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Tag Archives: Isidis Basin
Layered-sulfates’ history in NE Syrtis Major
[Editor’s note: From a paper by Daven Quinn and Bethany Ehlmann recently published in the Journal of Geophysical Research.] The Deposition and Alteration History of the Northeast Syrtis Major Layered Sulfates • The eroded stratigraphy at Northeast Syrtis Major includes … Continue reading
Posted in Reports
Tagged diagenesis, groundwater, Isidis Basin, lacustrine sediments, layered deposits, NE Syrtis Major, phyllosilicates, polyhydrated sulfates, stratigraphy, sulfates, Syrtis Major
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HiRISE: A valley in Libya Montes
A valley in Libya Montes. The objective of this observation is to examine what looks like a valley with a channel on its bed. The Libya Montes are a highland terrain on Mars up-lifted by the giant impact that created … Continue reading
Posted in Reports
Tagged channels, High Resolution Imaging Science Experiment, HiPOD, HiRISE, HiRISE Picture of the Day, Isidis Basin, Libya Montes, Mars Reconnaissance Orbiter, MRO, NASA, University of Arizona, valleys
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HiRISE: Isidis Basin ejecta
This scene is a jumbled mess! There are blocks and smears of many different rocks types that appear to have been dumped into a pile. That’s probably about what happened, as ejecta from the Isidis impact basin to the east. … Continue reading
Posted in Reports
Tagged ejecta, High Resolution Imaging Science Experiment, HiRISE, Isidis Basin, Mars Reconnaissance Orbiter, MRO, NASA, University of Arizona
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HiRISE: Many fantastic colors
The Nili Fossae region, located on the northwest rim of Isidis impact basin, is one of the most colorful regions of Mars. The colors over many regions of Mars are homogenized by the dust and regolith, but here the bedrock … Continue reading
Posted in Reports
Tagged High Resolution Imaging Science Experiment, HiRISE, Isidis Basin, Mars Reconnaissance Orbiter, MRO, NASA, Nili Fossae, University of Arizona
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HiRISE: Colorful Hargraves
Hargraves Crater is located on the northwestern margin of Isidis Basin, a region that hosts many proposed future Mars landing sites such as nearby Jezero Crater and the Nili Fossae trough. This image covers the ejecta along the southern margin … Continue reading
Posted in Reports
Tagged Hargraves Crater, High Resolution Imaging Science Experiment, HiRISE, Isidis Basin, Mars Reconnaissance Orbiter, MRO, NASA, University of Arizona
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CRISM: Iron-magnesium clays at Isidis Basin rim
This image is located right along the rim of the Isidis impact basin, at the foot of Libya Montes. Here we see iron-magnesium phyllosilicates (cyan). Phyllosilicates are clay and clay-like minerals formed by chemical reactions with liquid water. They are … Continue reading