Tag Archives: graben

THEMIS: Graben and pits in Sirenum Fossae

Posted on November 20, 2018 by rburnham

THEMIS Image of the Day, November 20, 2018. This VIS image is located in Sirenum Fossae near Daedalia Planum. The arc at the bottom of the image is the rim of a crater that was dissected when the tectonic event … Continue reading →

Posted in Reports | Tagged , , , , , , , , , , , | Comments Off

THEMIS: Channel in Coracis Fossae

Posted on November 19, 2018 by rburnham

THEMIS Image of the Day, November 19, 2018. Today’s VIS image shows one of the numerous channel features that dissect the highlands between Solis Planum and Aonia Terra. The linear features in the region include both tectonic graben and fluvial … Continue reading →

Posted in Reports | Tagged , , , , , , , , , , , | Comments Off

THEMIS: Graben in Sirenum Fossae

Posted on November 5, 2018 by rburnham

THEMIS Image of the Day, November 5, 2018. This VIS image shows a section of Sirenum Fossae. The linear features are called graben, and are a sure sign of tension force in the local crust. Graben are formed by blocks … Continue reading →

Posted in Reports | Tagged , , , , , , , , , , | Comments Off

THEMIS: Tectonic ‘grid’ in Noctis Labyrinthis, plus a landslide triggered by impact

Posted on October 30, 2018 by rburnham

THEMIS Image of the Day, October 30, 2018. This VIS image is located in Noctis Labyrinthus. There are two directions of faults visible, which intersect at an approximately 90 degree angle. The faults running from bottom right to upper left … Continue reading →

Posted in Reports | Tagged , , , , , , , , , , , | Comments Off

HiRISE: Possible rock falls on steep slopes

Posted on October 29, 2018 by rburnham

Possible rock falls on steep slopes in Cerberus Fossae. Our goal here is to take “before” images at HiRISE resolution in order to identify fresh rockfalls that might be able to be associated with seismic events or Marsquakes detected by … Continue reading →

Posted in Reports | Tagged , , , , , , , , , , , , , , , , , | Comments Off

THEMIS: Graben in Tempe Fossae in false color

Posted on October 26, 2018 by rburnham

THEMIS Image of the Day, October 26, 2018. This false-color VIS image shows part of Tempe Fossae. Tempe Fossae is a series of tectonic graben that cross Tempe Terra. The downward movement of blocks of material between bounding faults create … Continue reading →

Posted in Reports | Tagged , , , , , , , , , , | Comments Off

THEMIS: Lava channels on Pavonis Mons

Posted on August 24, 2018 by rburnham

THEMIS Image of the Day, August 24, 2018. This VIS image shows part of the southwestern flank of Pavonis Mons. The channel and nearby oval depressions are both related to the flow of lava. Narrow lava flows can create channels. … Continue reading →

Posted in Reports | Tagged , , , , , , , | Comments Off

THEMIS: Channel flow in Sacra Fossae

Posted on August 16, 2018 by rburnham

THEMIS Image of the Day, August 16, 2018. The right-angle intersection of the depressions in this VIS image is one of the graben that form Sacra Fossae. The fossae are located on Sacra Mensa, near the beginning of Kasei Valles. … Continue reading →

Posted in Reports | Tagged , , , , , , , , , , | Comments Off

THEMIS: Fault-edged blocks of Sacra Fossae

Posted on August 2, 2018 by rburnham

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 →

Posted in Reports | Tagged , , , , , , , , , , , , | Comments Off

THEMIS: Giant pit crater collapse on Alba Mons

Posted on July 10, 2018 by rburnham

THEMIS Image of the Day, July 10, 2018. This VIS image is located on the eastern flank of Alba Mons. Linear faults and graben surround the volcano aligned north/south, intersecting and deflected around the summit. The large graben is called … Continue reading →

Posted in Reports | Tagged , , , , , , , , , , , | Comments Off