Tag Archives: stratigraphy

HiRISE: Layers in Danielson Crater

Posted on September 6, 2019 by rburnham

This image shows sedimentary rock and sand within Danielson Crater, an impact crater 67 kilometers in diameter, located in the southwest Arabia Terra region of Mars. The rock was formed millions or billions of years ago when loose sediments settled … Continue reading →

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HiRISE: Meridiani layers

Posted on August 14, 2019 by rburnham

Layers in a depression that are not depressing. Wherein we revel at the stratigraphic gorgeousness of a small area in Sinus Meridiani on the fourth planet from the Sun. Sinus Meridiani was named by the French astronomer Camille Flammarion in … Continue reading →

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HiRISE: Terra Cimmeria crater layers

Posted on August 13, 2019 by rburnham

Layers near the top of a crater. With our camera’s resolution, we can find out if these layers on the top of a crater in Terra Cimmeria are actually within a block of material. HiRISE Picture of the Day archive. [More … 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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Layered-sulfates’ history in NE Syrtis Major

Posted on July 11, 2019 by rburnham

[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 →

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Curiosity: On Teal Ridge

Posted on June 19, 2019 by rburnham

Sol 2441, June 19, 2019. Curiosity is placed so that mission scientists can examine the outcrop closely. At right are the views from the front Hazcam view and Navcam. Above is a Mars Hand Lens Imager (MAHLI) frame showing regular … Continue reading →

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Curiosity: Morningside’s layers

Posted on June 5, 2019 by rburnham

Sol 2427, June 5, 2019. The Mars Hand Lens Imager (MAHLI) is continuing its survey of the Woodland Bay area and the Morningside outcrop in particular. The layers in Morningside appear to have cyclic patterns which, if real, likely reflect … Continue reading →

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HiRISE: Buried by time

Posted on March 27, 2019 by rburnham

Buried by time. Over time, this crater was buried by folded deposits, although we can still tell it is an impact crater. However, we can still see ridges and gullies. Are these ridges made of material that proved more resistant … Continue reading →

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HiRISE: We found geology in a chaotic place

Posted on March 19, 2019 by rburnham

We found geology in a chaotic place. The terrain here lives up to its description as “chaotic:” we see small hills, mesas, buttes and valleys. This area is called Oxia Palus, and its debris likely came from Ravi Vallis, which … Continue reading →

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HiRISE: Terrain at the intersection of a valley and crater floor

Posted on October 10, 2018 by rburnham

Terrain at the intersection of a valley and crater floor. Beautiful Mars series. [More at links]

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