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Tag Archives: collapse pits
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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THEMIS: Arsia Mons’ collapse pits
THEMIS Image of the Day, January 1, 2018. This VIS image shows part of the northeastern flank of Arsia Mons at the summit caldera. In this region the summit caldera does not have a steep margin most likely due to … Continue reading
Posted in Reports
Tagged Arizona State University, Arsia Mons, ASU, 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: Collapse features on flank of Ascraeus Mons
THEMIS Image of the Day, September 5, 2017. This image shows part of the northeastern flank of Ascraeus Mons, along the trend that joins the three large Tharsis volcanoes. The image has a myriad of collapse features from circular to … Continue reading
Posted in Reports
Tagged Arizona State University, Ascraeus Mons, ASU, collapse features, collapse pits, lava channels, lava flows, Mars Odyssey, NASA, Tharsis, THEMIS, THEMIS Image of the Day, Thermal Emission Imaging System, volcanics, volcanism, volcanos
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HiRISE: South polar pit or an impact crater?
It is late summer in the Southern hemisphere, so the Sun is low in the sky and subtle topography is accentuated in orbital images. We see many shallow pits in the bright residual cap of carbon dioxide ice (also called … Continue reading
Posted in Reports
Tagged collapse pits, High Resolution Imaging Science Experiment, HiRISE, impacts, Mars Reconnaissance Orbiter, MRO, NASA, Swiss-cheese terrain, University of Arizona
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THEMIS: Lava tube skylights in Daedalia Planum
THEMIS Image of the Day, May 19, 2017. Today’s VIS image show lava flows in Daedalia Planum that originated from Arsia Mons. At lower right, note the three circular “skylights” — places where the roof of an underground lava tube … Continue reading
Posted in Reports
Tagged Arizona State University, Arsia Mons, ASU, collapse pits, Daedalia Planum, lava flows, lava tubes, Mars Odyssey, NASA, THEMIS, THEMIS Image of the Day, Thermal Emission Imaging System, volcanics
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HiRISE: Pits and channels of Hebrus Valles
The drainages in this image are part of Hebrus Valles, an outflow channel system likely formed by catastrophic floods. Hebrus Valles is located in the plains of the Northern lowlands, just west of the Elysium volcanic region. Individual channels range … Continue reading
Posted in Reports
Tagged channels, collapse pits, Hebrus Valles, High Resolution Imaging Science Experiment, HiRISE, Mars Reconnaissance Orbiter, MRO, NASA, University of Arizona
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HiRISE: Mesas and pits
What’s up and what’s down? This image covers mesas, or high-standing plateaus, to the north and pits, or low-standing, depressions to the south. If it looks the other way around, then you are not seeing the topography correctly. Remember that … Continue reading
Posted in Reports
Tagged collapse pits, High Resolution Imaging Science Experiment, HiRISE, Mars Reconnaissance Orbiter, mesas, MRO, NASA, pits, University of Arizona
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THEMIS: Tractus Catena
THEMIS Image of the Day, July 5, 2016. This VIS image shows part of Tractus Catena, just one of many north/south trending tectonic graben located south of Alba Mons. The features running vertically in the image are part of Tractus … Continue reading
Posted in Reports
Tagged Arizona State University, ASU, collapse pits, graben, Mars Odyssey, NASA, tectonics, THEMIS, THEMIS Image of the Day, Thermal Emission Imaging System, Tractus Catena, volcanics
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HiRISE: Faulted layers in collapse pits
This image shows a set of coalesced collapse pits in western Valles Marineris. Fine layers are exposed in the walls of the pits, and in some places those layers are displaced by faults. What formed these layers, and what caused … Continue reading
Posted in Reports
Tagged collapse pits, High Resolution Imaging Science Experiment, HiRISE, Mars Reconnaissance Orbiter, MRO, NASA, University of Arizona, Valles Marineris
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HiRISE: Pit near Elysium Mons
Pit near Elysium Mons. Beautiful Mars series.
Posted in Reports
Tagged Beautiful Mars, collapse pits, Elysium Mons, High Resolution Imaging Science Experiment, HiRISE, Mars Reconnaissance Orbiter, MRO, NASA, pit craters, University of Arizona, volcanics
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