Tag Archives: sand sheets

THEMIS: Sand sheet, dunes in Matara Crater

Posted on April 22, 2019 by rburnham

THEMIS Image of the Day, April 22, 2019. Today’s VIS image shows the floor of Matara Crater. A large sand sheet with surface dune forms dominates the floor of this crater located in Noachis Terra. The dunes’ dark tone indicates … Continue reading →

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THEMIS: Sand dunes and sheets in Arabia Terra

Posted on April 10, 2019 by rburnham

THEMIS Image of the Day, April 10, 2019. This false-color VIS image is located in an unnamed crater in Arabia Terra. Dark blue tones in false color indicate basaltic sands. These sands have created the dunes seen in this image, … Continue reading →

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HiRISE: The hills in Juventae Chasma

Posted on April 3, 2019 by rburnham

This image captures some of the geologic diversity of Mars. There are hills of ancient terrains on the floor of Juventae Chasma, surrounded by younger sediments, including dark sand sheets and dunes that are likely active today. The hills are … Continue reading →

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THEMIS: Sand sheet in Matara Crater

Posted on February 13, 2019 by rburnham

THEMIS Image of the Day, February 13, 2019. Today’s VIS image shows the sand deposit on the floor of Matara Crater. The deposit is thick enough to hide the underlying crater floor creating a sheet of sand. Upon this sheet … Continue reading →

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THEMIS: Dunes and sand sheet in Rabe Crater

Posted on June 19, 2018 by rburnham

THEMIS Image of the Day, June 19, 2018. The large sand sheet with surface dune forms seen in this VIS image is located on the complex floor of Rabe Crater. The sand is likely derived by erosion into the deposit … Continue reading →

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HiRISE: Supremely sublime sliding sand sheets

Posted on February 26, 2018 by rburnham

Supremely sublime sliding sand sheets. East Melas Chasma. Beautiful Mars series.

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HiRISE: Exploring the sandy province of Herschel Crater

Posted on September 6, 2017 by rburnham

While perhaps not awe-inspiringly beautiful, sand sheets can tell us about Mars’ current and past environmental conditions as a piece of the puzzle for understanding habitability. This view shows the downwind stretches of a sand sheet in central part of … Continue reading →

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HiRISE: Monitoring sand sheets and dunes

Posted on June 12, 2017 by rburnham

This crater features sand dunes and sand sheets on its floor. What are sand sheets? Snow fall on Earth is a good example of sand sheets: when it snows, the ground gets blanketed with up to a few meters of … Continue reading →

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THEMIS: Sheet of sand dunes in Proctor Crater

Posted on May 10, 2017 by rburnham

THEMIS Image of the Day, May 10, 2017. This VIS image shows a portion of the dune sheet and other dune forms on the floor of Proctor Crater. More THEMIS Images of the Day by geological topic.

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THEMIS: Dune sheet in Proctor Crater

Posted on May 5, 2017 by rburnham

THEMIS Image of the Day, May 5, 2017. Today’s false color image shows part of the sand sheet with surface dune forms located on the floor of Proctor Crater. Proctor Crater is located in Noachis Terra. The THEMIS VIS camera … Continue reading →

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