Curiosity is currently investigating an alteration zone around a fracture.  After a successful drilling investigation at “Big Sky,” Curiosity is now ready to evaluate the alteration zone at “Greenhorn” for comparison. The weekend plan is a busy one.  The first sol is focused on SAM activities, to prepare a cup to receive the “Big Sky” drill sample, and then to drop off the sample.  On the second sol Curiosity will … Continue reading Sols 1129-1131: Assessing “Greenhorn”