Geological Society of America

1:30 PM

RESULTS FROM MESSENGER's FIRST SOLAR DAY OF ORBITAL IMAGING OF MERCURY

Scott L. Murchie, Johns Hopkins University Applied Physics Laboratory, Laurel, MD and Brett W. Denevi, Johns Hopkins University Applied Physics Lab, Laurel, MD and Mark S. Robinson, Arizona State University, Tempe, AZ and James Head, Brown University, Providence, RI and Robert G. Strom, University of Arizona, Tucson, AZ and Louise Prockter, Planetary Exploration Group, Laurel, MD and Sean C. Solomon, Carnegie Institution of Washington, Washington, DC and Thomas R. Watters, Smithsonian Institution, Washington, DC and David T. Blewett, Johns Hopkins University Applied Physics Laboratory, Laurel, MD and Nancy L. Chabot, Johns Hopkins University Applied Physics Laboratory, Laurel, MD

195280 (Technical Sessions)

1:45 PM

THE GEOPHYSICS OF MERCURY: MESSENGER's VIEW FROM ORBIT

Steven A. Hauck, Case Western Reserve University, Cleveland, OH and Sean C. Solomon, Carnegie Institution of Washington, Washington, DC and Maria T. Zuber, Massachusetts Institute of Technology, Cambridge, MA and David E. Smith, Massachusetts Institute of Technology, Cambridge, MA and Catherine L. Johnson, University of British Columbia, Vancouver, BC and Roger J. Phillips, Southwest Research Institute, Boulder, CO and Frank G. Lemoine, NASA Goddard Space Flight Center, Greenbelt, MD and Jean-Luc Margot, University of California, Los Angeles, Los Angeles, CA and Gregory A. Neumann, NASA Goddard Space Flight Center, Greenbelt, MD and Stanton J. Peale, University of California Santa Barbara, Santa Barbara, CA

193104 (Technical Sessions)

2:00 PM

MAJOR ELEMENTS ON MERCURY'S SURFACE FROM MESSENGER X-RAY SPECTROMETRY

Larry R. Nittler, Carnegie Institution for Science, Washington, DC and Ann L. Sprague, University of Arizona, Tucson, AZ and Shoshana Z. Weider, Carnegie Institution of Washington, Washington, DC and Richard D. Starr, Catholic University of America, Washington, DC and Timothy J. McCoy, Smithsonian Institution, Washington, DC and Denton S. Ebel, American Museum of Natural History, New York, NY and David J. Lawrence, Johns Hopkins Applied Physics Laboratory, Laurel, MD and Ralph McNutt, Johns Hopkins Applied Physics Laboratory, Laurel, MD and Charles E. Schlemm, Johns Hopkins Applied Physics Laboratory, Laurel, MD and Sean C. Solomon, Carnegie Institution of Washington, Washington, DC

193666 (Technical Sessions)

2:15 PM

RADIOACTIVE ELEMENTS MEASURED ON MERCURY BY MESSENGER: IMPLICATIONS FOR THE PLANET'S FORMATION AND EVOLUTION

Larry G. Evans, Goddard Space Flight Center, Greenbelt, MD and Sean C. Solomon, Carnegie Institution of Washington, Washington, DC and Patrick Peplowski, Applied Physics Laboratory, Laurel, MD and Steven A. Hauk, Case Western Reserve University, Cleveland, OH and Timothy J. McCoy, Smithsonian Institution, Washington, DC and William V. Boynton, University of Arizona, Tucson, AZ and John O. Goldsten, Applied Physics Laboratory, Laurel, MD and Dave K. Hamara, University of Arizona, Tucson, AZ and Edgar A. Rhodes, Applied Physics Laboratory, Laurel, MD and Ann L. Sprague, University of Arizona, Tucson, AZ

193487 (Technical Sessions)

2:30 PM

MESSENGER: IMPLICATIONS FOR MERCURY FORMATION HYPOTHESES

Denton S. Ebel, American Museum of Natural History, New York, NY and Sarah T. Stewart, Harvard University, Cambridge, MA and Conel M. O'D. Alexander, Carnegie Institution of Washington, Washington, DC and Steven A. Hauck, Case Western Reserve University, Cleveland, OH and David J. Lawrence, Johns Hopkins Applied Physics Laboratory, Laurel, MD and Larry R. Nittler, Carnegie Institution for Science, Washington, DC and Patrick Peplowski, Applied Physics Laboratory, Laurel, MD and Sean C. Solomon, Carnegie Institution of Washington, Washington, DC and Ann L. Sprague, University of Arizona, Tucson, AZ and Richard D. Starr, Catholic University of America, Washington, DC

