[meteorite-list] How does regolith get stoned?

From: Rob McCafferty <rob_mccafferty_at_meteoritecentral.com>
Date: Sun Aug 27 06:23:14 2006
Message-ID: <20060827102308.42142.qmail_at_web50910.mail.yahoo.com>

Probably impact pressures from meteorites. I suppose
heat during the process may be involved but NWA3136
fragments look quite similar to actual regolith. I
would imagine impact melting would change its
appearance more as NWA482 has obvious melt veins which
lunar anorthosite return samples don't seem to have.

What do I know! Probably completely wrong. I've only
seen little bits.

Rob McC

--- Darren Garrison <cynapse_at_charter.net> wrote:

> I'm wondering how lunar/asteroidal regolith becomes
> reprocessed into solid
> brecciated stones. Is it reburied to a depth that
> heat and pressure do the job,
> or maybe "cold welding" plays a role?
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Received on Sun 27 Aug 2006 06:23:08 AM PDT