Curiosity update: Targeting small bedrock patches, pebbles, and soil

2308MH0002970010803881C00_DXXX-br2Sols 2311-12, February 4, 2019, update by MSL scientist Roger Wiens: The accompanying image shows the target “Brent” in the lower right corner; it was analyzed with ChemCam and APXS, and imaged with MAHLI over the weekend. It is a rounded pebble roughly an inch (2.5 cm) in diameter. In spite of the fact that it has been rounded by mechanical abrasion, it still shows faint layering. You can also see inclusions that are partially filled with brighter material. Marching vertically across the face of the pebble are five laser pits from ChemCam. The bottom of each pit has a telltale whitish appearance.

Over the weekend Curiosity completed a 20-meter drive. Curiosity is heading east and will be driving below the upper side of Vera Rubin Ridge, toward waypoint 2. One of the goals for this portion of the traverse is to image the rock layers along its upper slope, but so far the slope appears to be mostly covered with soil. Today’s plan includes observations of what appears to be small bedrock targets, with Mastcam, APXS, ChemCam, and MAHLI observations of target “Isbister,” ChemCam RMI-only… [More at link]

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