Tag Archives: stratigraphy

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

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Curiosity: On Teal Ridge

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

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

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

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

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

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HiRISE: Stratified deposits in Crommelin Crater

Stratified deposits in Crommelin Crater. This target contains light-toned deposits, a key area to investigate the geometrical and geological relationship between the central bulge and the partially sediment-covered crater floor. Also: swirls! Beautiful Mars series. [More at links]

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HiRISE: On the contemplation of the stratigraphy of another planet

On the contemplation of the stratigraphy of another planet. 255  km above the surface. This image uses the infrared-red-blue filter of the HiRISE camera. Beautiful Mars series.

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HiRISE: Dipping layers in Promethei Terra

Dipping layers in Promethei Terra. (Not dipping dots.) Beautiful Mars series.

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HiRISE: Beauty of layered stratigraphy

The layered bedrock in this image was brought from several kilometers of depth during the formation of this 44 kilometer wide crater in the volcanic plains of Lunae Planum. As these layers were exhumed and brought to nearly vertical orientations, … Continue reading

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