Tag Archives: faulting

THEMIS: Fault-edged blocks of Sacra Fossae

THEMIS Image of the Day, August 2, 2018. The right angle intersections in this VIS image are some of the graben that form Sacra Fossae. The fossae are located on the margin of Lunae Planum near the beginning of Kasei … Continue reading

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HiRISE: Fractures on Pavonis Mons

Fractures on Pavonis Mons. This observation was suggested by students at the Mars Academy in Brazil. Here is their original rationale: “This “stressed-out” region of the northeastern slopes of Pavonis Mons contains multiple sets of sub-parallel faults, with down-thrown blocks indicating tensional … Continue reading

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THEMIS: Faulting and landslides in Tithonium Chasma

THEMIS Image of the Day, June 28, 2018. This VIS image shows the eastern edge of Tithonium Chasma, one of the large valley systems that comprise Valles Marineris. Large fractures are visible on the upper margin of the chasma. Downward … Continue reading

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How active is Mars seismically? A prediction

The Interior Exploration using Seismic Investigations, Geodesy, and Heat Transport (InSight) mission arrives on Mars in November 2018. In anticipation of its arrival, a group of researchers led by Dr. Ana-Catalina Plesa have focused on the seismic experiments, which aim to … Continue reading

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THEMIS: Big blocky faults in Sacra Fossae

THEMIS Image of the Day, April 19, 2018. Located on the western margin of Lunae Planum, Sacra Fossae is a group of linear depressions. The right angle turns and uniform width seen in this VIS image indicate that these channels … Continue reading

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HiRISE: The fault in our Mars

This image of northern Meridiani Planum shows faults that have disrupted layered deposits. Some of the faults produced a clean break along the layers, displacing and offsetting individual beds (yellow arrow). Interestingly, the layers continue across the fault and appear … Continue reading

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HiRISE: Faults and pitted mounds in Utopia Planitia

Faults and pitted mounds in Utopia Planitia. This is the summit of a high massif. Beautiful Mars series.

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THEMIS: Faults weaken summit caldera wall on Pavonis Mons

THEMIS Image of the Day, November 8, 2017. This image shows the western part of the smaller summit caldera on Pavonis Mons. On this side of the caldera is a complex region of fault related collapse of the wall of … Continue reading

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THEMIS: Lava tube takes a sharp turn

THEMIS Image of the Day, November 6, 2017. This image shows part of the eastern flank of Pavonis Mons. Surface lava flows run down hill from the upper left of the image towards the bottom right. Perpendicular to that trend … Continue reading

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THEMIS: Fractures on Pavonis Mons’ flank

THEMIS Image of the Day, October 31, 2017. This image shows part of the western flank of Pavonis Mons. The linear features are faults. Faulting usually includes change of elevation, where blocks of material slide down the fault. Paired faults … Continue reading

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