Curiosity’s brushwork on Bonanza King

NASA’s Curiosity Mars rover used the Dust Removal Tool on its robotic arm to brush aside reddish, more-oxidized dust, revealing a gray patch of less-oxidized rock material at a target called “Bonanza King,” visible in this image from the rover’s Mast Camera (Mastcam). The Mastcam’s right-eye camera, which has a telephoto lens, took this image on Aug. 17, 2014, during the 722nd Martian day, or sol, of Curiosity’s work on Mars… The rover team is evaluating Bonanza King as a possible drilling target…. [More at link]