Search Results - "Dobrea, Eldar Z. Noe"

Present-Day Impact Cratering Rate and Contemporary Gully Activity on Mars by Malin, Michael C, Edgett, Kenneth S, Posiolova, Liliya V, McColley, Shawn M, Dobrea, Eldar Z. Noe

“…The Mars Global Surveyor Mars Orbiter Camera has acquired data that establish the present-day impact cratering rate and document new deposits formed by…”
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Phyllosilicate Diversity and Past Aqueous Activity Revealed at Mawrth Vallis, Mars by Bishop, Janice L., Dobrea, Eldar Z. Noe, McKeown, Nancy K., Parente, Mario, Ehlmann, Bethany L., Michalski, Joseph R., Milliken, Ralph E., Poulet, Francois, Swayze, Gregg A., Mustard, John F., Murchie, Scott L., Bibring, Jean-Pierre

“…Observations by the Mars Reconnaissance Orbiter/Compact Reconnaissance Imaging Spectrometer for Mars in the Mawrth Vallis region show several phyllosilicate…”
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Mineralogy of Juventae Chasma: Sulfates in the light-toned mounds, mafic minerals in the bedrock, and hydrated silica and hydroxylated ferric sulfate on the plateau by Bishop, Janice L., Parente, Mario, Weitz, Catherine M., Noe Dobrea, Eldar Z., Roach, Leah H., Murchie, Scott L., McGuire, Patrick C., McKeown, Nancy K., Rossi, Christopher M., Brown, Adrian J., Calvin, Wendy M., Milliken, Ralph, Mustard, John F.

“…Juventae Chasma contains four light‐toned sulfate‐bearing mounds (denoted here as A–D from west to east) inside the trough, mafic outcrops at the base of the…”
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Geologic relationships between gray hematite, sulfates, and clays in Capri Chasma by Weitz, Catherine M., Noe Dobrea, Eldar Z., Lane, Melissa D., Knudson, Amy T.

“…We used emissivity spectra from the Thermal Emission Spectrometer (TES) to identify the signature of crystalline gray hematite in Capri Chasma. Geologic units…”
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Ancient hydrothermal seafloor deposits in Eridania basin on Mars by Michalski, Joseph R., Dobrea, Eldar Z. Noe, Niles, Paul B., Cuadros, Javier

“…The Eridania region in the southern highlands of Mars once contained a vast inland sea with a volume of water greater than that of all other Martian lakes…”
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A synthesis of Martian aqueous mineralogy after 1 Mars year of observations from the Mars Reconnaissance Orbiter by Murchie, Scott L., Mustard, John F., Ehlmann, Bethany L., Milliken, Ralph E., Bishop, Janice L., McKeown, Nancy K., Noe Dobrea, Eldar Z., Seelos, Frank P., Buczkowski, Debra L., Wiseman, Sandra M., Arvidson, Raymond E., Wray, James J., Swayze, Gregg, Clark, Roger N., Des Marais, David J., McEwen, Alfred S., Bibring, Jean-Pierre

“…Martian aqueous mineral deposits have been examined and characterized using data acquired during Mars Reconnaissance Orbiter's (MRO) primary science phase,…”
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Inverted channel variations identified on a distal portion of a bajada in the central Atacama Desert, Chile by Williams, Rebecca M.E., Irwin, Rossman P., Noe Dobrea, Eldar Z., Howard, Alan D., Dietrich, William E., Cawley, J.C.

“…In deserts, the interplay between occasional fluvial events and persistent aeolian erosion can form composite modern and relict surfaces, especially on the…”
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Characterization of phyllosilicates observed in the central Mawrth Vallis region, Mars, their potential formational processes, and implications for past climate by McKeown, Nancy K., Bishop, Janice L., Noe Dobrea, Eldar Z., Ehlmann, Bethany L., Parente, Mario, Mustard, John F., Murchie, Scott L., Swayze, Gregg A., Bibring, Jean-Pierre, Silver, Eli A.

“…Mawrth Vallis contains one of the largest exposures of phyllosilicates on Mars. Nontronite, montmorillonite, kaolinite, and hydrated silica have been…”
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Identification of the Ca-sulfate bassanite in Mawrth Vallis, Mars by Wray, James J., Squyres, Steven W., Roach, Leah H., Bishop, Janice L., Mustard, John F., Noe Dobrea, Eldar Z.

“…The region surrounding the Mawrth Vallis outflow channel on Mars hosts thick layered deposits containing diverse phyllosilicate minerals. Here we report…”
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Small crater relaxation and ice abundance at high northern latitudes on Mars by Cunje, Alister B., Dombard, Andrew J., Noe Dobrea, Eldar Z.

“…The cold, northern high-latitudes around the Phoenix landing site feature a population of small and very shallow craters known as palimpsest craters or boulder…”
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Nonlinear spectral mixture modeling to estimate water-ice abundance of martian regolith by Gyalay, Szilárd, Noe Dobrea, Eldar Z., Chu, Kathryn, Pitman, Karly M.

