[meteorite-list] Sutter's Mill TKW Update - Friday May 18

From: Michael Gilmer <meteoritemike_at_meteoritecentral.com>
Date: Fri, 18 May 2012 16:18:54 -0400
Message-ID: <CAKBPJW_=3qTpV5p=4H+v6OmpJGKUQN4NiT0b--bDjZa_Umm9pg_at_mail.gmail.com>

Hi Jeff and List,

I completely agree. I guess we should come up with some kind of
alternative term for the largest stone from a fall like this.
Technically, the "main mass" was probably the cloud of dust and fine
particles that will never be recovered. I think I will take your
advice and relabel it as the largest known find. Maybe the real main
mass is a 5kg oriented nosecone that is sitting undiscovered under a
shrubbery somewhere on a piece of unhunted property.

Best regards,

MikeG

-- 
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Galactic Stone & Ironworks - MikeG
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On 5/18/12, Jeff Grossman <jngrossman at gmail.com> wrote:
> Once again, I've gotta take issue with calling a stone that is only 10%
> of the total recovered mass the "main mass".   I don't think this is a
> reasonable usage.  Allende, Murchison, Holbrook, and now this meteorite
> simply don't have a single main mass. Give Ward credit for the largest
> known piece.
>
> I also want to point out that classifications published in the Bulletin
> are not official classifications.  They are considered by the committee
> to be authoritative classifications, which means they were judged to be
> done by people with the proper expertise and their findings were judged
> to be reasonable.  But every classification in the Bulletin is nothing
> more than a finding made by the listed classifier(s), i.e. the work of
> one specific person or group.
>
> Jeff
>
> On 5/18/2012 9:47 AM, Michael Gilmer wrote:
>> Hi Folks,
>>
>> The find tally page has been updated again.  I was contacted by one of
>> the early finders who informed me that his SM-numbered stone was
>> actually a wrong.  It was some kind of tar-coated concrete or asphalt.
>>   So that stone was struck from the list and run out of town on a rail.
>>
>> The current unofficial TKW is 432.81 grams.
>>
>> The current unofficial number of finds is 55.
>>
>> The main mass is still Robert Ward's superb 44 gram stone.
>>
>> The official classification on this one is going to come pretty quick
>> - think along the lines of Ash Creek.  A specimen from that fall was
>> recovered very early and analyzed and it appeared in the Bulletin
>> within a couple of weeks.  I expect this new fall will follow a
>> similar path to publication.  The only thing that remains to be seen
>> is what will the official classification type be?  CM?  CM2?  CM3(!),
>> CI?  Or......?
>>
>> Official Sutter's Mill page (NASA-Dr. Jenniskens) -
>> http://asima.seti.org/sm/
>>
>> Unofficial TKW and Find Tally - http://www.galactic-stone.com/pages/lotus
>>
>> To those still who are still hunting - good luck and bring home the
>> big rocks!  :)
>>
>> Best regards,
>>
>> MikeG
>>
>
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Received on Fri 18 May 2012 04:18:54 PM PDT