Tag Archives: Margaritifer Terra

THEMIS: Chaos in Morava Valles

Posted on September 5, 2019 by rburnham

THEMIS Image of the Day, September 5, 2019. Located in Margaritifer Terra, Morava Valles is one of several channels that empty northward towards Chryse Planitia. Chaos terrain is typified by regions of blocky, often steep sided, mesas interspersed with deep … Continue reading →

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HiRISE: Sedimentary infill

Posted on August 19, 2019 by rburnham

Interaction. This crater and many of those surrounding it are filled with layered sedimentary material. There are various theories for the origin of this layered fill, and this image will help to constrain the relationship of the fill to the … Continue reading →

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HRSC: A chaos found only on Mars

Posted on June 28, 2019 by rburnham

The cracked, uneven, jumbled landscape seen in this image from ESA’s Mars Express forms an intriguing type of terrain that cannot be found on Earth: chaotic terrain. The feature visible here, Aurorae Chaos, is located in the ancient and equatorial … Continue reading →

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HiRISE: An elongated pit in Margaritifer Terra

Posted on February 11, 2019 by rburnham

An elongated pit in Margaritifer Terra. There is nothing more interesting than a feature that resembles a giant amoeba. Margaritifer Terra is an ancient, heavily cratered region, centered just south of the Martian equator, and covers 2600 kilometers at its … Continue reading →

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HiRISE: Rough texture, dark dunes

Posted on September 19, 2018 by rburnham

Rough texture, dark dunes. There is a variety of substrate textures in this image, including a ridge-groove corrugation that is reminiscent of some features in Gale Crater. Beautiful Mars series. [More at links]

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THEMIS: Ares Valles’ long winding channel

Posted on July 25, 2018 by rburnham

THEMIS Image of the Day, July 25, 2018. Today’s VIS image shows part of Ares Vallis, one of the large channels in Margaritfer Terra that empty into Chryse Planitia. See more THEMIS Images of the Day by geological subject.

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THEMIS: Collapsing ground in Margaritifer Chaos

Posted on June 26, 2018 by rburnham

THEMIS Image of the Day, June 26, 2018. Today’s VIS image shows a small section on Margaritifer Chaos. The term chaos is applied to regions where the surface is being eroded to form mesas. As the surface processes continue individual … Continue reading →

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HRSC: Window to a watery past

Posted on June 8, 2017 by rburnham

This 70 km-wide crater and its surrounds offer a window into the watery past of the Red Planet. The scene, captured by ESA’s Mars Express, is a composite of two images taken in March 2007 and February 2017. It focuses … Continue reading →

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HiRISE: A closer look at Holden Crater

Posted on March 16, 2017 by rburnham

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 →

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THEMIS: Secondary craters in Margaritifer Terra

Posted on March 15, 2017 by rburnham

THEMIS Image of the Day, March 15, 2017. Today’s false color image shows part of the plains of Margaritifer Terra. The swarm of craters at right was likely produced by the impact of debris ejected from a bigger impact elsewhere … Continue reading →

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