Tag Archives: sedimentary basins

HiRISE: Dipping layers

Posted on June 3, 2019 by rburnham

Dipping layers. These aren’t dipping dots. The objective of this observation is to examine several sets of dipping layers in a depression in Ismeniae Fossae, which straddles the southern highlands/northern lowlands of Mars. HiRISE Picture of the Day archive. [More … Continue reading →

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HiRISE: Complex terrain on floor of Hellas Planitia

Posted on April 13, 2017 by rburnham

Complex terrain on the floor of Hellas Planitia. Beautiful Mars series.

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HiRISE: Clinoforms down in Melas Chasma

Posted on April 10, 2017 by rburnham

This group of steeply inclined light-toned layers is bounded above and below by unconformities (sudden or irregular changes from one deposit to another) that indicate a “break” where erosion of pre-existing layers was taking place at a higher rate than … Continue reading →

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Sedimentary basins on Mars contain a lot more sediments than we thought!

Posted on March 30, 2017 by rburnham

Planetary Geomorphology Image of the Month, March 30, 2017: Francesco Salese (Italian Space Agency). The nature of the early Martian climate is one of the major unanswered questions of planetary science. To date the geologic evidence that Mars once had … Continue reading →

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