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Browsing by Author "McSween, Harry Y."

Browsing by Author "McSween, Harry Y."

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  • Alkaline volcanic rocks from the Columbia Hills, Gusev crater, Mars 
    McSween, Harry Y.; Ruff, S. W.; Schmidt, M. (2006)
  • Analysis of ordinary chondrites using powder X-ray diffraction: 1. Modal mineral abundances 
    Dunn, Tasha L.; Cressey, Gordon; McSween, Harry Y.; McCoy, Timothy J. (2010)
    Abstract2013Powder X-ray diffraction (XRD) is used to quantify the modal abundances (in wt%) of 18 H, 17 L, and 13 LL unbrecciated ordinary chondrite falls, which represents the complete petrologic range of equilibrated ...
  • Analysis of ordinary chondrites using powder X-ray diffraction: 2. Applications to ordinary chondrite parent-body processes 
    Dunn, Tasha L.; McSween, Harry Y.; McCoy, Timothy J.; Cressey, Gordon (2010)
    Abstract2013We evaluate the chemical and physical conditions of metamorphism in ordinary chondrite parent bodies using X-ray diffraction (XRD)-measured modal mineral abundances and geochemical analyses of 48 type 420136 ...
  • Basaltic rocks analyzed by the Spirit rover in Gusev Crater 
    McSween, Harry Y.; Arvidson, Raymond E.; Bell, James F., III; Blaney, Diana L.; Cabrol, Nathalie A.; Christensen, Philip R.; Clark, Benton C.; Crisp, J. A.; Crumpler, Larry S.; Des Marais, D. J.; Farmer, J. D.; Gellert, R.; Ghosh, A.; Gorevan, S.; Graff, T.; Grant, John A.; Haskin, L. A.; Herkenhoff, Kenneth E.; Johnson, J. R.; Jolliff, B. L.; Klingelhöfer, Göstar; Knudson, A. T.; McLennan, S.; Milam, K. A.; Moersch, J. E.; Morris, R. V.; Rieder, R.; Ruff, S. W.; de Souza, P. A.; Squyres, Steven W.; Wanke, H.; Wang, A.; Wyatt, M. B.; Yen, A.; Zipfel, J. (2004)
  • Bounce Rock-A shergottite-like basalt encountered at Meridiani Planum, Mars 
    Zipfel, Jutta; SchröDer, Christian; Jolliff, Bradley L.; Gellert, Ralf; Herkenhoff, Kenneth E.; Rieder, Rudolf; Anderson, Robert; Bell, James F., III; Brückner, Johannes; Crisp, Joy A.; Christensen, Philip R.; Clark, Benton C.; De Souza, Paulo A.,Jr.; Dreibus, Gerlind; D'Uston, Claude; Economou, Thanasis; Gorevan, Steven P.; Hahn, Brian C.; Klingelhöfer, Göstar; McCoy, Timothy J.; McSween, Harry Y.; Ming, Douglas W.; Morris, Richard V.; Rodionov, Daniel S.; Squyres, Steven W.; Wänke, Heinrich; Wright, Shawn P.; Wyatt, Michael B.; Yen, Albert S. (2011)
  • Color and Albedo Heterogeneity of Vesta from Dawn 
    Reddy, Vishnu; Nathues, Andreas; Le Corre, Lucille; Sierks, Holger; Li , Jian-Yang; Gaskell, Robert; McCoy, Timothy J.; Beck, Andrew W.; Schroeder, Stefan E.; Pieters, Carle M.; Becker, Kris J.; Buratti, Bonnie J.; Denevi, Brett; Blewett, David T.; Christensen, Ulrich; Gaffey, Michael J.; Gutierrez-Marques, Pablo; Hicks, Michael; Keller, Horst Uwe; Maue, Thorsten; Mottola, Stefano; McFadden, Lucy A.; McSween, Harry Y.; Mittlefehldt, David; O'Brien, David P.; Raymond, Carol; Russell, Christopher (2012)
    Multispectral images (0.44 to 0.98 mm) of asteroid (4) Vesta obtained by the Dawn Framing Cameras reveal global color variations that uncover and help understand the north-south hemispherical dichotomy. The signature of ...
  • Composition of the Rheasilvia basin, a window into Vesta's interior 
    McSween, Harry Y.; Ammannito, Eleonora; Reddy, Vishnu; Prettyman, Thomas H.; Beck, Andrew W.; De Sanctis, M. Cristina; Nathues, Andreas; Le Corre, Lucille; O'Brien, David P.; Yamashita, Naoyuki; McCoy, Timothy J.; Mittlefehldt, David W.; Toplis, Michael J.; Schenk, Paul; Palomba, Ernesto; Turrini, Diego; Tosi, Federico; Zambon, Francesca; Longobardo, Andrea; Capaccioni, Fabrizio; Raymond, Carol A.; Russell, Christopher T. (2013)
    The estimated excavation depth of the huge Rheasilvia impact basin is nearly twice the likely thickness of the Vestan basaltic crust, so the mantle should be exposed. Spectral mapping by the Dawn spacecraft reveals ...
