Tag Archives: volcanics

HiRISE: Linear vent and flows to the southeast of Zunil Crater

A linear vent and flows to the southeast of Zunil Crater. This is located within the Elysium quadrangle on Mars, a region with a volcanic past that for which we can still see evidence of old lava flows. Beautiful Mars … Continue reading

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THEMIS: High on the east flank of Pavonis Mons

THEMIS Image of the Day, October 11, 2018. This false-color VIS image shows the eastern flank of Pavonis Mons. The darker streaks are created by wind action, and the curving lines are faults produced when the volcano “relaxed” under the … Continue reading

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THEMIS: Over the summit of Pavonis Mons

THEMIS Image of the Day, September 28, 2018. Today’s VIS image crosses the flanks and summit of Pavonis Mons. Calderas are down-dropped areas which collapse when lava inside the volcano withdraws, removing its support for the heavy rock layers above. … Continue reading

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HiRISE: Clay outcrop near Maja Valles

A clay outcrop near Maja Valles. Maja Valles is a large, ancient outflow channel in the Lunae Palus quadrangle on Mars. The name is a Nepali word for “Mars”, and parts of the system have been partially buried by thin volcanic … Continue reading

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HiRISE: Up above the dust clouds

When much of Mars was enshrouded by a recent massive dust storm, HiRISE captured this clear view of the surface because of the target’s unique location. Olympus Mons is the biggest volcano in the Solar System, reaching a height of … Continue reading

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THEMIS: Pits and channels on Ascraeus Mons

THEMIS Image of the Day, August 28, 2018. This VIS image shows a portion of the northern flank of Ascreaus Mons. Multiple linear depressions cut across the surface lava flows, having formed after the surface in this region. The chains … Continue reading

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THEMIS: Intersecting lava channels & tectonics

THEMIS Image of the Day, August 27, 2018. The Tharsis region contains both large volcanoes and extensive lava plains. Most of the channel features in this region were formed by the flow of lava rather than the flow of water. … Continue reading

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THEMIS: Lava channels on Pavonis Mons

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

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THEMIS: Channels in volcanic ash

THEMIS Image of the Day, August 22, 2018. Tyrrhenus Mons is one of the oldest martian volcanoes and Tyrrhena Fossae is the largest of the channels dissecting the volcano. As well as being one of the oldest volcanoes, it is … Continue reading

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HiRISE: Dusty lava flows

Dusty lava flows. Try not to get choked up.

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