Tag Archives: University of Arizona

HiRISE: Classic crater

Posted on August 9, 2019 by rburnham

Well preserved and loving it. Is there something particularly special about this nice, 2-kilometer diameter crater? Maybe not, but its simplicity, classic shape and fairly well-preserved rim speak for itself in a desolate landscape. HiRISE Picture of the Day archive. … Continue reading →

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HiRISE: Multi-layered story

Posted on August 8, 2019 by rburnham

A story in layers. Our objective is to examine some very nicely exposed layers in a mesa wall in Aureum Chaos. As the name “chaos” suggests, this terrain is characterized by randomly oriented, large-scale mesas and knobs that are heavily … Continue reading →

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HiRISE: Finding the plume

Posted on August 7, 2019 by rburnham

Finding the plume. We hope to determine source and identity of a unique material emission “plume” from inside a corner of this crater, which is being dispersed 60-plus miles “downwind” from this location. HiRISE Picture of the Day archive. [More … Continue reading →

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HiRISE: In etched terrain

Posted on August 6, 2019 by rburnham

In etched terrain. A previous image here showed evidence of recurring slope lineae, so this picture is a follow-up to see if this might be a good candidate for them, although the lineae really aren’t very prominent. Still, we have … Continue reading →

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HiRISE: Crater in the Zarqa Valles channel

Posted on August 5, 2019 by rburnham

A crater in the inner channel of Zarqa Valles. We target here a crater of diameter close to 1 kilometer that impacted in an inner channel within a valley with potential sedimentary deposits, in the region of Libya Montes. High … Continue reading →

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HiRISE: Near Anseris Mons

Posted on August 2, 2019 by rburnham

Near Anseris Mons. The objective of this observation is to examine a possible fan coming from a channel in Anseris Mons, on the outskirts of a dusty area northeast of the Hellas impact basin. HiRISE Picture of the Day archive. … Continue reading →

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HiRISE: Plains with clay exposures

Posted on August 1, 2019 by rburnham

Plains with clay exposures. If at first you don’t succeed: an earlier observation we took of this area in 2016 was too hazy to study, so a re-image can get us the closer look at clay exposures we wanted. HiRISE … Continue reading →

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HiRISE: Possible jarosite on a plateau in Nili Fossae

Posted on July 31, 2019 by rburnham

Possible jarosite on a plateau in Nili Fossae. Recent analyses of CRISM data have discovered jarosite in this portion of the trough wall, possibly within a previously identified aluminum clay unit. Jarosite is a sulfate mineral also detected by the … Continue reading →

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HiRISE: Small craters in Promethei Terra

Posted on July 30, 2019 by rburnham

Small craters in Promethei Terra. The target area is for the theoretical landing of a rover, in a flat area close by. The craters in the target area are important because they are a potential source of rock samples that … Continue reading →

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HiRISE: Layers in Tikhonravov

Posted on July 29, 2019 by rburnham

Layers in Tikhonravov. The objective of this observation is to examine layers outside of a crater within the 344-kilometer diameter Tikhonravov Crater. Tikhonravov is believed to have once held a giant lake and was named after Mikhail Tikhonravov, a Russian … Continue reading →

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