Finishing work in and around Seitah, sols 238-378 |
Finishing work in and around Seitah, sols 238-378 |
Oct 21 2021, 06:50 AM
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Solar System Cartographer Group: Members Posts: 10229 Joined: 5-April 05 From: Canada Member No.: 227 |
It's time to start a new thread - this will cover the remaining work in Seitah and the drive back to the landing site.
Phil -------------------- ... because the Solar System ain't gonna map itself.
Also to be found posting similar content on https://mastodon.social/@PhilStooke Maps for download (free PDF: https://upload.wikimedia.org/wikipedia/comm...Cartography.pdf NOTE: everything created by me which I post on UMSF is considered to be in the public domain (NOT CC, public domain) |
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Oct 23 2021, 07:18 PM
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Member Group: Members Posts: 790 Joined: 9-May 21 From: Germany Member No.: 9017 |
Tau, this stratigraphy is getting interesting. Time to backtrack and try to intuit the bedding orientation. Perseverance had a pretty fair tilt when this was taken and these are probably as horizontal as the precious ridge. As to the bedding orientation, here is a sol 236 Navcam image with the sol 238 Mastcam-Z image as inset. If there is any tilt of the rover, it seems to be rather small. Navcam and Mastcam-Z are looking east-northeast. The layers are dipping to the right, i.e., towards the Artuby ridge. This is consistent with the Rimfax results in the screenshot below, which is from a presentation by Kathryn Stack Morgan. Thanks to cIclops for the link to this very interesting video! The part about Rimfax and Séítah layering begins after 21 minutes. Here is a direct link to this part. The field of view of the sol 238 Mastcam-Z image and the position of Perseverance on sol 239 are marked in the upper right section of a helicopter photo from sol 174. EDIT: Corrected the compass direction that the Navcam and Mastcam-Z looked at. I had accidentaly typed west where I meant east. The correct direction is east-nordeast. |
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