[meteorite-list] is it a meteorite

From: Jeff Grossman <jngrossman_at_meteoritecentral.com>
Date: Tue, 08 Apr 2014 13:38:31 -0400
Message-ID: <53443417.5080203_at_gmail.com>

Yes, Alan and I would call this object a real meteorite, but not
tektites, which never escaped from Earth's gravity well.

It's a bit of a stretch and model dependent, but in a way, lunar
meteorites may be considered as this type of meteorite.

Jeff

On 4/8/2014 7:18 AM, Peter Scherff wrote:
> Hi,
> According to Alan E. Rubin & Jeffrey N. Grossman: "A meteorite is a
> natural, solid object larger than 10 ?m in size, derived from a celestial
> body, that was transported by natural means from the body on which it formed
> to a region outside the dominant gravitational influence of that body and
> that later collided with a natural or artificial body larger than itself
> (even if it was the same body from which it was launched)." Using that
> definition I would say that your rock should be called a meteorite. I also
> think that a cool name for a new class of meteorites would need to be
> created. I just hope that we could have that class created before 5 examples
> of it were recognized.
>
> Thanks,
>
> Peter
>
> -----Original Message-----
> From: meteorite-list-bounces at meteoritecentral.com
> [mailto:meteorite-list-bounces at meteoritecentral.com] On Behalf Of Mark Ford
> Sent: Tuesday, April 08, 2014 3:28 AM
> To: Meteorite-list at meteoritecentral.com
> Subject: Re: [meteorite-list] is it a meteorite
>
> IMHO - This should most likely be called 'Earthite'. A whole new class of
> rocks distinct from meteorites, which so far we don't have any of (unless
> anyone knows different!?).
>
> Or they could just be known as Tektites, since that is essentially what the
> consensus is on Tektites. Though I would put Tektites in the group of
> Ancient impact glasses rather than actual fusion crusted rocks from earth.
>
> Mark
>
>
>
> -----Original Message-----
> From: meteorite-list-bounces at meteoritecentral.com
> [mailto:meteorite-list-bounces at meteoritecentral.com] On Behalf Of Chris
> Sent: 08 April 2014 06:15
> To: meteorite-list at meteoritecentral.com
> Subject: [meteorite-list] is it a meteorite
>
> Suppose a fusion crusted stone is found shortly after a fireball. When
> examined it shows a celestial age of a few million years and a relatively
> short formation age. More examination shows it to be a stone formed on
> earth, ejected into space and returned here. Is it meteorite or a
> meteorwrong. Or something in between?
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Received on Tue 08 Apr 2014 01:38:31 PM PDT