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 by Elena Amador-French | Science Ops Coordinator - JPL Pasadena CA (JPL) Aug 29, 2022
After a successful 13 meter weekend drive, Curiosity finds itself in the middle of "Marker Band" valley. The underlaying bedrock has changed dramatically over the last week, from dark and nodular to light-toned and relatively smooth. This area has been of interest to the science team since Gale crater was first selected as the landing site, 10 years in the making! The orbital mineralogical information suggests the presence of Mg-sulfate bearing rocks in this area. Today's two sol plan provides our first opportunity to measure the dust-free chemical composition of this new type of bedrock with our APXS instrument, the team chose the target "Micobie." In addition to Micobie, MAHLI will image "Jacamim," another bedrock target. We'll also take a ChemCam LIBS measurement of the bedrock target "Jacamim." These measurements will help place our orbital measurements into local context and help us piece together the story of how the chemical composition of Mt. Sharp has changed over its history. Beyond studying the local bedrock, we are taking advantage of the fantastic 360 degree view around us to image exposures of the marker band on top and west of the "Bolivar" butte, as well as the stratigraphy expressed on the "Orinoco" and "Kulenan" buttes using Mastcam and ChemCam. We will also continue our regular cadence of environmental monitoring measurements. Our drive will take us another 14 or so meters into Marker Band valley as we investigate how the orbital indicator of Mg-sulfate is expressed in the bedrock at the rover scale over the next week.
Sol 3572: And Now for Something Completely Different? Or Not! Pasadena CA (JPL) Aug 23, 2022 We are almost through Paraitepuy pass, an area between two large buttes that has made for tricky driving while dealing with communication challenges, sand and broken-up rocks. But the end is in sight as we near an area identified from orbit as probably containing hydrated magnesium sulfates, in contrast with the clay-bearing unit that we have been transitioning out of. Before we get there though, the team noticed that there is an area that appears quite different from what we have been driving ove ... read more
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