“…We present a new technique to estimate the abundance of water-ice in the Martian permafrost using Phoenix Lander Surface Stereo Imager (SSI) multispectral…”
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Crater morphology and evolution at the Phoenix landing site: Insights into timing of modern geological processes and subsurface ice by Noe Dobrea, E.Z., Stoker, C.R., Berman, D.C., McKay, C.P., Davila, A.F.

“…We report results of an in-depth study of the morphology of small (km-scale and smaller) craters over a 4000 km2 region on Mars that includes the Phoenix…”
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Mineralogical characterization of acid weathered phyllosilicates with implications for secondary martian deposits by Altheide, Travis S., Chevrier, Vincent F., Noe Dobrea, Eldar

“…The detection of phyllosilicates and sulfates on Mars has revealed a complex aqueous history which suggests distinct geochemical environments separated…”
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Mineralogy and stratigraphy of phyllosilicate-bearing and dark mantling units in the greater Mawrth Vallis/west Arabia Terra area: Constraints on geological origin by Noe Dobrea, E. Z., Bishop, J. L., McKeown, N. K., Fu, R., Rossi, C. M., Michalski, J. R., Heinlein, C., Hanus, V., Poulet, F., Mustard, R. J. F., Murchie, S., McEwen, A. S., Swayze, G., Bibring, J.-P., Malaret, E., Hash, C.

“…Analyses of MRO/CRISM images of the greater Mawrth Vallis region of Mars affirm the presence of two primary phyllosilicate assemblages throughout a region…”
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Stratigraphy of hydrated sulfates in the sedimentary deposits of Aram Chaos, Mars by Lichtenberg, Kimberly A., Arvidson, Raymond E., Morris, Richard V., Murchie, Scott L., Bishop, Janice L., Fernandez Remolar, David, Glotch, Timothy D., Noe Dobrea, Eldar, Mustard, John F., Andrews-Hanna, Jeffrey, Roach, Leah H.

“…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…”
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Geologic relationships between gray hematite, sulfates, and clays in Capri Chasma : New Results on the Geology, Atmosphere, and Satellites of Mars from OMEGA and CRISM by WEITZ, Catherine M, NOE DOBREA, Eldar Z, LANE, Melissa D, KNUDSON, Amy T

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Mars Reconnaissance Orbiter Mars Color Imager (MARCI): Instrument description, calibration, and performance by Bell III, J. F., Wolff, M. J., Malin, M. C., Calvin, W. M., Cantor, B. A., Caplinger, M. A., Clancy, R. T., Edgett, K. S., Edwards, L. J., Fahle, J., Ghaemi, F., Haberle, R. M., Hale, A., James, P. B., Lee, S. W., McConnochie, T., Noe Dobrea, E., Ravine, M. A., Schaeffer, D., Supulver, K. D., Thomas, P. C.

“…The Mars Color Imager (MARCI) instrument aboard the NASA Mars Reconnaissance Orbiter spacecraft is a wide‐angle, multispectral Charge‐Coupled Device (CCD)…”
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Characterization of phyllosilicates observed in the central Mawrth Vallis region, Mars, their potential formational processes, and implications for past climate : Mars Atmosphere, Volatiles, and Crust as seen by Compact Reconnaissance Imaging Spectrometer for Mars, Part I by MCKEOWN, Nancy K, BISHOP, Janice L, NOE DOBREA, Eldar Z, EHLMANN, Bethany L, PARENTE, Mario, MUSTARD, John F, MURCHIE, Scott L, SWAYZE, Gregg A, BIBRING, Jean-Pierre, SILVER, Eli A

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Mineralogy of Juventae Chasma: Sulfates in the light-toned mounds, mafic minerals in the bedrock, and hydrated silica and hydroxylated ferric sulfate on the plateau : Mars Atmosphere, Volatiles, and Crust as seen by Compact Reconnaissance Imaging Spectrometer for Mars, Part I by BISHOP, Janice L, PARENTE, Mario, CALVIN, Wendy M, MILLIKEN, Ralph, MUSTARD, John F, WEITZ, Catherine M, NOE DOBREA, Eldar Z, ROACH, Leah H, MURCHIE, Scott L, MCGUIRE, Patrick C, MCKEOWN, Nancy K, ROSSI, Christopher M, BROWN, Adrian J

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A synthesis of Martian aqueous mineralogy after 1 Mars year of observations from the Mars Reconnaissance Orbiter : Mars Atmosphere, Volatiles, and Crust as seen by Compact Reconnaissance Imaging Spectrometer for Mars, Part I by MURCHIE, Scott L, MUSTARD, John F, ARVIDSON, Raymond E, WRAY, James J, SWAYZE, Gregg, CLARK, Roger N, DES MARAIS, David J, MCEWEN, Alfred S, BIBRING, Jean-Pierre, EHLMANN, Bethany L, MILLIKEN, Ralph E, BISHOP, Janice L, MCKEOWN, Nancy K, NOE DOBREA, Eldar Z, SEELOS, Frank P, BUCZKOWSKI, Debra L, WISEMAN, Sandra M

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