Discussion:
New pick from Mapping Satellite
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JusUK2
2006-03-25 18:27:22 UTC
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Found a strange thing that looks a bit like a dwelling. It is also
positioned in the kind of place one might expect a dwelling, near a
tributory (what may have been). When I looked around other 'tributories'
there were other similar sized and shaped objects as well which seem to be
nicely spread out!

http://www.holmepage.co.uk/newpics.htm
Sir Charles W. Shults III
2006-03-25 21:48:54 UTC
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What is the area of Mars that the feature is located in? This looks
like one of the MGS images, but it would take weeks to sift through them
all. Thanks for your information.
JusUK2
2006-03-27 17:46:55 UTC
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Post by Sir Charles W. Shults III
What is the area of Mars that the feature is located in? This looks
like one of the MGS images, but it would take weeks to sift through them
all. Thanks for your information.
This is the release:

http://www.jpl.nasa.gov/news/news.cfm?release=2006-042

Its from the new Reconaissance Orbiter and is some 50 miles across.

J
Sir Charles W. Shults III
2006-03-27 20:50:49 UTC
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Thanks for the link. The images appear very similar to what we see when
water recedes over an extended period of time, leaving different shoreline
sedimentary deposits as it happens. Since a great deal of the areas we have
been exploring on Mars are of sedimentary nature, it would not be surprising
if this were the case.
The release from Squyres et al shows that the bedrock in Gusev is 40%
salts, cementing gravel and rock fragments together. The only way I know of
this happening is if a slurry of extremely salty (hypersaline) brine
evaporates slowly. But consider that the mixture has to be stirred enough
to get the rock and gravel to mix with the depositing salts.
It implies a lot about the sort of environment that had to be present
(and relatively stable) for at least many thousands of years on Mars.
Once again, thanks.
JusUK2
2006-03-28 08:48:29 UTC
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Post by Sir Charles W. Shults III
Thanks for the link. The images appear very similar to what we see
when water recedes over an extended period of time, leaving different
shoreline sedimentary deposits as it happens. Since a great deal of the
areas we have been exploring on Mars are of sedimentary nature, it would
not be surprising if this were the case.
The release from Squyres et al shows that the bedrock in Gusev is 40%
salts, cementing gravel and rock fragments together. The only way I know
of this happening is if a slurry of extremely salty (hypersaline) brine
evaporates slowly. But consider that the mixture has to be stirred enough
to get the rock and gravel to mix with the depositing salts.
It implies a lot about the sort of environment that had to be present
(and relatively stable) for at least many thousands of years on Mars.
Once again, thanks.
Your welcome.

JusUK2
2006-03-27 17:51:13 UTC
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Post by Sir Charles W. Shults III
What is the area of Mars that the feature is located in? This looks
like one of the MGS images, but it would take weeks to sift through them
all. Thanks for your information.
Don't anyone say they think they have spotted an arrow maked on the surface
pointing roughly to the location of the 'dwelling' : )
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