Tag Archives: lava flows

THEMIS: Lava ridge on flank of Pavonis Mons

THEMIS Image of the Day, August 26, 2019. Today’s VIS image shows lava flows near the flank of Pavonis Mons. Pavonis Mons is one of the three large aligned Tharsis region volcanoes. At top is a fine example of a … Continue reading

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THEMIS: Arsia Mons lava flows

THEMIS Image of the Day, August 23, 2019. Arsia Mons is the southernost of the large aligned Tharsis volcanoes. Flows originating at Arsia Mons cover a vast region. The flows in this VIS image are part of the SW flow … Continue reading

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THEMIS: Granicus Valles channel

THEMIS Image of the Day, August 22, 2019. A section of Granicus Valles crosses the center of this VIS image. Granicus Valles is a complex channel system located west of Elyisum Mons. The channel system is about 750km long. It … Continue reading

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THEMIS: Ascraeus Mons lava flows

THEMIS Image of the Day, August 20, 2019. The lava flows and other volcanic features in this VIS image (such as pit crater and pit chains) are part of Ascraeus Mons. Ascraeus Mons is the middle volcano in the aligned … Continue reading

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THEMIS: Ascraeus Mons flank and lava plains

THEMIS Image of the Day, August 1, 2019. This VIS image is located where the southeastern flank of Ascraeus Mons meets the surrounding volcanic plains. Ascraeus Mons is the northernmost of the three large Tharsis volcanoes. Explore more THEMIS Images … Continue reading

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Daedalia Planum flows combine dusty surfaces and exposed lava outcrops

[Editor’s note: From a paper by Christine Simurda and two co-authors recently published in the Journal of Geophysical Research.] The Unusual Thermophysical and Surface Properties of the Daedalia Planum Lava Flows • Unusual thermophysical variations are present on lava flows … Continue reading

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HiRISE: This far and no further!

This far and no further! The very top of this image shows the edge of ancient lava flow that went no further across the plain. It’s also a natural boundary in the reflectivity (albedo) of the surface. HiRISE Picture of … Continue reading

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HiRISE: Terraced trough near Ceraunius Fossae

A terraced trough near Ceraunius Fossae. This may be a source region of flow material that enclosed the adjacent raised ridges and continues on to the north. High resolution can help to determine if the terraced forms are due to … Continue reading

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THEMIS: Tharsis Tholus volcano flank

THEMIS Image of the Day, June 28, 2019. This VIS image is located on the flank of Tharsis Tholus. The Tharsis region of Mars is dominated by large volcanoes and extensive lava plains. Explore more THEMIS Images of the Day … Continue reading

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HiRISE: When lava moved

When lava moved. The objective of this observation is to examine the remains of an ancient lava flow moving in a trough in the Claritas Fossae region. Pictures like this may tell us more about how lava flowed on Mars. … Continue reading

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