I dont know, but I have a longtime ligering question along the same line as yours. We all agree that planets have metals of different densities throuhghout their mantle and crust. So why has'nt a meteorite been found with its native copper , or brecciated with veins of iron and gold (not THE gold meteorite,please), or my favorite would be a uranium oxide like> uraninite< meteorite. Uranium was the heaviest of the elements produced at the moment of implosion of the Red Giant Primary Star that produced the supernova which eventually became the Nebula that collapsed into our Second Generation Star - the Sun and its planets and Allende leftovers. I mean look at pallasites, the Fe -Silicate mix that some astrophysicists say should not be possible because of the heat differential between the two. Yet the nickel/iron is there and by some miracle of physics so is the olivine in big beautiful crystals like Imilac and Esquel. Uranium is scattered all over this planet , so if a large planet was trashed in space like Tom said , why no other elemental metals, especially uranium. It's all over this planet, throughout its many layers. ???????????????? Thanks and Good Night All
~~~~~~~~~~~~~* ROMAN (IMCA # 0583)
From: "Tom aka James Knudson" <[EMAIL PROTECTED]> To: <[EMAIL PROTECTED]> Subject: [meteorite-list] a serious meteorite question! Date: Thu, 11 Dec 2003 21:48:39 -0700
Hello List,
My daughter and I were discussing iron meteorites, and she came up with
a question that I couldn't answer, and I was hoping one of you could.
Some people think that there was a large planet between Jupiter and
Saturn and it was destroyed by a cataclysmic catastrophe of biblical
proportions which resulted in the asteroid belt where most of our meteorites
are believed to come from. Does this sound right so far?
Iron meteorites are believed to be from the core of a planet such as the
one that was destroyed by the cataclysmic catastrophe.
Is it thought that some of our iron meteorites come from the asteroid
belt? If so, it would seem like different iron falls would match beings
they came from the same iron core?
Has any two irons from separate falls been matched? It would seem like
more than one iron meteoroid would have came from the asteroid belt and end
up an iron meteorite. Am I missing something?
Thanks, Tom Peregrineflier <>< Yea, that's right, The proudest member of the IMCA # 6168
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