  • Compositional constraints on the genesis of diogenites, Compositional constraints on the genesis of diogenites 
    Mittlefehldt, David W.; Beck, Andrew W.; Lee, Cin-Ty A.; McSween, Harry Y.; Buchanan, Paul C. (2012)
    Abstract- We have done bulk rock compositional analyses (INAA, ICP-MS) and petrologic study of a suite of diogenite meteorites. Most contain orthopyroxenes with mg#s of 70.6-79.0. Meteorite Hills (MET) 00425 is magnesian ...
  • A coordinated spectral, mineralogical, and compositional study of ordinary chondrites 
    Dunn, Tasha L.; McCoy, Timothy J.; Sunshine, J. M.; McSween, Harry Y. (2010)
    Mineral compositions and abundances derived from visible/near-infrared (VIS/NIR or VNIR) spectra are used to classify asteroids, identify meteorite parent bodies, and understand the structure of the asteroid belt. Using a ...
  • Corrigendum to "Delivery of dark material to Vesta via carbonaceous chondritic impacts" [Icarus 221 (2012) 544–559] 
    Reddy, Vishnu; Le Corre, Lucille; O'Brien, David P.; Nathues, Andreas; Cloutis, Edward A.; Durda, Daniel D.; Bottke, William F.; Bhatt, Megha U.; Nesvorny, David; Buczkowski, Debra; Scully, Jennifer E. C.; Palmer, Elizabeth M.; Sierks, Holger; Mann, Paul J.; Becker, Kris J.; Beck, Andrew W.; Mittlefehldt, David; Li, Jian-Yang; Gaskell, Robert; Russell, Christopher T.; Gaffey, Michael J.; McSween, Harry Y.; McCord, Thomas B.; Combe, Jean-Philippe; Blewett, David T. (2013)
  • CV and CM Chondrite Impact Melts 
    Lunning, Nicole G.; Corrigan, Catherine M.; McSween, Harry Y.; Tenner, Travis J.; Kita, Noriko T.; Bodnar, Robert J. (2016)
    Volatile-rich and typically oxidized carbonaceous chondrites, such as CV and CM chondrites, potentially respond to impacts differently than do other chondritic materials. Understanding impact melting of carbonaceous ...
  • Dawn; the Vesta-HED connection; and the geologic context for eucrites, diogenites, and howardites 
    McSween, Harry Y.; Binzel, Richard P.; de Sanctis, M. Cristina; Ammannito, Eleonora; Prettyman, Thomas H.; Beck, Andrew W.; Reddy, Vishnu; Le Corre, Lucille; Gaffey, Michael J.; McCord, Thomas B.; Raymond, Carol A.; Russell, Christopher T. (2013)
    The Dawn mission has provided new evidence strengthening the identification of asteroid Vesta as the parent body of the howardite, eucrite, and diogenite (HED) meteorites. The evidence includes Vesta's petrologic ...
  • Delivery of Dark Material to Vesta via Carbonaceous Chondritic Impacts 
    Reddy, Vishnu; Corre, Lucille Le; O'Brien, David P.; Nathues, Andreas; Cloutis, Edward A.; Durda, Daniel D.; Bottke, William F.; Bhatt, Megha U.; Nesvorny, David; Buczkowski, Debra; Scully, Jennifer E. C.; Palmer, Elizabeth M.; Sierks, Holger; Mann, Paul J.; Becker, Kris J.; Beck, Andrew W.; Mittlefehldt, David; Li, Jian-Yang; Gaskell, Robert; Russell, Christopher T.; Gaffey, Michael J.; McSween, Harry Y.; McCord, Thomas B.; Combe, Jean-Philippe; Blewett, David (2012)
    NASA's Dawn spacecraft observations of asteroid (4) Vesta reveal a surface with the highest albedo and color variation of any asteroid we have observed so far. Terrains rich in low albedo dark material (DM) have been ...
