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Tag Archives: volcanism
THEMIS: Hecates Tholus
THEMIS Image of the Day, March 10, 2014. Multiple channels dissect the northwestern flank of Hecates Tholus in this VIS image. More THEMIS Images of the Day by geological topic.
Posted in Reports
Tagged Arizona State University, ASU, Hecates Tholus, lava, Mars Odyssey, NASA, Tharsis, THEMIS, Thermal Emission Imaging System, volcanics, volcanism
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HRSC: Daedalia Planum closeup
Close-up view of the two dominant lava flows that reach the foot of the highland terrain (seen at the top of the image in this orientation). The older of the two eruptions produced the smooth lava surface to the south … Continue reading
Posted in Reports
Tagged Daedalia Planum, DLR, ESA, European Space Agency, graben, High Resolution Stereo Camera, HRSC, lava, lava flows, Mars Express, MEX, tectonics, volcanics, volcanism
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THEMIS: Ceraunius Tholus
THEMIS Image of the Day, March 6, 2014. Multiple channels dissect the northern flank of Ceraunius Tholus in this VIS image. More THEMIS Images of the Day by geological topic.
Posted in Reports
Tagged Arizona State University, ASU, Ceraunius Tholus, lava channels, Mars Odyssey, NASA, Tharsis, THEMIS, Thermal Emission Imaging System, volcanics, volcanism, volcanos
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HiRISE: Unusual flow margin
Beautiful Mars series: Unusual flow margin in Phlegra Dorsa. More Beautiful Mars images.
Posted in Reports
Tagged Beautiful Mars, High Resolution Imaging Science Experiment, HiRISE, lava flows, Mars Reconnaissance Orbiter, MRO, NASA, Phlegra Dorsa, University of Arizona, volcanics, volcanism
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HiRISE: Small volcano
Beautiful Mars series: Small volcano to the southwest of Tombaugh Crater. More Beautiful Mars images.
Posted in Reports
Tagged Beautiful Mars, High Resolution Imaging Science Experiment, HiRISE, Mars Reconnaissance Orbiter, MRO, NASA, Tombaugh Crater, University of Arizona, volcanics, volcanism, volcanos
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THEMIS image: Into the crater
THEMIS Image of the Day, February 28, 2014. Several channels are located on the flank of Hecates Tholus. In this VIS image one of those channels enters a crater, creating a deposit on the floor of the crater. Age relationships … Continue reading
Posted in Reports
Tagged Arizona State University, ASU, channels, Hecates Tholus, lava channels, Mars Odyssey, NASA, THEMIS, Thermal Emission Imaging System, volcanics, volcanism
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Pressure-release melting put rocky floors into early Mars craters
Martian craters in the highlands that are wider than 10 kilometers (6 miles) often have flat, smooth, shallow floors. This fact has been noted since the first spacecraft images of Mars were taken by NASA’s Mariner 4 in 1965. Over … Continue reading
Posted in Reports
Tagged craters, decompression melting, mantle, pressure-release melting, volcanism
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Supervolcanos in Arabia on Mars: Update
The idea of giant volcanos erupting in Arabia was proposed by Joseph Michalski (Planetary Science Institute) in a talk at the Lunar and Planetary Science Conference in March 2013. Michalski and coauthor Jacob Bleacher (NASA Goddard Space Flight Center) have … Continue reading
Posted in Reports
Tagged Arabia Terra, Eden Patera, Euphrates Patera, explosive volcanism, Ismenia Patera, Oxus Cavus, Oxus Patera, Semeykin Crater, Siloe Patera, supervolcanos, volcanic activity, volcanic ash, volcanism, volcanos
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Does Arabia show a new style of Martian volcanism?
Arabia is one of the largest and oldest regions of Mars. Among its varied rocks are widespread deposits of soft and easily eroded ones which may have a volcanic origin. However, Arabia has no obvious volcanic vents or sources.
Posted in Reports
Tagged Arabia Terra, Eden Patera, Euphrates Patera, explosive volcanism, Ismenia Patera, LPSC 2013, Oxus Patera, pyroclastic eruptions, Semeykin Crater, Siloe Patera, volcanism, volcanos
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Mars’ explosive childhood
Mars is widely understood to be a volcanic planet — its surface shows abundant evidence of volcanic activity, both ancient and more recent. Spacecraft detect lava flows in many locations, and spectroscopic evidence of volcanic rocks lies almost everywhere. The … Continue reading
Posted in Reports
Tagged climate, Coprates Chasma, early Mars, magnetic field, Mars Odyssey, THEMIS, thermal inertia, Valles Marineris, volcanism, volcanos
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