[meteorite-list] Ordovician Meteorites...was New or maybe old

From: E.P. Grondine <epgrondine_at_meteoritecentral.com>
Date: Fri, 9 May 2008 07:41:22 -0700 (PDT)
Message-ID: <513004.64237.qm_at_web36902.mail.mud.yahoo.com>

Hi Sterling, Elton,

Just catching up with the mail here, as I have been
out selling my book.

Contra Muller and Morrison, the most likely injection
mechanism is not a companion body but rather cometary
impact due to gravitational fluctuation caused by our
solar system passing through our galaxy. In this case
most likely a cometary impact "disrupted" an
asteroidal parent body, and we should be seeing signs
of this in our "samples", the L meteorites. We now
have an estimated period for their "condensation",
"gravitational differentiation" within the parent
body.

We also gain a mechanism for setting the crater count
clock throughout the solar system, and once the
neutron and proton production are sorted out, and the
percents and travel times to other bodies, a pretty
good one.

E.P. Grondine
Man and Impact in the Americas




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Received on Fri 09 May 2008 10:41:22 AM PDT