Tag Archives: tectonics

THEMIS: Elysium Fossae

Posted on September 3, 2019 by rburnham

THEMIS Image of the Day, September 3, 2019. This VIS image is located west of Elysium Mons in the region called Elysium Fossae. The fossae are comprised of both linear and sinuous channels, usually interpreted to have both fluid and … Continue reading →

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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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HiRISE: Narrow troughs

Posted on August 23, 2019 by rburnham

Narrow troughs. What exactly are the nature of these thin, narrow troughs? They might may be part of a system of dikes that came from the same magma source that fed the whole area in Thaumasia Planum, just south of … 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: Mega-gullies in Sinai Planum

Posted on July 31, 2019 by rburnham

THEMIS Image of the Day, July 31, 2019. Today’s VIS image shows part a section of a mega gully. Located on the plains of Sinai Planum, it is just one of a number of huge channels that line the cliff … 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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HiRISE: Ridge in Hesperia Planum

Posted on July 5, 2019 by rburnham

A ridge in Hesperia Planum. Our objective is to look for fault offsets to see if these thrusts are surface breaking or not. Hesperia Planum is a broad lava plain in the southern highlands of Mars. The plain is notable … Continue reading →

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