Search Results - "Kah, L C"
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An interval of high salinity in ancient Gale crater lake on Mars
Published in Nature geoscience (01-11-2019)“…Precipitated minerals, including salts, are primary tracers of atmospheric conditions and water chemistry in lake basins. Ongoing in situ exploration by the…”
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Subaqueous shrinkage cracks in the Sheepbed mudstone: Implications for early fluid diagenesis, Gale crater, Mars
Published in Journal of geophysical research. Planets (01-07-2014)“…The Sheepbed mudstone, Yellowknife Bay formation, Gale crater, represents an ancient lakebed now exhumed and exposed on the Martian surface. The mudstone has…”
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Diagenetic origin of nodules in the Sheepbed member, Yellowknife Bay formation, Gale crater, Mars
Published in Journal of geophysical research. Planets (01-07-2014)“…The Sheepbed member of the Yellowknife Bay formation in Gale crater contains millimeter‐scale nodules that represent an array of morphologies unlike those…”
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Mineral‐Filled Fractures as Indicators of Multigenerational Fluid Flow in the Pahrump Hills Member of the Murray Formation, Gale Crater, Mars
Published in Earth and space science (Hoboken, N.J.) (01-02-2019)“…Mineral‐filled fractures (veins) are valuable indicators of deformation and fluid flow within a sedimentary package. Information obtained from vein morphology,…”
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Calcium sulfate veins characterized by ChemCam/Curiosity at Gale crater, Mars
Published in Journal of geophysical research. Planets (01-09-2014)“…The Curiosity rover has analyzed abundant light‐toned fracture‐fill material within the Yellowknife Bay sedimentary deposits. The ChemCam instrument, coupled…”
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MAHLI at the Rocknest sand shadow: Science and science-enabling activities
Published in Journal of geophysical research. Planets (01-11-2013)“…During Martian solar days 57–100, the Mars Science Laboratory Curiosity rover acquired and processed a solid (sediment) sample and analyzed its mineralogy and…”
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Characteristics of pebble- and cobble-sized clasts along the Curiosity rover traverse from Bradbury Landing to Rocknest
Published in Journal of geophysical research. Planets (01-11-2013)“…We have assessed the characteristics of clasts along Curiosity's traverse to shed light on the processes important in the genesis, modification, and…”
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Predicting the Mechanical and Fracture Properties of Mars Analog Sedimentary Lithologies
Published in Earth and space science (Hoboken, N.J.) (01-09-2020)“…Rock fractures and veins have been well documented by the Curiosity rover in the lithologies within Gale crater, Mars, and an understanding of the rock…”
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Science and Science-Enabling Activities of the SHERLOC and WATSON Imaging Systems in Jezero Crater, Mars
Published in Earth and space science (Hoboken, N.J.) (01-11-2023)“…During its first year of operation, the Perseverance rover explored the cratered and fractured floor of Jezero crater on Mars. Here, we report the use of the…”
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Deposition, exhumation, and paleoclimate of an ancient lake deposit, Gale crater, Mars
Published in Science (American Association for the Advancement of Science) (09-10-2015)“…The landforms of northern Gale crater on Mars expose thick sequences of sedimentary rocks. Based on images obtained by the Curiosity rover, we interpret these…”
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Perseverance rover reveals an ancient delta-lake system and flood deposits at Jezero crater, Mars
Published in Science (American Association for the Advancement of Science) (05-11-2021)“…Observations from orbital spacecraft have shown that Jezero crater on Mars contains a prominent fan-shaped body of sedimentary rock deposited at its western…”
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Sustained wet–dry cycling on early Mars
Published in Nature (London) (10-08-2023)“…The presence of perennially wet surface environments on early Mars is well documented 1 , 2 , but little is known about short-term episodicity in the early…”
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Proterozoic microbial mats and their constraints on environments of silicification
Published in Geobiology (01-07-2017)“…The occurrence of microfossiliferous, early diagenetic chert in Proterozoic successions is broadly restricted to peritidal marine environments. Such coastal…”
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Chemistry of diagenetic features analyzed by ChemCam at Pahrump Hills, Gale crater, Mars
Published in Icarus (New York, N.Y. 1962) (01-01-2017)“…•ChemCam/Curiosity provides elemental composition at Gale crater’ lower Mt Sharp.•Diagenetic features in fine-grained sediments show diverse textures and…”
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Morphology of molar-tooth structures in Precambrian carbonates; influence of substrate rheology and implications for genesis
Published in Journal of sedimentary research (01-02-2006)“…Molar-tooth (MT) is an enigmatic carbonate fabric composed of variously shaped cracks and voids filled with a characteristically uniform, equant microspar. MT…”
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Deep-water microbialites of the Mesoproterozoic Dismal Lakes Group: microbial growth, lithification, and implications for coniform stromatolites
Published in Geobiology (01-01-2015)“…Offshore facies of the Mesoproterozoic Sulky Formation, Dismal Lakes Group, arctic Canada, preserve microbialites with unusual morphology. These microbialites…”
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Characteristics of pebble and cobble-sized clasts along the Curiosity rover traverse from sol 100 to 750: Terrain types, potential sources, and transport mechanisms
Published in Icarus (New York, N.Y. 1962) (01-12-2016)“…•We characterize clasts to interpret rock sources, transport history, and terrain.•Clasts were classed into ten types; nine types are sedimentary rocks.•Most…”
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Evolution of a Lake Margin Recorded in the Sutton Island Member of the Murray Formation, Gale Crater, Mars
Published in Journal of geophysical research. Planets (01-01-2024)“…This study uses data from the Mars Science Laboratory Curiosity rover to document the facies of the Sutton Island member of the Murray formation, interpret…”
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Depositional and Diagenetic Processes of Martian Lacustrine Sediments as Revealed at Pahrump Hills by the Mars Hand Lens Imager, Gale Crater, Mars
Published in Journal of geophysical research. Planets (01-05-2023)“…The Murray formation represents fine‐grained sedimentary deposition in lacustrine environments within Gale crater, Mars. Both the overall thickness of the…”
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Stratigraphic Relationships in Jezero Crater, Mars: Constraints on the Timing of Fluvial‐Lacustrine Activity From Orbital Observations
Published in Journal of geophysical research. Planets (01-07-2021)“…On February 18, 2021 NASA's Perseverance rover landed in Jezero crater, located at the northwestern edge of the Isidis basin on Mars. The uppermost surface of…”
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