The DOI matches its Crossref record; 1 of the 1 references it cites were found in a registry or an index.
Compositional stratigraphy of clay‐bearing layered deposits at Mawrth Vallis, Mars
Abstract
Phyllosilicates have previously been detected in layered outcrops in and around the Martian outflow channel Mawrth Vallis. CRISM spectra of these outcrops exhibit features diagnostic of kaolinite, montmorillonite, and Fe/Mg‐rich smectites, along with crystalline ferric oxide minerals such as hematite. These minerals occur in distinct stratigraphic horizons, implying changing environmental conditions and/or a variable sediment source for these layered deposits. Similar stratigraphic sequences occur on both sides of the outflow channel and on its floor, with Al‐clay‐bearing layers typically overlying Fe/Mg‐clay‐bearing layers. This pattern, combined with layer geometries measured using topographic data from HiRISE and HRSC, suggests that the Al‐clay‐bearing horizons at Mawrth Vallis postdate the outflow channel and may represent a later sedimentary or altered pyroclastic deposit that drapes the topography.
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Al-rich clays such as kaolinite are observed alongside or overlying Fe/Mg clays at several sites on Mars.
“At several sites, Al-rich clays such as kaolinite are observed alongside or overlying Fe/Mg clays (Poulet et al. 2005; Wray et al. 2008; Ehlmann et al. 2009; Carter et al. 2015).”
From The Climate of Early Mars (2016) · cites this paper as Wray et al. 2008
Citations
Cites
Hydrated silicate minerals on Mars observed by the Mars Reconnaissance Orbiter CRISM instrument
Mustard, J. F., Murchie, S. L., Pelkey, S. M., Ehlmann, B. L., Milliken, R. E., Grant, J. A., Bibring, J.-P., Poulet, F., Bishop, J., Dobrea, E. N., et al. (2008) · Nature · doi:10.1038/nature07097 · Cited by 794
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Research works printed but not linked: 19
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- 10.1180/0009855023740064 · DOI
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Wordsworth, R. D. (2016) · Annual Review of Earth and Planetary Sciences · doi:10.1146/annurev-earth-060115-012355 · Cited by 416
Le Deit, L., Flahaut, J., Quantin, C., Hauber, E., Mège, D., Bourgeois, O., Gurgurewicz, J., Massé, M., & Jaumann, R. (2012) · Journal of Geophysical Research: Planets · doi:10.1029/2011je003983 · Cited by 108
Metadata
- Authors
- Wray, J. J., Ehlmann, B. L., Squyres, S. W., Mustard, J. F., & Kirk, R. L.
- Affiliations
- Cornell University (US)
- Brown University (US)
- United States Geological Survey (US)
- Venue
- Geophysical Research Letters
- Publisher
- American Geophysical Union (AGU)
- Published
- 2008-06-21
- Volume
- 35
- Issue
- 12
- ISSN
- 0094-8276 (ISSN-L)
- 1944-8007
- OpenAlex
- W2158914315
- Cited by
- 200
- References
- 1
- Citations by year
- 2026: 5 · 2025: 11 · 2024: 5 · 2023: 5 · 2022: 9 · 2021: 7 · 2020: 6 · 2019: 51 · 2018: 6 · 2017: 8 · 2016: 8 · 2015: 9 · 2014: 7 · 2013: 6 · 2012: 19
- FWCI
- 7.39
- Type
- journal article
- Language
- en
- Open access
- closed
- Locations
- Geophysical Research Letters (publishedVersion)
- CaltechAUTHORS (California Institute of Technology) (submittedVersion)
- DOAJ (DOAJ: Directory of Open Access Journals) (submittedVersion)
- Topics
- Physical Sciences › Earth and Planetary Sciences › Space and Planetary Science › Planetary Science and Exploration
- Physical Sciences › Earth and Planetary Sciences › Space and Planetary Science › Astro and Planetary Science
- Physical Sciences › Earth and Planetary Sciences › Geochemistry and Petrology › Geochemistry and Geologic Mapping
- Keywords
- Mawrth Vallis, phyllosilicates, kaolinite, montmorillonite, smectite, hematite, outflow channels, sedimentary deposits, pyroclastic deposits, Mars
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