Tag Archives: volcanics

HiRISE: A sample of Phlegethon Catena

A sample of Phlegethon Catena. This area is full of graben, which are depressions that often run parallel to faults. Beautiful Mars series.

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HiRISE: Volcanic landforms in SE Elysium Planitia

Various volcanic landforms in southeast Elysium Planitia. The second image [above] is at full resolution, less than 1 km across, both are 279 km above the surface. Beautiful Mars series.

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HiRISE: Almost….

Almost… These two channels in Hebrus Valles almost made a connection, but alas… Beautiful Mars series.

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HiRISE: This broken land

This broken land. Surface near Athabasca Valles lava. Beautiful Mars series.

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HiRISE: Diverse composition and stratigraphy in the Claritas Region

Diverse composition and stratigraphy in the Claritas Region. This region, west of Solis Planum, is a tectonic and volcanic area located south-east of the Tharsis volcano group (the Tharsis Montes) on the Tharsis rise. It extends roughly north to south … Continue reading

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HiRISE: Dark materials on Olympus Mons

Dark materials on Olympus Mons. There are blocks of layered terrain within the Olympus Mons aureole. The aureole is a giant apron of chaotic material around the volcano, perhaps formed by enormous landslides off the flanks of the giant volcano. … Continue reading

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THEMIS: Volcanic vent in Arsia Mons caldera

THEMIS Image of the Day, January 5, 2018. This THEMIS image shows part of the southern margin of the summit caldera. This image contains a variety of features representing the major events related to the formation of the volcano. At … Continue reading

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THEMIS: Chains of pit craters near summit of Arsia Mons volcano

THEMIS Image of the Day, January 4, 2018. The three large aligned Tharsis volcanoes are Arsia Mons, Pavonis Mons and Ascraeus Mons (from south to north). There are collapse features on all three volcanoes, on the southwestern and northeastern flanks. … Continue reading

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THEMIS: Pits at caldera’s edge

THEMIS Image of the Day, January 3, 2018. This THEMIS image shows part of the caldera floor of Arsia Mons. It is not uncommon for calderas to have “flat” floors after the final explosive eruption the empties the subsurface magma … Continue reading

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THEMIS: Flows on the caldera floor of Arsia Mons

THEMIS Image of the Day, January 2, 2018. This THEMIS image shows part of the caldera floor of Arsia Mons. It is not uncommon for calderas to have “flat” floors after the final explosive eruption the empties the subsurface magma … Continue reading

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