Home, Sweet Home, Dream becomes Reality |
Home, Sweet Home, Dream becomes Reality |
Feb 5 2006, 06:46 PM
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Senior Member Group: Members Posts: 1229 Joined: 24-December 05 From: The blue one in between the yellow and red ones. Member No.: 618 |
Hope no one minds, but I felt we have to have a new topic, right from the start, as a compendium of all the Factual Observations on this incredible structure...this Mother Ship from another world...this...(who said Burgess Shale? I laughed at that at the time. ) Who will start us off with a detailed description of what we see before us TODAY February 5, 2006 - Super Sunday.
(I'll be running from game to Exploratorium all afternoon! -------------------- My Grandpa goes to Mars every day and all I get are these lousy T-shirts!
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Feb 6 2006, 07:44 PM
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Member Group: Members Posts: 242 Joined: 21-December 04 Member No.: 127 |
The granular lower level intrigues me. Could be an ashfall layer, or we could be seeing grain size differences based on water velocity.
To go way, way out on a limb, there seems to be some periodicity within the coarse layer. Perhaps a series of flooding events? Above it is the finer-grained material...perhaps lacrustine sediments overlaying the initial coarse material following the water filling the basin? |
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Feb 6 2006, 08:34 PM
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#3
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Senior Member Group: Members Posts: 1229 Joined: 24-December 05 From: The blue one in between the yellow and red ones. Member No.: 618 |
QUOTE (gpurcell @ Feb 6 2006, 09:44 AM) The granular lower level intrigues me. Could be an ashfall layer, or we could be seeing grain size differences based on water velocity. To go way, way out on a limb, there seems to be some periodicity within the coarse layer. Perhaps a series of flooding events? Above it is the finer-grained material...perhaps lacrustine sediments overlaying the initial coarse material following the water filling the basin? Thanx. I assume the entire Steelers backfield (sorry about the mixing of sports - Is this, by the way, the outcrop dubbed Gibson ?), is float that has fallen from above, so the El - Ward line is the base of this section. From this distance (When is Explo./JPL going to release today's photos??) the granular layer seems to have shadowed interstices (sorry I don't speak good Geo ). Would that favor a 'scoriaceous' kind of ashfall over a lacustrine gravel bed? Can we put any time constraints on this section? Is it less than a million years of accumulation, or given the nature of Mars could it be almost any duration? (Insert emoticon for sitting-at-your-feet-with-rapt-attention) -------------------- My Grandpa goes to Mars every day and all I get are these lousy T-shirts!
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