  • Elemental Mapping by Dawn Reveals Exogenic H in Vesta's Regolith 
    Prettyman, Thomas H.; Mittlefehldt, David W.; Yamashita, Naoyuki; Lawrence, David J.; Beck, Andrew W.; Feldman, William C.; McCoy, Timothy J.; McSween, Harry Y.; Toplis, Michael J.; Titus, Timothy N.; Tricarico, Pasquale; Reedy, Robert C.; Hendricks, John S.; Forni, Olivier; Le Corre, Lucille; Li, Jian-Yang; Mizzon, Hugau; Reddy, Vishnu; Raymond, Carol A.; Russell, Christopher T. (2012)
    Using Dawn's Gamma Ray and Neutron Detector, we tested models of Vesta's evolution based on studies of howardite, eucrite, and diogenite (HED) meteorites. Global Fe/O and Fe/Si ratios are consistent with HED ...
  • Field Reconnaissance Geologic Mapping of the Columbia Hills, Mars Based on MER Spirit and MRO HiRISE Observations 
    Crumpler, L. S.; Arvidson, R. E.; Squyres, Steven W.; McCoy, Timothy J.; Yingst, A.; Ruff, S.; Farrand, W.; McSween, Harry Y.; Powell, M.; Ming, D. W.; Morris, R. V.; Bell, J. F., III; Grant, John A.; Greeley, Ronald; DesMarais, D.; Schmidt, M.; Cabrol, N. A.; Haldemann, A.; Lewis, K. W.; Wang, A. E.; Schroder, C.; Blaney, D.; Cohen, B.; Yen, A.; Farmer, J.; Gellert, R.; Guinness, E. A.; Herkenhoff, K. E.; Johnson, J. R.; Klingelhöfer, Göstar; McEwen, A.; Rice, Jr, J.W.; Rice, M. E.; deSouza, P.; Hurowitz, J. (2011)
  • Glasses in howardites: Impact melts or pyroclasts? 
    Singerling, Sheryl A.; McSween, Harry Y.; Taylor, Larry A. (2013)
    We have analyzed glasses in eight howardites with the aim of distinguishing their origins as impact melts or pyroclasts. Although theoretical calculations predict that pyroclastic eruptions could have taken place on Vesta, ...
  • Grosvenor Mountains 95 howardite pairing group: Insights into the surface regolith of asteroid 4 Vesta 
    Lunning, Nicole G.; Welten, Kees C.; McSween, Harry Y.; Caffee, Marc W.; Beck, Andrew W. (2016)
    Regolithic howardites are analogs for the surface materials of asteroid 4 Vesta, recently mapped by the Dawn spacecraft. Rigorously evaluating pairing of howardites recovered in 1995 in the Grosvenor Mountains (GRO 95), ...
  • Localization and physical properties experiments conducted by Spirit at Gusev crater 
    Arvidson, Raymond E.; Anderson, R. C.; Bartlett, P.; Bell, James F., III; Blaney, Diana L.; Christensen, Philip R.; Chu, P.; Crumpler, Larry S.; Davis, K.; Ehlmann, B. L.; Fergason, R.; Golombek, M. P.; Gorevan, S.; Grant, John A.; Greeley, Ronald; Guinness, E. A.; Haldemann, A. F. C.; Herkenhoff, Kenneth E.; Johnson, J.; Landis, G.; Li, R.; Lindemann, R.; McSween, Harry Y.; Ming, D. W.; Myrick, T.; Richter, L.; Seelos, F. P.; Squyres, Steven W.; Sullivan, R. J.; Wang, A.; Wilson, J. (2004)
  • Mars Exploration Rover Geologic traverse by the Spirit rover in the Plains of Gusev Crater, Mars 
    Crumpler, Larry S.; Squyres, Steven W.; Arvidson, Raymond E.; Bell, James F., III; Blaney, Diana L.; Cabrol, Nathalie A.; Christensen, Philip R.; DesMarais, D. J.; Farmer, J. D.; Fergason, R.; Golombek, M. P.; Grant, F. D.; Grant, John A.; Greeley, Ronald; Hahn, B.; Herkenhoff, Kenneth E.; Hurowitz, J. A.; Knudson, A. T.; Landis, G. A.; Li, R.; Maki, J.; McSween, Harry Y.; Ming, D. W.; Moersch, J. E.; Payne, M. C.; Rice, J. W.; Richter, L.; Ruff, S. W.; Sims, M.; Thompson, S. D.; Tosca, N.; Wang, A.; Whelley, P.; Wright, S. P.; Wyatt, M. B. (2005)
  • Mg-rich harzburgites from Vesta: Mantle residua or cumulates from planetary differentiation? 
    Hahn, Timothy M.; Lunning, Nicole G.; McSween, Harry Y.; Bodnar, Robert J.; Taylor, Lawrence A. (2018)
    We describe petrographic, electron microprobe, and laser ablation ICP-MS analyses of Mg-rich harzburgite clasts in the Dominion Range 2010 howardites, and conclude that they are xenolithic samples of the...

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