Tag Archives: phyllosilicates

Seeking microbial biosignatures for studying Mars rocks

Scientists around Tetyana Milojevic from the Faculty of Chemistry at the University of Vienna are in search of unique biosignatures, which are left on synthetic extraterrestrial minerals by microbial activity. The biochemist and astrobiologist investigates these signatures at her own … Continue reading

Posted in Reports | Tagged , , , , , , , , | Comments Off

HiRISE: Crater with possible phyllosilicates

Crater with possible phyllosilicates in the Terra Cimmeria highlands. Beautiful Mars series.

Posted in Reports | Tagged , , , , , , , , , | Comments Off

HiRISE: The Painted Desert near Mawrth Vallis

The clay-rich terrain surrounding Mawrth Vallis is one of the most scenic regions of Mars, a future interplanetary park. Here, we cut a long, oblique view into strips to see the full color coverage in more compact form. The origin … Continue reading

Posted in Reports | Tagged , , , , , , , , | Comments Off

CRISM: Evidence of aqueous alteration near Mawrth Vallis

CRISM image 21BCB covers a region on the boundary of Chryse Planita, between Mawrth Vallis and Oyama crater. Chryse Planitia is a smooth circular 1600 km diameter plain that was a landing site for the U.S Viking 1 (landed July … Continue reading

Posted in Reports | Tagged , , , , , , , , , | Comments Off

HiRISE: Clay deposits in the Southern Highlands

Clay deposits in the Southern Highlands. Beautiful Mars series.

Posted in Reports | Tagged , , , , , , , , , , | Comments Off

CRISM: Clays near Mawth Vallis

Mawrth Vallis is an ancient Mars river channel (~15km wide) located along the crustal dichotomy boundary that exposes abundant light-toned layers of clay-rich rocks. Indicative of aqueous alteration, these clays may have been deposited during massive flooding events or in … Continue reading

Posted in Reports | Tagged , , , , , , , | Comments Off

HiRISE: Dragon scales of Mars

This intriguing surface texture is the result of rock interacting with water. The rock was then eroded and later exposed to the surface. The pinkish, almost dragon-like scaled texture represents Martian bedrock that has specifically altered into a clay-bearing rock. … Continue reading

Posted in Reports | Tagged , , , , , , , , | Comments Off

HiRISE: A closer look at Holden Crater

Holden Crater in southern Margaritifer Terra displays a series of finely layered deposits on its floor (white and light purple in an enhanced color image). The layered deposits are especially well exposed in the southwestern section of the crater where … Continue reading

Posted in Reports | Tagged , , , , , , , , , , , | Comments Off

Opportunity: Mini-mesa in the valley

Sol 4415-16, June 25-26, 2016. This little flat-topped feature, a mini-mesa¬†sitting on the floor of Marathon Valley with the profile of a tree-stump, is probably an erosional remnant. The Navcam composite view was taken on Sol 4415 and looks northward … Continue reading

Posted in Reports | Tagged , , , , , , , , , , , , | Comments Off

Opportunity: York target, post-brushing

Sol 4112, June 22, 2016. Opportunity is currently in the middle of one of the clay mineral areas spotted from orbit by the CRISM spectrometer on the Mars Reconnaissance Orbiter. The target area the rover is examining is dubbed York, … Continue reading

Posted in Reports | Tagged , , , , , , , , , , , , | Comments Off