Tag Archives: volcanics

A proposed development sequence for the Elysium volcanic province

[Editor’s note: From a paper by Brian Kneller and two co-authors recently published in the Journal of Geophysical Research.] Correlation between graben orientation, channel direction change and tectonic loading: The Elysium Province, Mars • Graben are systematically arranged around sources … Continue reading

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THEMIS: Tectonics meets volcanism in Claritas Fossae

THEMIS Image of the Day, January 10, 2019. This VIS image shows part of Claritas Fossae. The linear features (fossae) are faults. This region of Mars had very active tectonism and volcanism, resulting in the huge volcanos like Arsia Mons … Continue reading

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THEMIS: Lava flow fronts in Daedalia Planum

THEMIS Image of the Day, December 26, 2018. Today’s VIS image shows a small portion of the immense lava flows that originated from Arsia Mons. Arsia Mons is the southernmost of the three large aligned volcanoes in the Tharsis region. … Continue reading

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HiRISE: Flows northwest of Elysium Mons

Flows northwest of Elysium Mons. Elysium Mons is flanked by the smaller volcanoes Hecates Tholus to the northeast, and Albor Tholus to the southeast. Beautiful Mars series. [More at links]

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HiRISE: Curving features at the source of Athabasca Valles

Curving features at the source of Athabasca Valles. These curving features are likely due to lava surges near the vent of Athabasca. Beautiful Mars series. [More at links]

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HiRISE: Acheron Catena

Acheron Catena. Beautiful Mars series. [More at links]

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THEMIS: Tectonics and volcanism in Syria Planum

THEMIS Image of the Day, December 4, 2018. This VIS image shows a linear depression in Syria Planum. Volcanic activity, including broad shield volcanoes and extensive volcanic plains created this region of the Tharsis system south of Noctis Labyrinthus. Linear … Continue reading

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THEMIS: Solis Planum lava flows and graben

THEMIS Image of the Day, November 30, 2018. Today’s VIS image shows part of Solis Planum. Both volcanic and tectonic forces created the features in this image. The linear features that run diagonally across the image are fault features called … Continue reading

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InSight: First photo of Elysium Planitia

Elysium Planitia, as seen through a dust-spattered dust cover. Click the image to enlarge it. NASA’s InSight Mars lander acquired this image of the area in front of the lander using its lander-mounted, Instrument Context Camera (ICC). This image was … Continue reading

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THEMIS: Swiss-cheese weathering in old volcanic region

THEMIS Image of the Day, November 22, 2018. Amphitrites Patera is an old volcanic complex located south of Hellas Planitia. The surface in this VIS image has a unusual “Swiss-cheese” texture, one seen more commonly on the nearby south polar … Continue reading

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