Curiosity’s Return to Missoula: A Detailed Study of the Stimson-Pahrump Contact and ChemCam Analysis

Curiosity’s successful drive of 19 m on Sol 1067 brought it back to Missoula for more targeted science. The goal is to conduct a detailed study of the Stimson-Pahrump contact and determine the relative timing of the veins observed there. A three-sol plan is in place, with a focus on ChemCam analyses.

On Sol 1068, ChemCam LIBS will be used to analyze four different “Missoula” targets (Missoula A, B, C, and D) to understand the chemistry across the contact. Several Mastcam images will also be taken to document these targets. On Sol 1070, ChemCam will make a passive observation on the target “Coombs” and a regular LIBS observation on the target “Stenerson.” Environmental monitoring activities will also be conducted over the weekend to assess the atmosphere’s opacity and search for dust devils.

After conducting thorough investigations with ChemCam, Curiosity will resume driving through Marias Pass on Sol 1070 and take post-drive imaging to prepare for science activities next week. Lauren Edgar, a Research Geologist at the USGS Astrogeology Science Center and a member of the MSL science team, provided this update. It’s important to note that planned rover activities are subject to change based on factors such as the Martian environment, communication relays, and rover status.