Tag Archives: graben

THEMIS: Thaumasia Planum in false color

THEMIS Image of the Day, February 8, 2017. Today’s false color image shows part of the plains of Thaumasia Planum. The THEMIS VIS camera contains 5 filters. The data from different filters can be combined in multiple ways to create … Continue reading

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THEMIS: Faulting & graben in Claritas Fossae

THEMIS Image of the Day, January 13, 2017. Today’s VIS image shows graben called Claritas Fossae. These are caused when the ground is pulled apart, and the land between parallel faults drops down. More THEMIS Images of the Day by … Continue reading

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THEMIS: Tectonics in Sirenum Fossae

THEMIS Image of the Day, January 12, 2017. The linear depressions in this VIS image are graben. Graben are formed from tectonic activity with large blocks of material moving downward between paired faults. The crater in the bottom half of … Continue reading

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THEMIS: Faulting cuts across Gorgonum Chaos

THEMIS Image of the Day, January 3, 2017. Today’s false color image shows part of Gorgonum Chaos. The linear features are tectonic faults, called graben, that are part of Sirenum Fossae. The THEMIS VIS camera contains 5 filters. The data … Continue reading

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THEMIS: ‘Channels’ in Icaria Fossae

THEMIS Image of the Day, December 8, 2016. The channel-like features in this VIS image are tectonic graben. The graben (called Icaria Fossae) are located in Terra Sirenum. The graben are caused by tectonic forces that faulted the bedrock, allowing … Continue reading

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THEMIS: Tectonics showcase in Sirenum Fossae

THEMIS Image of the Day, November 29, 2016. Today’s VIS image shows part of Sirenum Fossae, a large graben on the margin between Terra Sirenum and Daedalis Planum. Grabens are formed by the downward movement of material between parallel tectonic … Continue reading

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THEMIS: Canyons in the Labyrinth of Night

THEMIS Image of the Day, November 28, 2016. Today’s VIS image shows a small portion of Noctis Labyrinthus. Noctis Labyrinthus is a network of tectonic graben and collapse valleys on the western margin of Valles Marineris. More THEMIS Images of … Continue reading

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THEMIS: Pavonis Mons

THEMIS Image of the Day, November 8, 2016. This VIS image shows part of the area where Pavonis Chasma intersects with Pavonis Fossae. It is a region of lava flows from Pavonis Mons and depressions likely formed by collapse into … Continue reading

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HRSC: A record of ancient tectonic stress

Sets of ridges and troughs some 1000 km north of the giant Olympus Mons volcano contain a record of the intense tectonic stresses and strains experienced in the Acheron Fossae region on Mars 3.7–3.9 billion years ago. This scene, captured … Continue reading

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HiRISE: Cracked crater on a graben floor

Modified crater on graben floor. Beautiful Mars series.

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