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Sol 2483: Anticipating Drill Hole Number Three (And Maybe Number Four) Within Glen Torridon

1 Aug 2019, 13:00 UTC
Sol 2483: Anticipating Drill Hole Number Three (And Maybe Number Four) Within Glen Torridon
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Mastcam left image of the block we plan to drill this weekend.

Planning today was focused on getting more compositional and textural information on top of this small ridge that we plan to attempt drilling at the weekend. This ridge is representative of one of the units mapped from orbit prior to landing, the ‘fractured clay bearing unit.’ We previously drilled two holes into the ‘smooth clay bearing unit’ and it will be interesting to compare the composition and mineralogy of these orbitally distinct units to each other and with the rest of the Murray formation.
We will use ChemCam to investigate the composition of two more spots (‘Glen Dessary’ and ‘Canisbay’) on the same block that we intend to drill to see if different layers have the same chemistry, and will get Mastcam documentation imaging of these targets.
We had the potential for two separate contact science targets in the plan today and discussed whether we wanted two APXS (chemistry) and MAHLI (imaging) targets or whether we wanted to devote one of those targets to MAHLI oblique imaging of the layers in the block we plan to drill (as opposed to imaging just the top surface). We ...

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