Modelling the Properties of Rock Coatings Observed by the Mars Exploration Rovers’ Alpha Particle X-ray Spectrometer and Hypthesized Environments of Formation

Glynis Perrett1, Benton C Clark2, Steven W Squyres1 and J.L. Campbell3, (1)Cornell University, Ithaca, NY, United States, (2)Space Science Institute Boulder, Boulder, CO, United States, (3)University of Guelph, Physics, Guelph, ON, Canada