Tag Archives: tectonics

HiRISE: Faults in Melas Chasma

Faults in Melas Chasma. Beautiful Mars series.

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THEMIS: Grazing sunlight on rough terrain

THEMIS Image of the Day, June 7, 2016. The ridges in this VIS image are creating shadows due to low Sun angle. Shadows can give indications of the shape of the feature that is casting the shadow. Here, the late … Continue reading

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THEMIS: Tectonics in Sirenum Fossae

THEMIS Image of the Day, May 3, 2017. Today’s false color image shows part of Sirenum Fossae. The linear depressions in this image, called graben, were formed by tectonic activity. The THEMIS VIS camera contains 5 filters. The data from … Continue reading

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THEMIS: Tempe Fossae graben in false color

THEMIS Image of the Day, April 14, 2017. Today’s false color image shows a section of Tempe Fossae located in Tempe Terra. This is a graben that formed when subsurface forces pulled the ground apart, and a portion of the … Continue reading

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THEMIS: Angustus Labyrinthus, the “Inca City”

THEMIS Image of the Day, April 5, 2017. The ridges in this VIS image are part of Angustus Labyrinthus. The intersecting ridges were most likely formed due to tectonic activity. When this feature was first observed by the Mariner 9 … Continue reading

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THEMIS: Cracks across Margaritifer Terra plains

THEMIS Image of the Day, March 13, 2017. Today’s false color image shows part of the plains of Margaritifer Terra, cracked by geological faulting. The THEMIS VIS camera contains 5 filters. The data from different filters can be combined in … 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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HiRISE: Catena on Alba Mons

Catena on Alba Mons. Beautiful Mars series.

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