[meteorite-list] Chondrule formation mechanism (Info Please)

From: Rob McCafferty <rob_mccafferty_at_meteoritecentral.com>
Date: Tue Oct 24 04:23:26 2006
Message-ID: <20061024082324.28992.qmail_at_web50915.mail.yahoo.com>

I like this theory very much. (I particularly like it
because it allows the structure to form the way i
described it)
Rob McC

--- Mr EMan <mstreman53_at_yahoo.com> wrote:

>
> I think crystal formation in a fluid preceded the
> choundrule formation. Seems standard mineralogy and
> crystalography answer the how. The proto planetary
> disk was a fluid. Molecules of a feather flock
> together even in low gravity fields. Each undefined
> circuit through time and space was another
> opportunity
> for like molecules to sort themselves onto a latice.
>
>
> Whatever duration this crystal formation epoch
> existed, it seemes to have been abruptly forclosed
> to
> subsequent growth.(e.g. Depletion of the stock of
> molecules by a sweeping solar megawind that sorted
> the
> natural abundance of the elements in the solar
> system
> based on atomic weight?)
>
> One current theory is that a period of intense
> mega-lightening 500 million miles long flash-melted
> the chondrules. If this were the case perhaps the
> vitrified spherical globs slowly restored the
> crystal
> lattice within the confines of the sphere.
>
> I think this is a part of the answer but not the
> whole
> story.
>
> Elton
>
>
>
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Received on Tue 24 Oct 2006 04:23:24 AM PDT