The question was "in universities and museums". This means accessioned
specimens. So the vast amount of NWA debris, some of which I've seen in
Marvin Killgore's collection, is mostly not relevant. -jeff
On 1/17/2012 7:44 PM, Adam Hupe wrote:
29,050 Antarctic meteorites divided by 5 pairings each since every fragment is
counted equals 5,810. If every fragment were counted from Northwest Africa,
the total meteorites found would easily exceed 1,000,000. NWA is the number
one producer of meteorites by weight, number and rare finds, all accomplished
in less than two decades.
----- Original Message -----
From: Jeff Grossman<[email protected]>
To: [email protected]
Cc:
Sent: Tuesday, January 17, 2012 3:56 PM
Subject: Re: [meteorite-list] Provenance of Universities' Material
Erik,
This would be a nearly impossible exercise to do. What I can say is this:
There are 29050 classified Antarctic meteorites in the world's colletions, and
12664 classified non-Antarctic meteorites. If we assume that all of the
Antarctics are government-collected and most of the non-Antarctics are
privately collected, then by number of named meteorites, ~30% were privately
collected. If you do it by mass, it is all dominated by the large irons, and
then you have to worry about who collected each one. If you do it by numbers
of individual specimens, I have no idea... this tends to bias the answer toward
observed large showers like Holbrook.
Tens of thousands of desert meteorites, especially NWAs, are unclassified, and will not
be classified any time soon. But these tend not to be "acquired material [in]
universities and museums." So we probably don't have to count all of them (even if
we could). But there are nearly 9000 unclassified Antarctic meteorites in institutional
collections which might be counted.
Jeff
On 1/17/2012 3:59 PM, Erik Fisler wrote:
Hello List again,
I was pondering the posts from "University Experience" and the very exciting
posts on the new lunar material along with an announcement from ASU's School of Space
Exploration's new acquisition of the 349g main mass from the Tissint fall today.
This brings up an interesting question to my mind;
What percentage of acquired material Universities and museums around the world
posses have been recovered by private hunters. (not by government or university
or museum field groups or Antarctican hunts.)
Surely the percentage must be within 98-99% ????
[Erik]
Sent from my iPod
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