1. Department of Earth and Planetary Sciences; Planetary Geoscience Institute; University of Tennessee; Knoxville Tennessee 37996 USA
2. Geocontrols Systems-Jacobs JETS Contract; NASA Johnson Space Center; Houston Texas 77058 USA
3. Barrios Technology-Jacobs JETS Contract; NASA Johnson Space Center; Houston Texas 77058 USA
4. Jacobs; NASA Johnson Space Center; Houston Texas 77058 USA
5. Astromaterials Research and Exploration Science Division; NASA Johnson Space Center; Houston Texas 77058 USA
6. Department of Earth and Atmospheric Sciences; Indiana University; Bloomington Indiana 47405 USA