Tag Archives: sedimentary deposits

HiRISE: Abstract art in Ius Chasma

Sometimes Mars’ surface is just beautiful as seen through the eyes of HiRISE. This is one example on the floor of Ius Chasma, part of Valles Marineris. The region has had a complex history of sediment deposition, deformation, erosion, and … Continue reading

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HiRISE: The hills in Juventae Chasma

This image captures some of the geologic diversity of Mars. There are hills of ancient terrains on the floor of Juventae Chasma, surrounded by younger sediments, including dark sand sheets and dunes that are likely active today. The hills are … Continue reading

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HiRISE: Deposits along the floor of Coprates Catena

Deposits along the floor of Coprates Catena. The rest of this depression has very interesting layered deposits so we’re interested to see if there could be some here too. Coprates Catena is roughly in the center of the Valles Marineris … Continue reading

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HiRISE: Central deposits in Pasteur Crater

Central deposits in Pasteur Crater. Caption throwback: The deposits in this image are eroding into knobs and ridges. The erosion is probably dominated by wind, as most of the ridges are parallel. This is common in wind-eroded features, with the … Continue reading

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HiRISE: Fan, meet layered deposit

Fan, meet layered deposit. This is a gorgeous fan reaching out into deposits in east Candor Chasma. Did landslides deform the layered material? HiRISE Picture of the Day archive [More at links]

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HiRISE: When the lighting is just right

When the lighting is just right. Almost all of our images are taken in the Martian afternoon, around 3 p.m., and sometimes the lighting conditions make a particularly striking image. These are layered sediments in east Melas Chasma. HiRISE Picture … Continue reading

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HiRISE: Layers in Meridiani

Layers in Meridiani. Despite the numerous data gaps with this observation, we can still get a closer look at the layers in Meridiani Planum. The hematite we find in this region is part of a layered sedimentary rock formation about … Continue reading

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HiRISE: Layered sedimentary rocks in Meridiani Planum

Layered sedimentary rocks in Meridiani Planum. Ah, the loveliness of Meridiani. Meridiani Planum is a plain located south of Mars’ equator, in the westernmost portion of Terra Meridiani. It hosts a rare occurrence of gray crystalline hematite, which on Earth, … Continue reading

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HiRISE: Layered history

The geologic history of a planet is written in its layers. Erosion of the surface reveals several shades of light toned layers, likely sedimentary deposits. The most recent geologic features are the narrow sand dunes snaking across the top of … Continue reading

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HiRISE: Layers northwest Schiaparelli Crater

Layers northwest Schiaparelli Crater. The objective of this observation is to determine the extent of layers in this part of Schiaparelli Crater. HiRISE Picture of the Day archive [More at links]

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