Geologic and mineralogic mapping of Aram Chaos: Evidence for a water-rich history

@article{Glotch2005GeologicAM,
  title={Geologic and mineralogic mapping of Aram Chaos: Evidence for a water-rich history},
  author={Timothy D. Glotch and Philip R. Christensen},
  journal={Journal of Geophysical Research},
  year={2005},
  volume={110},
  pages={1-21}
}
[1] The Aram Chaos crater on Mars contains gray, crystalline hematite within a stack of layered sediments. The Mars Global Surveyor Thermal Emission Spectrometer (MGS-TES) and Odyssey Thermal Emission Imaging System (THEMIS) were used in conjunction with data from the MGS Mars Orbital Laser Altimeter (MOLA) and the MGS Mars Orbital Camera (MOC) instruments to investigate the nature of the hematite deposits in Aram Chaos. Superposition relationships indicate that the layered sediments in Aram… Expand
Mineralogical composition, structure, morphology, and geological history of Aram Chaos crater fill on Mars derived from OMEGA Mars Express data
[1] Aram Chaos is a crater 280 km in diameter centered at 2.5°N, 338.5°E. It is filled by chaotic terrains overlain by a dome-shaped, layered 900 m thick formation displaying spectral signatures ofExpand
A formation mechanism for hematite-rich spherules on Mars
Abstract Gray crystalline hematite on Mars has been detected in three regions, Sinus Meridiani, Aram Chaos, and Valles Marineris, first by the Thermal Emission Spectrometer (TES) onboard the MarsExpand
Evidence for aqueous deposition of hematite-and sulfate-rich light-toned layered deposits in Aureum and Iani Chaos, Mars
[1] Two new gray hematite-rich units have been found in Aureum and Iani Chaos, Mars, using data acquired by the Mars Global Surveyor Thermal Emission Spectrometer. These regions correspond withExpand
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18 Arsinoes and Pyrrhae Chaos are two adjacent chaotic terrains located east to Valles Marineris 19 and west to Arabia Terra, on Mars. In this work we produced a morpho-stratigraphic map of 20 theExpand
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[1] Sedimentary deposits within the 280 km wide crater containing Aram Chaos (∼3°N, 339°E) have been differentially eroded by wind to expose a stratigraphic column 900–1000 m thick that unconformablyExpand
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[1] We have studied eight of the spatially largest locations in Ophir and Candor chasmata that have the highest abundances of coarse-grained gray hematite, as measured by the Mars Global SurveyorExpand
Hydrated minerals in the deposits of Aureum Chaos
Abstract Hydrated minerals have been detected in many martian chaos regions and chasmata, playing a major role in its past aqueous activity. Based on short wave infrared data from CRISM, imagery andExpand
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Submitted for publication in Journal of Geophysical Research: Planets
18 Arsinoes and Pyrrhae Chaos are two adjacent chaotic terrains located east to Valles Marineris 19 and west to Arabia Terra, on Mars. In this work we produced a morpho-stratigraphic map of 20 theExpand
Diagenetic haematite and sulfate assemblages in Valles Marineris
Abstract Previous orbital mapping of crystalline gray haematite, ferric oxides, and sulfates has shown an association of this mineralogy with light-toned, layered deposits on the floor of VallesExpand
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