the great Isidis basin, shows layered bedrock with many impact craters. Nili Fossae is one of the most mineralogically important sites on Mars. Remote observations by the infrared spectrometer … Continue reading →

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HiRISE: Possible jarosite on a plateau in Nili Fossae

Posted on July 31, 2019 by rburnham

Possible jarosite on a plateau in Nili Fossae. Recent analyses of CRISM data have discovered jarosite in this portion of the trough wall, possibly within a previously identified aluminum clay unit. Jarosite is a sulfate mineral also detected by the … Continue reading →

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HiRISE: Diverse lithologies of the Fourth Planet

Posted on February 26, 2019 by rburnham

Diverse lithologies of the Fourth Planet. This nice image is located in Syrtis Major, right next to Isidis Planitia and south of the Nili Fossae formations. On Mars. HiRISE Picture of the Day archive [More at links]

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Mars Express: Shaping the surface with water, wind, and ice

Posted on November 23, 2018 by rburnham

ESA’s Mars Express has imaged an intriguing part of the Red Planet’s surface: a rocky, fragmented, furrowed escarpment lying at the boundary of the northern and southern hemisphere. This region is an impressive example of past activity on the planet … Continue reading →

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THEMIS: False-color Nili Fossae

Posted on September 10, 2018 by rburnham

THEMIS Image of the Day, September 10, 2018. This image shows a small section of Nili Fossae. The darker blue tones are usually indications of basaltic sands. The THEMIS VIS camera contains 5 filters. The data from different filters can … Continue reading →

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THEMIS: Complex erosion on border of Nili Fossae and Isidis Planitia

Posted on May 29, 2018 by rburnham

THEMIS Image of the Day, May 29, 2018. This VIS image is located on the margin of the Nili Fossae region and Isidis Planitia. At the bottom of the image a channel feature is visible, the branch on the right … Continue reading →

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HiRISE: Ridge NW of Nili Fossae

Posted on December 5, 2016 by rburnham

Ridge northwest of Nili Fossae. Beautiful Mars series.

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THEMIS: Nili Fossae in false color

Posted on November 22, 2016 by rburnham

THEMIS Image of the Day, November 22, 2016. Today’s false color image shows part of Nili Fossae. This region of Mars lies near the Isidis impact basin. Not far away is one of eight potential landing sites for NASA’s Mars … Continue reading →

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HiRISE: A glimpse into history

Posted on November 14, 2016 by rburnham

Nothing gets a geologist more excited than layered bedrock, except perhaps finding a fossil or holding a meteorite in your hand. All of these things create a profound feeling of history, the sense of a story that took place ages … Continue reading →

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THEMIS: Nili Fossae – false color

Posted on September 8, 2016 by rburnham

THEMIS Image of the Day, September 7, 2016. Today’s false color image shows part of Nili Fossae. (Nili is on the list of candidate landing sites for NASA’s 2020 Mars rover.) The THEMIS camera contains 5 filters. The data from different … Continue reading →

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