Tag Archives: layered deposits

HiRISE: Layers to behold

Layers to behold. A scarp and more on layered deposits in Ceti Mensa. Beautiful Mars series. [More at links]

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

THEMIS: Hebes Mensa

THEMIS Image of the Day, June 13, 2018. Located in the center of Hebes Chasma is a large deposit of layered material called Hebes Mensa. Extensive erosion has created gullies in the mensa and distributed fine sand size materials to … Continue reading

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

HiRISE: Exploring Meridiani Planum

The Opportunity rover has spent 13 years exploring a small region of Meridiani Planum which has a rather ordinary appearance. Other portions of Meridiani are much more interesting, with well-exposed layered bedrock eroded into strange patterns. [More at link]

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

HiRISE: Curved ridge and layered materials

Curved ridge and layered materials. Is the curved ridge a remnant of inverted stream channel sediment, crater ejecta, or something else (e.g., tectonic)? Are the layered materials sedimentary rock? Beautiful Mars series.

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

HiRISE: Meridiani crater’s fractured floor

It’s not only hearts that can break. This image shows the fractured floor of a large, ancient impact crater, located in Meridiani Planum, in the Northern hemisphere of Mars. Beautiful Mars series.

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

HiRISE: A layered mound in Juventae Chasma

Many of the chasmata (the plural of “chasma”) in Valles Marineris contain light-toned mounds that are distinct from the darker rocks that define the walls. The light-toned mounds, like this one in Juventae Chasma, generally contain sulfates, which are salts … Continue reading

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

THEMIS: Crater sands in false color

THEMIS Image of the Day, December 22, 2017. This is a false color image of Rabe Crater. In this combination of filters “blue” typically means basaltic sand. The THEMIS VIS camera contains 5 filters. The data from different filters can … Continue reading

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

THEMIS: Long swath across Rabe Crater in false color

THEMIS Image of the Day, December 21, 2017. This is a false color image of Rabe Crater. In this combination of filters “blue” typically means basaltic sand. This VIS image crosses the entire crater and demonstrates how extensive the dunes … Continue reading

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

THEMIS: Rabe Crater’s pit in false color

THEMIS Image of the Day, December 20, 2017. This is a false color image of Rabe Crater. In this combination of filters “blue” typically means basaltic sand. The THEMIS VIS camera contains 5 filters. The data from different filters can … Continue reading

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

THEMIS: Rabe Crater dunes in false color

THEMIS Image of the Day, December 19, 2017. This is a false color image of Rabe Crater. In this combination of filters “blue” typically means basaltic sand. The THEMIS VIS camera contains 5 filters. The data from different filters can … Continue reading

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