Sol 1312, April 14, 2016, update from USGS scientist Lauren Edgar: The original plan for today included an ~11 m drive to get closure to a fracture in the Stimson formation. However, during science discussion, the team talked further about how to best sample both altered and unaltered Stimson bedrock, and realized that some of the best places to accomplish the proposed sampling were likely behind us! As a result of this discussion, the drive in today’s plan was pulled at the last minute.
So the modified plan for Sol 1312 includes several ChemCam and Mastcam observations to assess the composition of both altered and unaltered Stimson bedrock, and Mastcam imaging… [More at link]