Tag Archives: graben

THEMIS: Cerberus Fossae graben

Posted on August 30, 2019 by rburnham

THEMIS Image of the Day, August 30, 2019. The linear depressions at the top of the VIS image are some of the graben that comprise Cerberus Fossae. Graben form where extensional tectonic forces allows blocks of material to subside between … Continue reading →

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THEMIS: Nili Fossae graben

Posted on August 16, 2019 by rburnham

THEMIS Image of the Day, August 16, 2019. The two linear depressions in this VIS image are part of the Nili Fossae fracture system. Nili Fossae is the name of a collection of curved faults and down-dropped blocks of crust … Continue reading →

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THEMIS: Flank of Albor Tholus volcano

Posted on August 6, 2019 by rburnham

THEMIS Image of the Day, August 6, 2019. Today’s VIS image shows a portion of the flank of Albor Tholus, a volcano found in the Elysium volcanic complex. The pits and cracks may have formed when the volcano’s flank responded … Continue reading →

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THEMIS: Elysium Chasma

Posted on July 30, 2019 by rburnham

THEMIS Image of the Day, July 30, 2019. This fracture system is called Elysium Chasma. Located west of Elysium Mons, it is just one of many large fractures in the Elysium volcanic complex. Explore more THEMIS Images of the Day … Continue reading →

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THEMIS: Graben in Elysium Fossae

Posted on July 29, 2019 by rburnham

THEMIS Image of the Day, July 29, 2019. Today’s VIS image shows a section of one of the graben that comprise Elysium Fossae. Graben are formed during tectonic activity, where blocks of material slide down between paired faults. Graben are … Continue reading →

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THEMIS: Cerberus Fossae and Tartarus Montes

Posted on July 25, 2019 by rburnham

THEMIS Image of the Day, July 25, 2019. Today’s VIS image shows part of Cerberus Fossae. These large graben cut across the Tartarus Montes in Elysium Planitia. A graben forms when large blocks of material slide downward between paired faults … Continue reading →

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THEMIS: Hills and graben in Cerberus Fossae

Posted on July 8, 2019 by rburnham

THEMIS Image of the Day, July 8, 2019. The two linear depressions at the bottom of today’s VIS image are part of Cerberus Fossae. The features are termed graben and are formed by crustal extension that allows material to subside … Continue reading →

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THEMIS: Labeatis Fossae in Tempe Terra

Posted on July 4, 2019 by rburnham

THEMIS Image of the Day, July 4, 2019. The linear depressions in this VIS image are graben called Labeatis Fossae. Graben are formed when extension between paired faults causes the material to move downward. These are part of a general … Continue reading →

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THEMIS: Arsia Mons faults, graben, and pit craters

Posted on July 1, 2019 by rburnham

THEMIS Image of the Day, July 1, 2019. Today’s VIS image is located on the lower flank of Arsia Mons. The linear features are tectonic faults. The lava flows originating from Arsia Mons are among the youngest on the surface … Continue reading →

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THEMIS: Cyane Fossae on Alba Mons

Posted on June 21, 2019 by rburnham

THEMIS Image of the Day, June 21, 2019. This VIS image shows lava flows from Alba Mons, and a tectonic graben called Cyane Fossae. It is thought that the linear depressions that surround Alba Mons were created by a huge … Continue reading →

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