197230 (Technical Sessions)

2:45 PM

WIDESPREAD AND VOLUMINOUS FLOOD VOLCANISM IN THE NORTHERN LOWLANDS OF MERCURY REVEALED BY MESSENGER

Caleb I. Fassett, Mount Holyoke College, South Hadley, MA and Christian Klimczak, Carnegie Institution of Washington, Washington, DC and Brett W. Denevi, Arizona State University, Tempe, AZ and Jennifer L. Whitten, Brown University, Providence, RI and Timothy A. Goudge, Brown University, Providence, RI and David M.H. Baker, Brown University, Providence, RI and Debra M. Hurwitz, Brown University, Providence, RI and Lillian R. Ostrach, Arizona State University, Tempe, AZ and Zhiyong Xiao, Lunar and Planetary Laboratory, Tucson, AZ and Paul K. Byrne, Carnegie Institution of Washington, Washington, DC

196331 (Technical Sessions)

3:00 PM

SURFACE LAVA FLOW FEATURES ON MERCURY

Paul K. Byrne, Lunar and Planetary Institute, Houston, TX and Christian Klimczak, Carnegie Institution of Washington, Washington, DC and Brett W. Denevi, Johns Hopkins University Applied Physics Lab, Laurel, MD and Thomas R. Watters, Smithsonian Institution, Washington, DC and Sean C. Solomon, Carnegie Institution of Washington, Washington, DC and Andrew Enns, Arizona State University, Tempe, AZ and James Head, Brown University, Providence, RI and Debra M. Hurwitz, Brown University, Providence, RI and David M.H. Baker, Brown University, Providence, RI

196383 (Technical Sessions)

3:15 PM

THICKNESS OF VOLCANIC FILL IN IMPACT BASINS ON MERCURY

Carolyn M. Ernst, Johns Hopkins University Applied Physics Laboratory, Laurel, MD and Scott L. Murchie, Johns Hopkins University Applied Physics Laboratory, Laurel, MD and Olivier S. Barnouin, Johns Hopkins University Applied Physics Laboratory, Laurel, MD and Nancy L. Chabot, Johns Hopkins University Applied Physics Laboratory, Laurel, MD and James Head, Brown University, Providence, RI and Louise Prockter, Johns Hopkins University Applied Physics Laboratory, Laurel, MD and Sean C. Solomon, Carnegie Institution of Washington, Washington, DC and Thomas R. Watters, Smithsonian Institution, Washington, DC

196391 (Technical Sessions)

3:45 PM

EXTENSION IN THE NORTHERN PLAINS OF MERCURY

Thomas R. Watters, Smithsonian Institution, Washington, DC and Sean C. Solomon, Carnegie Institution of Washington, Washington, DC and James Head, Brown University, Providence, RI and Carolyn M. Ernst, Johns Hopkins University Applied Physics Laboratory, Laurel, MD and Brett W. Denevi, Johns Hopkins University Applied Physics Lab, Laurel, MD and Mark S. Robinson, Arizona State University, Tempe, AZ and Christian Klimczak, Carnegie Institution of Washington, Washington, DC and Timothy A. Goudge, Brown University, Providence, RI

193908 (Technical Sessions)

4:00 PM

STRAIN ANALYSIS OF EXTENSION IN VOLCANICALLY FLOODED IMPACT CRATERS ON MERCURY

Christian Klimczak, Carnegie Institution of Washington, Washington, DC and Thomas R. Watters, Smithsonian Institution, Washington, DC and Paul K. Byrne, Carnegie Institution of Washington, Washington, DC and Carolyn M. Ernst, Johns Hopkins University Applied Physics Laboratory, Laurel, MD and Sean C. Solomon, Carnegie Institution of Washington, Washington, DC and Timothy A. Goudge, Brown University, Providence, RI and James Head, Brown University, Providence, RI and Zhiyong Xiao, Lunar and Planetary Laboratory, Tucson, AZ

