Tag Archives: basaltic sand

THEMIS: Basaltic sands in Russell Crater dune ridge

THEMIS Image of the Day, August 11, 2017. This image shows the western part of the dune field on the floor of Russell Crater. This is a false color image of Russell crater and it’s surroundings. Sand dunes usually appear … Continue reading

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

HiRISE: The White Cliffs of ‘Rover’

This image reminds us of the rugged and open terrain of a stark shore-line, perhaps of an island nation, such as the British Isles. A close-up in enhanced color produces a striking effect, giving the impression of a cloud-covered cliff … Continue reading

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

THEMIS: False color dunes in Noachis Terra

THEMIS Image of the Day, May 22, 2017. Today’s false color image shows dunes on the floor of an unnamed crater in Noachis Terra. The blue false-color tint suggests the dunes are made of basaltic sand. The THEMIS VIS camera … Continue reading

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

HiRISE: Windblown sand in Ganges Chasma

Dark, windblown sand covers intricate sedimentary rock layers in this image from Ganges Chasma, a canyon in the Valles Marineris system. These features are at once familiar and unusual to those familiar with Earth’s beaches and deserts. Most sand dunes … Continue reading

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

THEMIS: Matara Crater’s sand dunes

THEMIS Image of the Day, April 20, 2017. Today’s false color image shows the sand sheet with surface dune forms on the floor of Matara Crater in Noachis Terra. Blue false color suggests basaltic sand, and Matara Crater is one … Continue reading

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

THEMIS: Terra Cimmeria’s sand traps

THEMIS Image of the Day, March 10, 2017. This infrared image covers a large swath of Terra Cimmeria, including numerous craters with dunes and dune fields on their floors, as well as dunes located on the plains between craters. Dunes … Continue reading

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

THEMIS: Sands of Gale Crater

THEMIS Image of the Day, February 15, 2017. Today’s false color image shows part of Gale Crater. Basaltic sands are dark blue in this type of false color combination. The Curiosity Rover is located in another portion of Gale Crater, … Continue reading

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

THEMIS: Basaltic sands in Argyre hills

THEMIS Image of the Day, February 7, 2017. Today’s false color image shows several areas of dunes and sand sheets with dune forms between the numerous hills in this region west of Argyre Planitia. Basaltic sand appears dark blue in … Continue reading

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

HiRISE: Changing dunes of Wirtz Crater

The large dark feature is a classic Martian sand dune. Most sand on Earth is made from the mineral quartz, which is white and bright. On Mars, most sand is composed of dark basalt, a volcanic rock. For this reason, … Continue reading

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

THEMIS: Gale Crater mound’s northern side

THEMIS Image of the Day, January 20, 2017. Today’s false color image shows part of the floor of Gale Crater and the northern side of Mt. Sharp (Aeolis Mons). The blue-colored areas on the crater floor are likely dunes made … Continue reading

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