HiRISE: High Resolution Imaging Science Experiment
This observation was requested because of an interesting mineral outcrop identified in CRISM mapping data. It is likely an iron/magnesium phyllosilicate (clay). Syrtis spans some 1,300 km (800 mi) wide, yet rises only about 1 km (3,300 ft) high and is one of the most prominent Hesperian volcanic complexes on Mars. (NASA/JPL-Caltech/UArizona)
This image shows one of millions of small (10s of meters in diameter) craters and their ejecta material that dot the Elysium Planitia region of Mars. (NASA/JPL-Caltech/UArizona)
Gorgonum Basin is one of several large basins within the Terra Sirenum region of Mars. Each basin has light-toned mounds, many of which contain clays. (NASA/JPL-Caltech/UArizona)
The objective of this observation is to examine a small channel on an old crater wall. The channel has cut through the rim in two places, and this scene, located north of the Hellas region, is also visible in Context Camera data. (NASA/JPL-Caltech/UArizona)
This observation features a possibly multi-layered lobe that might be ejecta from craters on southwest rim of the crater in which they occur. They could also be landslide deposits that pre-date those impacts, meaning that the ejecta had to have eroded away before re-exposing landslide lobes. Either way, the erosional expression is suggestive that the...
The objective of this observation is to examine gullies in an impact crater. Pictures like this one will help increase our inventory of Martian gullies, and perhaps lead to improved models. This scene is visible in CTX image P15_007045_1429. These gullies are quite small. (NASA/JPL-Caltech/UArizona)
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