Tag Archives: layered deposits

HiRISE: Sedimentary infill

Interaction. This crater and many of those surrounding it are filled with layered sedimentary material. There are various theories for the origin of this layered fill, and this image will help to constrain the relationship of the fill to the … Continue reading

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HiRISE: Meridiani layers

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: Multi-layered story

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: Crater in the Zarqa Valles channel

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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Curiosity: Mastcam, near and far

Sol 2468, July 17, 2019. The wide-angle (34mm) Mastcam shot an outcrop next to Curiosity that shows layered sediments on the left and a different texture on the right. Below is a five-frame sequence looking toward a local rise and … Continue reading

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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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HiRISE: The erosional window

The erosional window. Layers are windows to the past. This observation will help measure layer thicknesses and layer orientations in this deep erosional window into Niesten Crater. This window appears to be deeper than others in this crater. HiRISE Picture … 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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HiRISE: Rhythmic layers east of Medusae Fossae

The surface of this image looks wavy, like that of the sea. These wave shapes are the result of erosion: the removal of material, which has been ongoing for millions, if not billions, of years. This erosion is likely performed … 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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