Geodynamics Science Highlight
NASA GSFC Geodynamics 921

SCIENCE HIGHLIGHT

Geodynamics Branch, Code 921

November 2002

Frey, Sakimoto and Roark Represent Branch at Denver GSA Meeting "Early Mars", Earth-Mars Comparative Volcanology, and Interactive Software for Geoscience Educational Use are Hot Topics

The Geological Society of America: Science at the Highest level, Denver 2002. 2002 Annual Meeting and Exposition
Buried impacts on Mars, Mars/Earth Comparative Volcanology, and new features in interactive software were the topics of presentations by three members of the Geodynamics Branch at the Geological Society of America Annual Meeting October 26-31, 2002 in Denver, CO. Herb Frey organized and chaired a special topical session "Early Mars" in which he presented an introductory overview, a co-authored paper for his daughter Erin on "Evidence for Buried Crust Older than the Oldest Observed Surface Units on Mars" (Frey, Frey, Hartmann and Tanaka), and his own paper on "Large Buried and Visible Impact Basins on Mars: Total Population Ages of the Highlands and Lowlands". GSA did a press release on these two papers.

Susan Sakimoto, this year's outgoing President of the Planetary Geology Division, teamed with Scott Hughes and Tracy Gregg on two papers in the session "Terrestrial Approaches to Extraterrestrial Problems and Vice Versa". Sakimoto presented "Plains Volcanism on Mars: Topographical Data on Shield and Flow Distributions and Abundances with New Quantitative Comparisons to the Snake River Plain Volcanic Province" followed by Hughes' presentation "Plains Volcanism in the Eastern Snake River Plain: Quantitative Measurements of Petrologic Contributions to Topography with Comparisons to Mars". These two papers along with the "Father-Daughter" Mars papers above were features on SPACE.com.

Jim Roark, with a long list of GSFC summer student co-authors, gave a poster and "live" laptop demonstration of the current GRIDVIEW software, with recent improvements that include area / volume calculations, in "Students Study Mars with Interactive Analysis Tools Designed at NASA's GSFC Geodynamics Branch" in the session "Undergraduate Research in the Geosciences: Faculty and Student Perspectives".

Contact: Herb Frey, GSFC, Code 921 (Herbert.V.Frey@nasa.gov)

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Responsible NASA official: Dr. Herbert Frey

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Last modified on November 18, 2002