Tag Archives: equatorial layered deposits

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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Episodic upwelling and layered deposits in Kotido Crater, Arabia Terra

[Editor’s note: From a paper by Monica Pondrelli and six co-authors recently published in the Journal of Geophysical Research.] Groundwater Control and Process Variability on the Equatorial Layered Deposits of Kotido Crater, Mars • We mapped the Equatorial Layered Deposits … Continue reading

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HiRISE: Light-toned materials on the floor of Coprates Chasma

These enhanced-color views are part of the floor of Coprates Chasma in giant Valles Marineris. A single image area (only about 1.1 by 9 kilometers) shows a tremendous variety of rock types, as indicated by their colors and textures. These … Continue reading

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Evidence of groundwater in Arabia Terra; if on Earth, could permit microbial colonization

Monica Pondrelli [Università d'Annunzio, Italy] and colleagues investigated the Equatorial Layered Deposits (ELDs) of Arabia Terra in Firsoff crater area, Mars, to understand their formation and potential habitability. [Their report appears in the Geological Society of America Bulletin.] On the … Continue reading

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