John Bridges: Mars Science Laboratory Blog
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The second Bagnold Dunes campaign is now drawing to a close. We have a sieved (150 micron) sample of the dune in the internal cache which will be used for SAM isotope and organic analyses, and CheMin mineral identification.
Here we see an array (a '10 by 1') of ChemCam laser shots captured by MastCam.
We are continuing the Bagnold Dunes campaign, with stops 3 and 4. This NavCam view shows the Curiosity robotic arm for the team's examination. Here we have checked the position of the MAHLI cover (seen at the bottom of the robotic arm turret) and all is as planned for future operations.
We have been examining Ireson Hill and found this unusual 10-15 cm diameter rock- called Passagassawakakeag !
The shape is an almost perfect Dreikanter. That's a German word for a sample in desert or periglacial environments formed by the abrasion of blown sand. Dreikanters typically have a pyramid shape with flat wind-abraded facets.
We have started the second part of the Bagnold Dunes campaign. This NavCam image shows Bagnold dunes in front of Ireson Hill. This first in the current dunes campaign is Called Mapleton.
Good news for the MSL team is that ChemCam is back in operation after having an electrical fault. We have started with a 5 x 1 laser raster on the ripple crests.