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Tag Archives: inverted channels
Evidence for fluvial deposition in Arabia Terra
[Editor’s note: From a paper by Joel Davis and six co-authors recently published in the Journal of Geophysical Research.] A Diverse Array of Fluvial Depositional Systems in Arabia Terra: Evidence for mid‐Noachian to Early Hesperian Rivers on Mars • Fluvial … Continue reading
Posted in Reports
Tagged Arabia Terra, fluvial channels, fluvial deposits, fluvial erosion, fluvial landforms, fluvial processes, inverted channels, lacustrine sediments, lake bed sediments, open-basin lakes, paleolakes, sedimentary deposits, sinuous ridge, valleys
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HiRISE: Transition
Transition. This image shows where a fluvial channel changes from a depression to an inverted high standing channel in Terra Sirenum. That change likely marks the spot where the material was possibly elevated and more resistant to erosion. HiRISE Picture … Continue reading
HiRISE: Positive relief features in Xanthe Terra
Positive relief features in Xanthe Terra. These relief features, which are positively gorgeous, might be inverted streams. Xanthe Terra is a large area on Mars, centered just north of the Martian equator. HiRISE Picture of the Day archive [More at … Continue reading
Posted in Reports
Tagged High Resolution Imaging Science Experiment, HiPOD, HiRISE, HiRISE Picture of the Day, inverted channels, inverted topography, Mars Reconnaissance Orbiter, MRO, NASA, University of Arizona, Xanthe Terra
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HiRISE: Branched ridges in NE Arabia Terra
Branched ridges in northeast Arabia Terra. Could these features be inverted stream channels and a depositional (alluvial) fan? Beautiful Mars series. [More at links]
Posted in Reports
Tagged alluvial fan deposits, Beautiful Mars, High Resolution Imaging Science Experiment, HiRISE, inverted channels, inverted topography, Mars Reconnaissance Orbiter, MRO, NASA, University of Arizona
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HiRISE: Fan with inverted channels
This image shows inverted channels within a fan whose origin could be either fluvial (produced by the action of a stream) or alluvial (created by sedimentary deposits). If the fan is alluvial, then it formed on dry land. If the … Continue reading
Posted in Reports
Tagged alluvial fan deposits, fluvial landforms, High Resolution Imaging Science Experiment, HiRISE, inverted channels, inverted topography, Mars Reconnaissance Orbiter, MRO, NASA, University of Arizona
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HiRISE: Semi-sinuous ridge and stratified material in Arabia Terra
Semi-sinuous ridge and stratified material in Arabia Terra. Looks like inverted stream channels that contributed to a lake or pond, with stratified sedimentary rock units in the depression. Important imaging for understanding how to best distinguish cratered, erosion-resistant sedimentary rock … Continue reading
Posted in Reports
Tagged Arabia Terra, Beautiful Mars, High Resolution Imaging Science Experiment, HiRISE, inverted channels, inverted topography, Mars Reconnaissance Orbiter, MRO, NASA, sedimentary deposits, University of Arizona
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HiRISE: Inverted channel on elevated terrain
An inverted channel on elevated terrain. Interesting fluvial processes that might help improve our understanding of the deposits in the Medusae Fossae Formation. Beautiful Mars series. [More at links]
Posted in Reports
Tagged Beautiful Mars, eolian processes, fluvial channels, fluvial deposits, fluvial processes, High Resolution Imaging Science Experiment, HiRISE, inverted channels, inverted topography, Mars Reconnaissance Orbiter, Medusae Fossae Formation, MRO, NASA, University of Arizona, wind erosion, yardangs
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HiRISE: Inverted channels
Inverted channels at the boundary of highlands and intercrater plains. This image targets inverted channels located at the boundary between Noachian highlands and Noachian intercrater plains bedrock. These channels are 200 to 500 meters wide, implying substantial fluvial activity. High-resolution … Continue reading
Posted in Reports
Tagged Beautiful Mars, crustal dichotomy, High Resolution Imaging Science Experiment, HiRISE, inverted channels, inverted topography, Mars Reconnaissance Orbiter, MRO, NASA, University of Arizona
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HiRISE: Big fans
Alluvial fans are fan-shaped deposits emerging from regions of steep topography. Alluvial fans on Mars are thought to be ancient and record past episodes of flowing water. This image shows part of one of those fans, which has been eroded. … Continue reading
Posted in Reports
Tagged alluvial fan deposits, alluvial fans, High Resolution Imaging Science Experiment, HiRISE, inverted channels, inverted topography, Mars Reconnaissance Orbiter, MRO, NASA, University of Arizona
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HiRISE: Inverted channel in Eberswalde Crater
An inverted channel in Eberswalde Crater. Eberswalde Crater was once a final candidate landing site for the Mars Science Laboratory rover, Curiosity. Although the primary scientific interest in Eberswalde is its well-preserved delta, this sinuous river channel to the southeast, … Continue reading
Posted in Reports
Tagged Beautiful Mars, deltas, Eberswalde Crater, High Resolution Imaging Science Experiment, HiRISE, inverted channels, landing sites, Mars Reconnaissance Orbiter, MRO, NASA, University of Arizona
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