2009 Portland GSA Annual Meeting (18-21 October 2009)

STROM, Robert G., Lunar and Planetary Laboratory, University of Arizona, Tucson, AZ 85721 and SOLOMON, Sean C., Department of Terrestrial Magnetism, Carnegie Institution of Washington, Washington, DC 20015, rstrom@lpl.arizona.edu, rstrom@lpl.arizona.edu

SOLOMON, Sean C., Department of Terrestrial Magnetism, Carnegie Institution of Washington, Washington, DC 20015, FREED, Andrew M., Department of Earth and Atmospheric Sciences, Purdue University, West Lafayette, IN 47907, HAUCK II, Steven A., Department of Geological Sciences, Case Western Reserve University, 10900 Euclid Avenue, AW Smith 112, Cleveland, OH 44106-7216, HEAD, James W., Department of Earth, Environmental and Planetary Sciences, Brown University, Providence, RI 02912, KERBER, Laura, Department of Geological Sciences, Brown University, Providence, RI 02912, PHILLIPS, Roger J., Planetary Science Directorate, Southwest Research Institute, 1050 Walnut St, Suite 300, Boulder, CO 80302, ROBINSON, Mark S., School of Earth and Space Exploration, Arizona State University, Tempe, AZ 85251, WATTERS, Thomas R., Center for Earth and Planetary Studies, National Air and Space Museum, Smithsonian Institution, Washington, DC 20560 and ZUBER, Maria T., Earth, Atmospheric and Planetary Sciences, MIT, Cambridge, MA 02139, scs@dtm.ciw.edu, scs@dtm.ciw.edu

HEAD III, James W.¹, MURCHIE, Scott L.², PROCKTER, Louise³, ROBINSON, Mark S.⁴, SOLOMON, Sean C.⁵, STROM, Robert G.⁶, CHAPMAN, Clark R.⁷, WATTERS, Thomas R.⁸, BLEWETT, David T.² and DENEVI, Brett W.⁹, (1)Department of Geological Sciences, Brown University, Providence, RI 02912, (2)Johns Hopkins University Applied Physics Laboratory, Laurel, MD 20723, (3)Planetary Exploration Group, Applied Physics Lab, MP3-E178, 11100 Johns Hopkins Road, Laurel, MD 20723, (4)School of Earth and Space Exploration, Arizona State University, Tempe, AZ 85251, (5)Department of Terrestrial Magnetism, Carnegie Institution of Washington, Washington, DC 20015, (6)Lunar and Planetary Laboratory, University of Arizona, Tucson, AZ 85721, (7)Southwest Research Institute, Suite 300, 1050 Walnut St, Boulder, CO 80302, (8)Center for Earth and Planetary Studies, National Air and Space Museum, Smithsonian Institution, Washington, DC 20560, (9)Johns Hopkins University Applied Physics Lab, Laurel, MD, James_Head@brown.edu, James_Head@brown.edu

DENEVI, Brett W.¹, ROBINSON, Mark S.², SOLOMON, Sean C.³, MURCHIE, Scott L.⁴, BLEWETT, David T.⁴, DOMINGUE, Deborah L.⁴, MCCOY, Timothy J.⁵, ERNST, Carolyn M.⁴, HEAD, James W.⁶, WATTERS, Thomas R.⁷ and CHABOT, Nancy L.⁴, (1)Johns Hopkins University Applied Physics Lab, Laurel, MD, (2)School of Earth and Space Exploration, Arizona State University, Tempe, AZ 85251, (3)Department of Terrestrial Magnetism, Carnegie Institution of Washington, Washington, DC 20015, (4)Johns Hopkins University Applied Physics Laboratory, Laurel, MD 20723, (5)National Museum of Natural History, Smithsonian Institution, Washington, DC 20560, (6)Department of Earth, Environmental and Planetary Sciences, Brown University, Providence, RI 02912, (7)Center for Earth and Planetary Studies, National Air and Space Museum, Smithsonian Institution, Washington, DC 20560, N/A, N/A

CHAPMAN, Clark R.¹, STROM, Robert G.², HEAD, James W.³, FASSETT, Caleb I.⁴, MERLINE, William J.¹, SOLOMON, Sean C.⁵, BLEWETT, David T.⁶ and WATTERS, Thomas R.⁷, (1)Southwest Research Institute, Suite 300, 1050 Walnut St, Boulder, CO 80302, (2)Lunar and Planetary Laboratory, University of Arizona, Tucson, AZ 85721, (3)Department of Earth, Environmental and Planetary Sciences, Brown University, Providence, RI 02912, (4)Department of Astronomy, Mount Holyoke College, South Hadley, MA 01075, (5)Department of Terrestrial Magnetism, Carnegie Institution of Washington, 5241 Broad Branch Rd. NW, Washington, DC 20015, (6)Johns Hopkins University Applied Physics Laboratory, Laurel, MD 20723, (7)Center for Earth and Planetary Studies, National Air and Space Museum, Smithsonian Institution, Washington, DC 20560, cchapman@boulder.swri.edu, cchapman@boulder.swri.edu

FASSETT, Caleb I.¹, HEAD, James W.², BLEWETT, David T.³, CHAPMAN, Clark R.⁴, DICKSON, James L.⁵, MURCHIE, Scott L.³, OBERST, Jürgen⁶, SOLOMON, Sean C.⁷, STROM, Robert G.⁸ and WATTERS, Thomas R.⁹, (1)Department of Astronomy, Mount Holyoke College, South Hadley, MA 01075, (2)Department of Earth, Environmental and Planetary Sciences, Brown University, Providence, RI 02912, (3)Johns Hopkins University Applied Physics Laboratory, Laurel, MD 20723, (4)Southwest Research Institute, Suite 300, 1050 Walnut St, Boulder, CO 80302, (5)Department of Geological Sciences, Brown University, Providence, RI 02912, (6)Institute of Planetary Research, German Aerospace Center (DLR), Berlin, Germany, (7)Department of Terrestrial Magnetism, Carnegie Institution of Washington, Washington, DC 20015, (8)Lunar and Planetary Laboratory, University of Arizona, Tucson, AZ 85721, (9)Center for Earth and Planetary Studies, National Air and Space Museum, Smithsonian Institution, Washington, DC 20560, cfassett@mtholyoke.edu, cfassett@mtholyoke.edu

WATTERS, Thomas R., Center for Earth and Planetary Studies, National Air and Space Museum, Smithsonian Institution, Washington, DC 20560, SOLOMON, Sean C., Department of Terrestrial Magnetism, Carnegie Institution of Washington, 5241 Broad Branch Rd. NW, Washington, DC 20015, HEAD, James W., Department of Earth, Environmental and Planetary Sciences, Brown University, Providence, RI 02912, MURCHIE, Scott L., Johns Hopkins University Applied Physics Laboratory, Laurel, MD 20723, ROBINSON, Mark S., School of Earth and Space Exploration, Arizona State University, Tempe, AZ 85251 and PROCKTER, Louise, Planetary Exploration Group, Applied Physics Lab, MP3-E178, 11100 Johns Hopkins Road, Laurel, MD 20723, watterst@si.edu, watterst@si.edu

CHABOT, Nancy L.¹, POWELL, Kathryn E.², BLEWETT, David T.¹ and IZENBERG, Noam R.², (1)Johns Hopkins University Applied Physics Laboratory, Laurel, MD 20723, (2)Johns Hopkins University Applied Physics Laboratory, 11100 Johns Hopkins Rd, Laurel, MD 20723, Nancy.Chabot@jhuapl.edu, Nancy.Chabot@jhuapl.edu