Tag Archives: phyllosilicates

Opportunity: Pvt. Robert Frazer in false color

Sol 4148, September 25, 2015. The rover’s Pancam took a sequence of filtered frames on the target dubbed Pvt. Robert Frazer. Previously, this target was brushed, then drilled by the Rock Abrasion Tool (RAT), which removed the top surface of … Continue reading

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Opportunity: Looking for phyllosilicates

Sol 4140, September 17, 2015. Mission scientists are scanning the floor of Marathon Valley with the Pancam, looking for exposures of the “reddish banded” rock which has exposures in the valley and up on the rim. This unit may be … Continue reading

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Opportunity: Checking out Pvt. George Gibson

Sol 4139, September 15, 2015. Opportunity is examining the target dubbed Pvt. George Gibson, seen above in a pair of Navcam frames. At right is a false-color Pancam image of the target area (by Holger Isenberg). (Click images to enlarge.) … Continue reading

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HiRISE: Crater north of Hellas, with clay minerals?

I keep a silent vigil. A crater to the north of Hellas Planitia with possible phyllosilicates in the ejecta. Beautiful Mars series.

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HiRISE: Possible clay-rich terrain along crater rim

Possible clay-rich terrain along a crater rim. Beautiful Mars series.

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HiRISE: Phyllosilicates in Mare Serpentis

Phyllosilicates in eroded terrain in the Mare Serpentis region. Beautiful Mars series.

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HiRISE: Possible phyllosilicates in a butte remnant

Possible phyllosilicates in a butte remnant. Beautiful Mars series.

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CRISM: Phyllosilicates near Syrtis Major

This image shows a site near Syrtis Major, an expansive volcanic structure. This CRISM image displays olivine-rich rocks in red and rocks rich in iron-magnesium- containing clay-like minerals called phyllosilicates in various other colors. Olivine is present in most places … Continue reading

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CRISM: Olivine & phylosilicates near Syrtis Major

This image shows a site near Syrtis Major, an expansive volcanic structure. This CRISM image displays olivine-rich rocks in red and rocks rich in iron/magnesium-containing clay-like minerals called phyllosilicates in various other colors. Olivine is present in most places on … Continue reading

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CRISM: Fe/Mg phyllosilicates near Mawrth Vallis

This image shows iron/ magnesium-bearing hydrated minerals called phyllosilicates in a white/red color. Phyllosilicates are clay and clay-like minerals formed by chemical reactions with liquid water. They are very thin (microscopic) stacked layer crystal forms, also called sheet silicates. The … Continue reading

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