Publications
Filter Total Items: 978
Bedrock formation at Meridiani Planum Bedrock formation at Meridiani Planum
The Mars Exploration Rover Opportunity discovered sulphate-rich sedimentary rocks at Meridiani Planum on Mars, which are interpreted by McCollom and Hynek as altered volcanic rocks. However, their conclusions are derived from an incorrect representation of our depositional model, which is upheld by more recent Rover data. We contend that all the available data still support an aeolian...
Authors
S. W. Squyres, O. Aharonson, R. E. Arvidson, J.F. Bell, P. R. Christensen, B. C. Clark, J.A. Crisp, W. Farrand, T. Glotch, M.P. Golombek, J. Grant, J. Grotzinger, Kenneth E. Herkenhoff, J. R. Johnson, B.L. Jolliff, A.H. Knoll, S. M. McLennan, H.Y. McSween, Johnnie N. Moore, J. W. Rice, N. Tosca
Petrogenesis of the Apollo 14 high-alumina basalts: Implications from ion microprobe analyses Petrogenesis of the Apollo 14 high-alumina basalts: Implications from ion microprobe analyses
In this study, ion microprobe analyses of individual minerals are used to investigate the petrogenesis of the Apollo 14 high-Al basalts. We use trace element concentrations from individual minerals in the Apollo 14 high-Al basalts to evaluate both endogenic and exogenic models. The data show that if the Apollo 14 high-Al basalts were produced by melting within the lunar mantle, these...
Authors
Justin Hagerty, Charles K. Shearer, James J. Papike
Stratigraphy and sedimentology of a dry to wet eolian depositional system, Burns formation, Meridiani Planum, Mars Stratigraphy and sedimentology of a dry to wet eolian depositional system, Burns formation, Meridiani Planum, Mars
Outcrop exposures of sedimentary rocks at the Opportunity landing site (Meridiani Planum) form a set of genetically related strata defined here informally as the Burns formation. This formation can be subdivided into lower, middle, and upper units which, respectively, represent eolian dune, eolian sand sheet, and mixed eolian sand sheet and interdune facies associations. Collectively...
Authors
J. P. Grotzinger, R. E. Arvidson, J. F. Bell, W. Calvin, B. C. Clark, D.A. Fike, M. Golombek, R. Greeley, A. Haldemann, Kenneth E. Herkenhoff, B. L. Jolliff, A. H. Knoll, M. Malin, S. M. McLennan, T. Parker, Laurence A. Soderblom, J. N. Sohl-Dickstein, S. W. Squyres, N.J. Tosca, W.A. Watters
Utility of Viking Orbiter images and products for Mars mapping Utility of Viking Orbiter images and products for Mars mapping
This paper reports on mapping procedures developed by the U.S. Geological Survey that use Viking Orbiter imagery and Mars Orbiter Laser Altimeter (MOLA) derived radii to produce topographic data. The use of Mosaiced Digital Image Models (MDIMs), created from Viking Orbiter images, and MOLA data to provide horizontal and vertical control is reviewed. We describe procedures to adapt a...
Authors
Mark R. Rosiek, Randolph L. Kirk, Brent A. Archinal, Elpitha Howington-Kraus, Trent M. Hare, Donna M. Galuszka, Bonnie L. Redding
Three in one: Multiscale Hardcopy Depiction of the Mars Surface in True3D Three in one: Multiscale Hardcopy Depiction of the Mars Surface in True3D
The visualisation of both geospatial Earth data and extra-terrestrial objects is gain- ing increasing importance. Until recently, hardcopy displays were confined to mostly static, two-dimensional or pseudo-three-dimensional depictions. The various effects offered by lenticular foil technology allow the generation of flip-image effects, short animations, and true-3D displays in hardcopy...
Authors
Manfred Buchroithner, Thomas Grundemann, Randolph L. Kirk, Klaus Habermann
Initial results of rover localization and topographic mapping for the 2003 mars exploration rover mission Initial results of rover localization and topographic mapping for the 2003 mars exploration rover mission
This paper presents the initial results of lander and rover localization and topographic mapping of the MER 2003 mission (by Sol 225 for Spirit and Sol 206 for Opportunity). The Spirit rover has traversed a distance of 3.2 km (actual distance traveled instead of odometry) and Opportunity at 1.2 km. We localized the landers in the Gusev Crater and on the Meridiani Planum using two-way...
