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Sol 2524: The Tail(ings)-end of the Glen Etive 1 Drilling Campaign

12 Sep 2019, 00:00 UTC
Sol 2524: The Tail(ings)-end of the Glen Etive 1 Drilling Campaign
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~25 cm standoff MAHLI image of the Glen Etive 1 drill hole. The hole is ~1.6 cm diameter. This image is being used to place APXS on the tailings surrounding the hole in the plan tosol.
The focus of Curiosity’s activities since returning to operations after conjunction, now that Mars has safely moved out from behind the sun, is to finish up the analyses associated with the drilling campaign at ‘Glen Etive 1.’ Yestersol we planned to dump drill fines from the drill bit assembly (DBA) and the analyses of those fines with APXS (for chemistry) and MAHLI (for close up colour and texture), as well as obtaining MAHLI images of the drill hole and associated fines surrounding the hole (tailings). The MAHLI images of the drill tailings allowed us to choose the best location on the tailings to analyze with APXS in the plan tosol. We are interested in comparing the chemistry of the tailings, versus the DBA fines, versus the brushed surface prior to drilling to look for variations in composition with depth. We may have intersected different layers during drilling; the tailings are typically derived from the top 2 cm of the drill hole, while the DBA ...

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