Solander Point, Sol 3387 - 3511 (August 4, 2013 - December 12, 2013) |
Solander Point, Sol 3387 - 3511 (August 4, 2013 - December 12, 2013) |
Aug 4 2013, 08:39 PM
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Senior Member Group: Moderator Posts: 3431 Joined: 11-August 04 From: USA Member No.: 98 |
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Sep 8 2013, 04:11 AM
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Solar System Cartographer Group: Members Posts: 10226 Joined: 5-April 05 From: Canada Member No.: 227 |
Re: the Grasberg unit:
https://gsa.confex.com/gsa/2013AM/webprogra...aper233091.html "The bright outcrop margin (the “Grasberg unit”) is the most prominent of several successive onlaps of thinly-laminated sulfate sediments onto the crater rim inselbergs." And also: http://www.lpi.usra.edu/meetings/lpsc2013/pdf/2292.pdf "A stop at the site named “Grasberg” confirmed through MI and APXS analysis that this band is a material distinct from either the materials of Cape York or the Burns Formation. Grasberg is an unusual composition with elevated Cl, and a grain-size finer than the MI resolution, in contrast to the coarse sandstone typical of Meridiani. This is a relatively thin (several tens of cm thick) unit that unconformably overlies the slopes of an eroded Cape York." 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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