[meteorite-list] Re: Desert Varnish
From: magellon <magellon_at_meteoritecentral.com>
Date: Thu Apr 22 10:07:01 2004 Message-ID: <3DAC4D9E.EC037D9D_at_earthlink.net> --------------3BA8E393A8E789530B73EFD9 Content-Type: text/plain; charset=iso-8859-1 Content-Transfer-Encoding: 8bit Rafael, Excellent links to explain your desert varnish questions have been posted this month. Here is the archive in order by date: http://www.pairlist.net/pipermail/meteorite-list/2002-October/date.html Best, Ken Newton meteorwrongs on eBay "Rafael B. Torres" wrote: > Hello everyoneˇˇˇˇ..Ive been offline for two days and Ive seen this list > kinda quiet for now. There has been a topic in this list that I would like > to know about. > I live in the northern mexican desert, and Im quite familiar with desert > varnish in rocks and its appearance. I dont like desert varnish in normal > rocks cuz this makes impossible to look for meteorites around here, because > every rock around here seems to be covered with the black and dark desert > crust. Ive been fooled more than once thinking normal rocks are meteorites, > cuz from far away some rocks seem to be meteorites, even in huge sand dunes > where the sand is almost white and very fine. I dont know what causes desrt > varnish, Ive been told its from the radiation of the sun. The desert varnish > around here is like a fusion crust on meteorites, but it has rough texture > and opaque shine. > > Desert varnish in meteorite I have from the Sahara desert seem like dark and > others are light red or orange. I think this in part is because of the > interior make up of meteorites, but if its desert varnish, why is it so > shiny and soft?, does anybody know what causes desert varnish in > meteorites?, and does it differ from desert to desert?. I think ths desert > varnish may have clues of the time the meteorite has spent in the Earth. So > this desert varnish is a sign of severe weathering on the meteorite or not? > > =0) > Rafael B. Torres > Space Collection 2001 > http://www.geocities.com/rafael_blando > > _________________________________________________________________ > MSN Photos is the easiest way to share and print your photos: > http://photos.msn.com/support/worldwide.aspx > > ______________________________________________ > Meteorite-list mailing list > Meteorite-list_at_meteoritecentral.com > http://www.pairlist.net/mailman/listinfo/meteorite-list --------------3BA8E393A8E789530B73EFD9 Content-Type: text/html; charset=us-ascii Content-Transfer-Encoding: 7bit <!doctype html public "-//w3c//dtd html 4.0 transitional//en"> <html> Rafael, <br>Excellent links to explain your desert varnish questions have <br>been posted this month. Here is the archive in order by date: <br> <a href="http://www.pairlist.net/pipermail/meteorite-list/2002-October/date.html">http://www.pairlist.net/pipermail/meteorite-list/2002-October/date.html</a> <p>Best, <br>Ken Newton <br> <a href="http://members.ebay.com/aboutme/magellon/">meteorwrongs on eBay</a> <br> <br> <p>"Rafael B. Torres" wrote: <blockquote TYPE=CITE>Hello everyone¡¡¡¡..Ive been offline for two days and Ive seen this list <br>kinda quiet for now. There has been a topic in this list that I would like <br>to know about. <br>I live in the northern mexican desert, and Im quite familiar with desert <br>varnish in rocks and its appearance. I dont like desert varnish in normal <br>rocks cuz this makes impossible to look for meteorites around here, because <br>every rock around here seems to be covered with the black and dark desert <br>crust. Ive been fooled more than once thinking normal rocks are meteorites, <br>cuz from far away some rocks seem to be meteorites, even in huge sand dunes <br>where the sand is almost white and very fine. I dont know what causes desrt <br>varnish, Ive been told its from the radiation of the sun. The desert varnish <br>around here is like a fusion crust on meteorites, but it has rough texture <br>and opaque shine. <p>Desert varnish in meteorite I have from the Sahara desert seem like dark and <br>others are light red or orange. I think this in part is because of the <br>interior make up of meteorites, but if its desert varnish, why is it so <br>shiny and soft?, does anybody know what causes desert varnish in <br>meteorites?, and does it differ from desert to desert?. I think ths desert <br>varnish may have clues of the time the meteorite has spent in the Earth. So <br>this desert varnish is a sign of severe weathering on the meteorite or not? <p> =0) <br>Rafael B. Torres <br>Space Collection 2001 <br><a href="http://www.geocities.com/rafael_blando">http://www.geocities.com/rafael_blando</a> <p>_________________________________________________________________ <br>MSN Photos is the easiest way to share and print your photos: <br><a href="http://photos.msn.com/support/worldwide.aspx">http://photos.msn.com/support/worldwide.aspx</a> <p>______________________________________________ <br>Meteorite-list mailing list <br>Meteorite-list_at_meteoritecentral.com <br><a href="http://www.pairlist.net/mailman/listinfo/meteorite-list">http://www.pairlist.net/mailman/listinfo/meteorite-list</a></blockquote> </html> --------------3BA8E393A8E789530B73EFD9-- Received on Tue 15 Oct 2002 01:17:18 PM PDT |
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