Tag Archives: lava flows

THEMIS: Rough lava flows on Daedalia Planum

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

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

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

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

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

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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HiRISE: Contact between an older shield volcano and younger flows

Contact between an older shield volcano and younger flows. Interested in the geologic contact here between the older shield volcano and the younger flows that enclose it. Beautiful Mars series. [More at links]

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HiRISE: Young lava flows

This image shows remarkably young lava flows in Elysium Planitia. There are almost no impact craters over this flow, indicating that it is probably only a few million years old—practically an infant in geologic time. [More at link]

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THEMIS: Bahram Vallis’ meandering channel

THEMIS Image of the Day, April 6, 2018. This VIS image shows a section of Bahram Vallis. Bahram Vallis is located on the northeastern margin of Lunae Planum. More THEMIS Images of the Day by geological topic.

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THEMIS: A peppering of small craters

THEMIS Image of the Day, April 4, 2018. This field of small dark craters is located in southern Elysium Planitia. The dark appearance against the surrounding lava flows suggests that the craters post-date the lava flows. The small “tails” near … Continue reading

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