[meteorite-list] Meteorite Micrographs: The Perfect Chondrule?
From: Michael L Blood <mlblood_at_meteoritecentral.com>
Date: Fri, 18 May 2007 15:55:59 -0700 Message-ID: <C2737D0F.35D41%mlblood_at_cox.net> Hi Tom, As always, your work is a joy to behold! Best wishes, Michael on 5/18/07 9:36 AM, Mike Groetz at mpg444 at yahoo.com wrote: > http://www.coasttocoastam.com/gen/page2037.html?theme=light > > My wife, Ginny Phillips has submitted some meteorite > micrographs in the past that have been used (here & > here). I thought you might get a kick out of these. I > was surprised to see the level of interest and > knowledge in the Coast to Coast audience. A lot of > cool emails! > > Way back at the beginning of time (at least for our > solar system) particles of space dust were forming in > tiny balls, these balls formed larger masses which > eventually combined to form planets. I think you could > say that was the short version of the story! > > Any way, meteorite rock (most stone meteorites) is > made up of these hardened balls of dust called > chondrules. The type class is based on the condition > and abundance of these chondrules. Heat and shock > alteration has erased evidence of chondrules to some > degree in all meteorites. I like to look for > chondrules that stand out from their matrix as > different and look (at least visually) to be altered > very little. > > These images are of two of these chondrules polished > to 1/4 micron and viewed in reflected light and in > their natural color. This may be as close as we can > get to actually look at the dust balls that eventually > built our planet. > > --Tom Phillips > starsandscopes at aol.com > meteorite.com/meteorite-gallery > > > > > ______________________________________________________________________________ > ______ > Don't pick lemons. > See all the new 2007 cars at Yahoo! Autos. > http://autos.yahoo.com/new_cars.html > ______________________________________________ > Meteorite-list mailing list > Meteorite-list at meteoritecentral.com > http://six.pairlist.net/mailman/listinfo/meteorite-list -- If You Want a Nation Ruled By Religion, Move to Iran -- Success is not counted by how high you have climbed but by how many people you brought with you. ? Anonymous -- I have given two cousins to war and I stand ready to sacrifice my wife's brother. Artemus Ward -- --Received on Fri 18 May 2007 06:55:59 PM PDT |
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