195048 (Technical Sessions)

4:15 PM

THE GEOLOGY OF MEDIUM-SIZED IMPACT BASINS ON MERCURY

Louise Prockter, Johns Hopkins University Applied Physics Laboratory, Laurel, MD and Matteo Massironi, University of Padova, Padova, N/A and David M.H. Baker, Brown University, Providence, RI and James Head, Brown University, Providence, RI and Scott L. Murchie, Johns Hopkins University Applied Physics Laboratory, Laurel, MD and Carolyn M. Ernst, Johns Hopkins University Applied Physics Laboratory, Laurel, MD and Clark R. Chapman, Southwest Research Institute, Boulder, CO and Brett W. Denevi, Johns Hopkins University Applied Physics Lab, Laurel, MD and Sean C. Solomon, Carnegie Institution of Washington, Washington, DC and Thomas R. Watters, Smithsonian Institution, Washington, DC

196615 (Technical Sessions)

4:30 PM

MERCURY'S PEAK-RING BASIN POPULATION AND THE FORMATION OF PEAK RINGS: OBSERVATIONS FROM MESSENGER FLYBY AND ORBITAL DATA

David M.H. Baker, Brown University, Providence, RI and James Head, Brown University, Providence, RI and Louise Prockter, Johns Hopkins University, Laurel, MD and Sean C. Solomon, Carnegie Institution of Washington, Washington, DC

196248 (Technical Sessions)

4:45 PM

STATISTICS OF MORPHOLOGIES OF SMALL PRIMARY AND SECONDARY CRATERS ON MERCURY'S NORTHERN PLAINS

Clark R. Chapman, Southwest Research Institute, Boulder, CO and William J. Merline, Southwest Research Institute, Boulder, CO and Lillian R. Ostrach, Arizona State University, Tempe, AZ and Zhiyong Xiao, Lunar and Planetary Laboratory, Tucson, AZ and Sean C. Solomon, Carnegie Institution of Washington, Washington, DC and James Head, Brown University, Providence, RI and Jennifer L. Whitten, Brown University, Providence, RI

196401 (Technical Sessions)

5:00 PM

CRATER STATISTICS FOR THE NORTHERN POLAR REGION OF MERCURY DERIVED FROM MESSENGER ORBITAL DATA

Lillian R. Ostrach, Arizona State University, Tempe, AZ and Clark R. Chapman, Southwest Research Institute, Boulder, CO and Caleb I. Fassett, Mount Holyoke College, South Hadley, MA and James Head, Brown University, Providence, RI and William J. Merline, Southwest Research Institute, Boulder, CO and Mark S. Robinson, Arizona State University, Tempe, AZ and Sean C. Solomon, Carnegie Institution of Washington, Washington, DC and Robert G. Strom, University of Arizona, Tucson, AZ and Zhiyong Xiao, Lunar and Planetary Laboratory, Tucson, AZ

196512 (Technical Sessions)

5:15 PM

SPECTRAL PROPERTIES OF AN UNUSUAL IMPACT MELT FLOW ON MERCURY: INTEGRATING COLOR IMAGERY WITH SPECTRAL DATA ACQUIRED BY MASCS ON MESSENGER

Rachel L. Klima, Johns Hopkins University Applied Physics Laboratory, Laurel, MD and Faith Vilas, Planetary Science Institute, Tucson, AZ and Mario D'Amore, Institute of Planetary Research, Berlin, N/A and Brett W. Denevi, Johns Hopkins University Applied Physics Lab, Laurel, MD and Carolyn M. Ernst, Johns Hopkins University Applied Physics Laboratory, Laurel, MD and Jeffrey J. Gillis-Davis, University of Hawaii, Honolulu, HI and Jörn Helbert, Institute of Planetary Research, Berlin, N/A and Noam R. Izenberg, Johns Hopkins University Applied Physics Laboratory, Laurel, MD and Pegah Pashai, University of maryland, College Park, N/A and Robert G. Strom, University of Arizona, Tucson, AZ

197083 (Technical Sessions)

T142 Exploring Mercury by Spacecraft: First MESSENGER Results from Orbit

Presentations