Authors
Rongxing Li, Steven W. Squyres, Raymond E. Arvidson, Brent A. Archinal, James F. Bell, Yang Cheng, Larry S. Crumpler, David J. Des Marais, Kaichang Di, Todd A. Ely, Matthew P. Golombek, Eric Graat, John Grant, Joe Guinn, Andrew C. Johnson, Ronald Greeley, Randolph L. Kirk, Mark Maimone, Laurence A. Soderblom, Shane D. Thompson, Jue Wang, Patrick L. Whelley, Fengliang Xu
Joint analysis of visible and infrared images Joint analysis of visible and infrared images
Analysis of data combining daytime visible reflected, daytime IR emitted, and nighttime IR emitted images allows us to isolate the physical effects of topography, albedo, and thermal inertia. To a good approximation, these physical influences interact linearly so that maps showing topographic shading, albedo, and relative thermal inertia can be produced by simple algebraic manipulation...
Authors
Randolph L. Kirk, Laurence A. Soderblom, Glen E. Cushing, Timothy A. Tituus
HRSC on Mars Express: Photogrammetric and cartographic research HRSC on Mars Express: Photogrammetric and cartographic research
The High Resolution Stereo Camera (HRSC) on the European spacecraft Mars Express is the first camera on a planetary mission especially designed for photogrammetric and cartographic purposes. Since January 2004 the camera has been taking image data from the Martian surface, characterized by high-resolution, stereo capability and color. These data provide an enormous potential for the...
Authors
Jeorg Albertz, Maria Attwenger, Janet M. Barrett, Simon Casley, Peter Dorninger, Egon Dorrer, Heinrich Ebner, Stephan Gehrke, Bernd Giese, Klaus Gwinner, Christian Heipke, Elpitha Howington-Kraus, Randolph L. Kirk, Hartmut Lehmann, Helmut Mayer, Jan-Peter Muller, Juergen Oberst, Alexey Ostrovskiy, Joerg Renter, Sergiy Reznik, Ralph George Schmidt, Frank Scholten, Michael Spiegel, Uwe Stilla, Marita Wahlisch, Gerhard Neukum
The rayed crater Zunil and interpretations of small impact craters on Mars The rayed crater Zunil and interpretations of small impact craters on Mars
A 10-km diameter crater named Zunil in the Cerberus Plains of Mars created ∼107 secondary craters 10 to 200 m in diameter. Many of these secondary craters are concentrated in radial streaks that extend up to 1600 km from the primary crater, identical to lunar rays. Most of the larger Zunil secondaries are distinctive in both visible and thermal infrared imaging. MOC images of the...
Authors
Alfred S. McEwen, Brandon S. Preblich, Elizabeth P. Turtle, Natalia A. Artemieva, Matthew P. Golombek, Michelle Hurst, Randolph L. Kirk, Devon M. Burr, Phillip R. Christensen
Cassini radar views the surface of Titan Cassini radar views the surface of Titan
The Cassini Titan Radar Mapper imaged about 1% of Titan's surface at a resolution of ∼0.5 kilometer, and larger areas of the globe in lower resolution modes. The images reveal a complex surface, with areas of low relief and a variety of geologic features suggestive of dome-like volcanic constructs, flows, and sinuous channels. The surface appears to be young, with few impact craters...
Authors
C. Elachi, S. Wall, M. Allison, Y. Anderson, R. Boehmer, P. Callahan, P. Encrenaz, E. Flamini, G. Franceschetti, Y. Gim, G. Hamilton, S. Hensley, M. Janssen, W. Johnson, K. Kelleher, Randolph L. Kirk, R. Lopes, R. Lorenz, J. Lunine, D. Muhleman, S. Ostro, F. Paganelli, G. Picardi, F. Posa, L. Roth, R. Seu, S. Shaffer, Laurence A. Soderblom, B. Stiles, E. Stofan, S. Vetrella, R. West, C. Wood, L. Wye, H. Zebker
Are there active glaciers on Mars? (Reply) Are there active glaciers on Mars? (Reply)
Gillespie et al.1 concur with our interpretation that certain lobate equatorial and mid-latitude features on Mars are due to debris-covered glaciers formed largely during past periods of increased spin-axis obliquity, when climate regimes favoured snow and ice accumulation and glacial flow2. They suggest that the ‘hourglass’ deposit, dated at more than 40 Myr old2, could be active today...
Authors
J.W. Head, G. Neukum, R. Jaumann, H. Hiesinger, E. Hauber, M. H. Carr, P. Masson, B. Foing, H. Hoffmann, M. Kreslavsky, S. Milkovich, S. Van Gasselt