We have started moving off from Pahrump, towards our next main Waypoint at Artist’s Drive. This remarkable site of large sulfate veins is in front of us at Garden City. Such a large concentration suggests that we may be getting closer to a sedimentary layer of evaporite salts, as we progress through the foothills of Mt. Sharp. The middle parts of Mt Sharp show signs of sulphate enrichment because of their spectral signature in the near infra red parts of the spectrum.
This week is also the Lunar and Planetary Science Conference in Houston (home of the NASA Johnson Space Centre). There will be a lot of discussion about MSL results, I am giving a talk about Hematite Ridge – one of the main MSL targets – and how it might have formed through martian weathering.
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