Agglutinates in Howardite NWA 1769: Space Weathering on Vesta

A.A. Fraeman3, R. Christoffersen4, Z. Rahman4, B.L. Ehlmann1,3, S.K. Noble5, and J.A. Barrat6. 1Jet Propulsion Laboratory, California Institute of Technology, Pasadena, CA 91109, USA. 2ARES, Mail Code KR, NASA JSC, Houston, TX 77058, USA. 3Div. of Geol. & Planet. Sci., California Institute of Technology, Pasadena, CA 91125, USA. 4Jacobs, NASA JSC, Mail Code XI, Houston, TX 77058, USA. 5. NASA GSFC Mail Code 691, Greenbelt MD 20771. USA. 6Universite de Brest, CNRS UMR 6538 (Domaines Oceaniques), I.U.E.M., Place Nicolas 12 Copernic, 29280 Plouzane, France. (Email: yang.liu@jpl.nasa.gov).