[meteorite-list] West - Blue-Silvery Markings

From: STARSANDSCOPES at aol.com <STARSANDSCOPES_at_meteoritecentral.com>
Date: Tue, 10 Mar 2009 22:55:31 EDT
Message-ID: <bc9.48912a32.36e88223_at_aol.com>

Hi Robert and list, I just looked at the post of the image on Michael's
site (Thanks!!!).

http://www.rocksfromspace.org/West-markings.html


SaU 001 has a copper metallic sheen on some of the examples. I wonder if it
is the same process at work?

I am convinced it is the result of metals internal to the meteorite
vaporized and depositing in the crust. Very similar to pottery glazes. Different
metals=different colors. This metallic glaze has stood up to hundreds of years
in the Oman desert. I think it is in the glass of the crust (so to speak).

I have taken some heat on this but I have tried to wear the glaze off by
carrying small samples in my pocket for extended periods. It is in the glass
that forms the crust and is not part of the weathering process as has been
suggested in SaU 001. In fact this metalic finish has been dismissed as just a
weathering phenomenon.

I am very excited to see a similar looking deposit on a fresh fall.

Email me for some cool SaU 001 crust shoots but be advised, I am not as good
with macro as micro!

Tom Phillips

In a message dated 3/10/2009 6:03:32 P.M. Mountain Daylight Time,
meteoritefinder at yahoo.com writes:

List,

I have been meaning to ask about the "blue-silvery" markings on some of the
West specimens we found. I see that McCartney Taylor mentions it on his new
web site. I showed the 60g meteorite that it is best represented on from our
finds to several "in-the-know-guys", such as Mike Farmer and Robert Haag, who
both have a seen a LOT more meteorites than I have. Neither of them had ever
seen anything like it before. That seems to be a fairly significant
statement. Robert tossed around the idea that it MIGHT be related to the copper
content in this meteorite, and MIGHT be some kind of "copper-related-melt-splash"
????? ( Not trying to start any wild, fantastic claims here at all. Like I
said, this is just some musings out loud. He also said it might be some type of
troilite melt-splash, or something else completely. But the point is,
wouldn't most of us agree that if NO one (that I've asked) has seen something like
this before, it must be fairly uncommon at
the least???

If anyone has ever seen anything like this before or knows what it is, I
would love to hear from you.

I don't have a website, or a photo hosting site, but I would be happy to
send a photo that displays the markings directly to anyone who requests it.

Thanks,
Robert Woolard















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Received on Tue 10 Mar 2009 10:55:31 PM PDT