Tag Archives: lava flows

THEMIS: Where the volcanic mountain meets the volcanic plains

Posted on July 12, 2018 by rburnham

THEMIS Image of the Day, July 12, 2018. Olympus Rupes is the name of the large escarpment surrounding Olympus Mons. The escarpment is a cliff where there is a large elevation change over a short distance. This VIS image is … Continue reading →

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THEMIS: Daedalia Planum’s lava flows

Posted on July 11, 2018 by rburnham

THEMIS Image of the Day, July 11, 2018. The lava flows in this VIS image originate at Arsia Mons. Arsia Mons in the southermost of the three large Tharsis volcanoes. More THEMIS Images of the Day by geological topic.

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THEMIS: Flows upon flows on Olympus Mons

Posted on July 5, 2018 by rburnham

THEMIS Image of the Day, July 5, 2018. The lava flows seen in the VIS image are located on the northeastern flank of Olympus Mons. The lavas flowed from the lower left side of the image to the upper right, … Continue reading →

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Water floods and effusive volcanism in Hrad Vallis

Posted on June 28, 2018 by rburnham

[Editor’s note: From a paper by Christopher Hamilton and four co-authors recently published in the Journal of Geophysical Research.] • The Hrad Vallis region of Mars includes evidence of both aqueous flooding and effusive volcanism • Lava flows in the … Continue reading →

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THEMIS: Rough lava flows on Daedalia Planum

Posted on June 6, 2018 by rburnham

THEMIS image of the Day, June 6, 2018. Today’s VIS image shows a small portion of the lava flows that comprise Daedalia Planum. The flows originated at Arsia Mons, the youngest of the three Tharsis volcanoes. The Tharsis volcanoes are … Continue reading →

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HiRISE: Pits galore near Kasei Valles

Posted on May 29, 2018 by rburnham

Pits galore near Kasei Valles. These are located near the edge of a lava outflow region, for which there is evidence of subsurface tube flows. Beautiful Mars series. [More at links]

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THEMIS: Lava flows chopped by graben in Olympica Fossae

Posted on May 21, 2018 by rburnham

THEMIS Image of the Day, May 21, 2018. The linear channel in the bottom half of this VIS image is part of Olympica Fossae. Olympica Fossae is a complex channel form located on the Tharsis plains between Alba Mons and … Continue reading →

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HiRISE: All that the lava leaves behind

Posted on May 18, 2018 by rburnham

All that the lava leaves behind. There are streamlined and eroded forms in this lava channel, a region with very little HiRISE coverage. Beautiful Mars series. [More at links]

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HiRISE: Athabasca Valles lava

Posted on May 3, 2018 by rburnham

Athabasca Valles lava. It’s quite the jumbled mess down here. The northern toe of this mesa appears to contact and possibly overlie a rift in the lava crust, giving the impression that the mesa is younger. Beautiful Mars series. [More at … Continue reading →

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THEMIS: Daedalia Planum’s engulfing lava flows

Posted on May 2, 2018 by rburnham

THEMIS Image of the Day, May 2, 2018. At the bottom of this VIS image of Daedalia Planum is the the uppermost rim of an impact crater. The unnamed crater has been almost completely filled by lava flows originating from … Continue reading →

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