Nasa’s Curiosity Rover Prepares to Zap Martian Rocks 0 Randall Gross ScienceAugust 2012Saturday, August 18, 2012 at 4:21 am PDT • Views: 1,012 bbc.co.uk Basaltic Rocks Basic Chemistry ChemCam Laser Potassium Oxides Powerful Burst Typical Mars Basalt Test Target Sodium Small Stone Zap Martian Rocks Silicon Dioxide Martian Rock Mars