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Tag Archives: tectonics
THEMIS: Fault-edged blocks of Sacra Fossae
THEMIS Image of the Day, August 2, 2018. The right angle intersections in this VIS image are some of the graben that form Sacra Fossae. The fossae are located on the margin of Lunae Planum near the beginning of Kasei … Continue reading
Posted in Reports
Tagged Arizona State University, ASU, faulting, graben, groundwater, Lunae Planum, Mars Odyssey, NASA, Sacra Fossae, tectonics, THEMIS, THEMIS Image of the Day, Thermal Emission Imaging System
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THEMIS: Not quite round
THEMIS Image of the Day, July 23, 2018. This VIS image shows an unnamed crater in Noachis Terra. The crater is relatively young, with several different structures on the floor and rim still visible. The inner rim of the crater … Continue reading
Posted in Reports
Tagged Arizona State University, ASU, impact craters, impact processes, Mars Odyssey, NASA, oblique impacts, tectonics, THEMIS, THEMIS Image of the Day, Thermal Emission Imaging System
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THEMIS: Winding channels of Elysium Fossae
THEMIS Image of the Day, July 16, 2018. Today’s VIS image shows part of one of the Elysium Fossae on the western flank of the Elysium volcanic complex. The fossae have both a tectonic and volcanic origin. The linear fractures, … Continue reading
Posted in Reports
Tagged Arizona State University, ASU, Elysium Fossae, Elysium Planitia, lava flows, Mars Odyssey, NASA, tectonics, THEMIS, THEMIS Image of the Day, Thermal Emission Imaging System, volcanics
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HiRISE: Fractures on Pavonis Mons
Fractures on Pavonis Mons. This observation was suggested by students at the Mars Academy in Brazil. Here is their original rationale: “This “stressed-out” region of the northeastern slopes of Pavonis Mons contains multiple sets of sub-parallel faults, with down-thrown blocks indicating tensional … Continue reading
Posted in Reports
Tagged Beautiful Mars, faulting, High Resolution Imaging Science Experiment, HiRISE, Mars Reconnaissance Orbiter, MRO, NASA, Pavonis Mons, tectonics, University of Arizona, volcanics
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THEMIS: Giant pit crater collapse on Alba Mons
THEMIS Image of the Day, July 10, 2018. This VIS image is located on the eastern flank of Alba Mons. Linear faults and graben surround the volcano aligned north/south, intersecting and deflected around the summit. The large graben is called … Continue reading
Posted in Reports
Tagged Alba Mons, Arizona State University, ASU, graben, Mars Odyssey, NASA, Phlegethon Catena, tectonics, THEMIS, THEMIS Image of the Day, Thermal Emission Imaging System, volcanics
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THEMIS: Flood-scoured island-mesa in Kasei Valles
THEMIS Image of the Day, July 9, 2018. Today’s VIS image is located near the beginning of Kasei Valles. At the top of the image is the relative high land of Lunae Planum. The Kasei Valles channel is just below. … Continue reading
Posted in Reports
Tagged Arizona State University, ASU, flood scouring, Kasei Valles, Mars Odyssey, NASA, outflow channels, tectonics, THEMIS, THEMIS Image of the Day, Thermal Emission Imaging System
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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: Nilosyrtis Mensae
Let us now contemplate Nilosyrtis Mensae. There is a fault attached to a trough here; both have the same orientation. This image helps us to understand stress fields on Mars. Beautiful Mars series. [More at links]
Posted in Reports
Tagged Beautiful Mars, faults, High Resolution Imaging Science Experiment, HiRISE, Mars Reconnaissance Orbiter, MRO, NASA, Nilosyrtis Mensae, tectonics, troughs, University of Arizona
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THEMIS: Dust avalanches in Lycus Sulci
THEMIS Image of the Day, June 14, 2018. Lycus Sulci is a very complex region surrounding the northern and western flanks of Olympus Mons. This VIS image shows some of the tectonic ridges found in Lycus Sulci as well as … Continue reading
Posted in Reports
Tagged Arizona State University, ASU, dark slope streaks, dust avalanches, Lycus Sulci, Mars Odyssey, NASA, tectonics, THEMIS, THEMIS Image of the Day, Thermal Emission Imaging System
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