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Tag Archives: lava tubes
THEMIS: Pit chains and craters on Ascraeus Mons
THEMIS Image of the Day, November 7, 2018. The linear features in this VIS image are located on part of the large flow feature on the southern flank of Ascraeus Mons. The features most likely formed by collapse of the … Continue reading
Posted in Reports
Tagged Arizona State University, Ascraeus Mons, ASU, collapse features, lava flows, lava tubes, Mars Odyssey, NASA, pit chains, pit craters, THEMIS, THEMIS Image of the Day, Thermal Emission Imaging System, volcanics
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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
Posted in Reports
Tagged Arizona State University, Ascraeus Mons, ASU, collapse features, collapse pits, lava tubes, Mars Odyssey, NASA, pit craters, THEMIS, THEMIS Image of the Day, Thermal Emission Imaging System, volcanics
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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
Posted in Reports
Tagged collapse pits, graben, lava channels, lava flows, lava tubes, Pavonis Mons, pit craters, volcanics
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THEMIS: Terra Sabaea lava tube turned into an open channel
THEMIS Image of the Day, July 3, 2018. This VIS image is located in Terra Sabaea near the margin of Syrtis Major Planum. The channel-like feature in the bottom of the image is an unnamed feature. There is a high … Continue reading
Posted in Reports
Tagged Arizona State University, ASU, lava channel, lava tubes, Mars Odyssey, NASA, Syrtis Major, tectonics, Terra Sabaea, THEMIS, THEMIS Image of the Day, Thermal Emission Imaging System, volcanics
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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]
Posted in Reports
Tagged Beautiful Mars, collapse pits, High Resolution Imaging Science Experiment, HiRISE, Kasei Valles, lava flows, lava tubes, Mars Reconnaissance Orbiter, MRO, NASA, pits, University of Arizona, volcanics
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THEMIS: Twisting channels in Hebrus Valles
THEMIS Image of the Day, May 23, 2018. Located west of the Elysium Volcanic complex, Hebrus Valles is a complex channel system that flowed to the north. In this VIS image the channel features have the appearance of a channel … Continue reading
Posted in Reports
Tagged Arizona State University, ASU, fluvial channels, Hebrus Valles, lava channels, lava tubes, Mars Odyssey, NASA, THEMIS, THEMIS Image of the Day, Thermal Emission Imaging System, volcanics
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HiRISE: Almost….
Almost… These two channels in Hebrus Valles almost made a connection, but alas… Beautiful Mars series.
Posted in Reports
Tagged Beautiful Mars, Hebrus Valles, High Resolution Imaging Science Experiment, HiRISE, lava channels, lava tubes, Mars Reconnaissance Orbiter, MRO, NASA, University of Arizona, volcanics
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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
Posted in Reports
Tagged Arizona State University, Arsia Mons, ASU, calderas, collapse features, collapse pits, lava flows, lava tubes, Mars Odyssey, NASA, shield volcanos, Tharsis, THEMIS, THEMIS Image of the Day, Thermal Emission Imaging System, volcanics, volcanos
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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
Posted in Reports
Tagged Arizona State University, Arsia Mons, ASU, calderas, collapse features, collapse pits, lava flows, lava tubes, Mars Odyssey, NASA, shield volcanos, Tharsis, THEMIS, THEMIS Image of the Day, Thermal Emission Imaging System, volcanics, volcanos
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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
Posted in Reports
Tagged Arizona State University, Arsia Mons, ASU, calderas, collapse features, collapse pits, lava flows, lava tubes, Mars Odyssey, NASA, shield volcanos, Tharsis, THEMIS, THEMIS Image of the Day, Thermal Emission Imaging System, volcanics, volcanos
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