[meteorite-list] Lunar and Apollo Meteorites

From: Becky and Kirk <bandk_at_meteoritecentral.com>
Date: Fri, 12 Aug 2011 10:10:30 -0500
Message-ID: <D571253CF5234AC483E6742C790D4261_at_owner55652f88b>

Great stuff---thanks Al

Kirk.....:-)
----- Original Message -----
From: <almitt2 at localnet.com>
To: <meteorite-list at meteoritecentral.com>
Sent: Friday, August 12, 2011 3:11 AM
Subject: [meteorite-list] Lunar and Apollo Meteorites


> The Apollo program which brought back some 840 lbs of material or about 7
> times the amount of found lunar meteorites.
>
> The average weight of a lunar meteorite is 382.895 grams. However if you
> subtract the two largest lunar meteorites which weigh about half the total
> of all found lunar meteorites there is an average weight of 210.82 grams.
> One could actually subtract a few more large specimens and the average
> weight would be down in the 150 average gram range.
>
> So your average lunar meteorite will or should weight from 150 to 400
> grams average. You still have to keep an eye out for the big guys though.
> Before 1997 only about 10 or 12 lunar meteorites were known. From 1997
> after DAG 262 was found, till 2010 a total of 54 specimens were located
> which is an average of four per year. Most of these were located in
> basically one continent.
>
> Of the lunar types there are: feldspathic breccia types (most common 37),
> mafic breccia types (3), mingled breccias (16), and the mare bassalts
> (10). Or about 66 unique specimens not paired.
>
> Keep in mind my figures could be off or now outdated. I added all these up
> in about an hours time. A good reference on lunar meteorites continues to
> be: Washington University in St. Louis.
>
> http://meteorites.wustl.edu/lunar/moon_meteorites_list_alpha.htm
>
> All my best!
>
> --AL Mitterling
>
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Received on Fri 12 Aug 2011 11:10:30 AM PDT