[meteorite-list] is it a meteorite

From: Jeff Grossman <jngrossman_at_meteoritecentral.com>
Date: Tue, 08 Apr 2014 13:45:34 -0400
Message-ID: <534435BE.8070801_at_gmail.com>

... well, on second thought, it's too much if a stretch since nothing of
the original texture and mineralogy suggesting an Earth origin remains
in lunar meteorites... so scratch that.

On 4/8/2014 1:38 PM, Jeff Grossman wrote:
> 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 01:45:34 PM PDT