[meteorite-list] Met Bulletin Update : New Type Classification(E-Melt)

From: Greg Hupé <*gmhupe_at_meteoritecentral.com*> Date: Sat, 7 Jun 2014 15:20:47 -0400 Message-ID: <A576E811D75F472A922D0092274E0F5A_at_Gregor> · gmhupe_at_meteoritecentral.com

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On 6/7/14, Greg Hup? <gmhupe at centurylink.net> wrote:
> Hello Mike, Jeff, et al,
> I've Cc'd Drs Irving and Bunch here.
>
> This Enstatite 'conversation' reminds me of the 'ongoing need' to make the
> proper [Official Classification] changes to Al Haggounia (aka earlier, NWA
> 2828).
>
> The 'Official' classification which has been proven NOT to be an Aubrite
> needs to be corrected in the Meteoritic Bulletin and other public places. 
> Al
>
> Haggounia is a 'simple' EL3-6 meteorite which makes it pretty interesting 
> in
>
> its own right. This is one that has been pushed aside by the committee and
> ignored even though Drs. Irving, Bunch, and others have proven over the 
> last
>
> several years it is a unique Enstatite Chondrite...  Not an Aubrite!
>
> Here is an in-depth web page that discusses the problems with Al
> Haggounia/NWA 2828 and pairings, a VERY good read for all who seek the 
> truth
>
> about this unique 'Enstatite'...
>
> From Northern Arizona University (NAU) & the University of Washington 
> (UW):
> 'The Al Haggounia "Fossil or Paleo" Meteorite Problem'
>
> http://www4.nau.edu/meteorite/Meteorite/Al_Haggounia.html
>
>
> Best Regards,
> Greg
>
> ====================
> Greg Hup?
> The Hup? Collection
> gmhupe at centurylink.net
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>
> -----Original Message-----
> From: Galactic Stone & Ironworks via Meteorite-list
> Sent: Saturday, June 07, 2014 1:09 PM
> To: Jeff Grossman
> Cc: Meteorite List
> Subject: Re: [meteorite-list] Met Bulletin Update : New Type
> Classification(E-Melt)
>
> Hi Jeff and List,
>
> I'm not excited, just curious. Since it's a joint NIPR-Belgian
> meteorite find, it will never show up on the private market anyway.  I
> was waiting for Jeff to chime in on this one and clarify the apparent
> new class.  With the sample being so small, and with the differences
> between the classification peculiarities between different
> institutions, I assumed it was a temporary classification - put the
> meteorite under some heading until we figure out later where it
> properly fits into the scheme.
>
> I also left out the word "breccia" by mistake.  The actual
> classification in the Bulletin entry is "E-Melt Breccia".
>
> Thanks for the clarification Jeff.  Now I can go back to chasing
> more-obtainable "unobtainables" like a Kakangari specimen.  :)
>
> Best regards,
>
> MikeG
>
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>
>
>
>
> On 6/7/14, Jeff Grossman via Meteorite-list
> <meteorite-list at meteoritecentral.com> wrote:
>> I wouldn't get too excited about this. Lots of enstatite meteorites
>> (chondrites and achondrites) are melt rocks and melt breccias, and
>> they've been described for decades by Alan Rubin and others, e.g.
>>
>> http://www.sciencedirect.com/science/article/pii/S0016703796003353
>> http://onlinelibrary.wiley.com/doi/10.1111/j.1945-5100.1998.tb01654.x/abstract
>>
>> A-12057 is simply not yet grouped as EH or EL (you can bet it's one or
>> the other), and has melt component in it like so many other E
>> chondrites.  So don't take it as any kind of first.  It isn't, or at
>> least there is no reason yet to think it is.
>>
>> One day, somebody will scrub the entire class and better classifications
>> will be published in MetBull.  Until then, arm yourself with knowledge
>> rather than the labels you find in simple catalogs.
>>
>> Jeff
>>
>> On 6/6/2014 6:14 AM, Graham Ensor via Meteorite-list wrote:
>>> Yes, as Marcin said...probably just a fragment from an Enstatite which
>>> is totally melt...as you get with some Chelly individuals...I dont see
>>> how they can come up with a new type from just 4.5g like this???
>>>
>>> Graham
>>>
>>> On Fri, Jun 6, 2014 at 2:18 AM, Galactic Stone & Ironworks via
>>> Meteorite-list <meteorite-list at meteoritecentral.com> wrote:
>>>> Hi Bulletin Watchers,
>>>>
>>>> 437 meteorites from previous NIPR (Japan) expeditions to Antarctic
>>>> have been approved for the Met Bulletin today. Buried in the hundreds
>>>> of small OC's is an apparent new classification of E-Melt. This is the
>>>> first and only meteorite classified as "E-Melt". Frustrated
>>>> Type-Collectors, please meet Asuka 12057.
>>>>
>>>> Link : http://www.lpi.usra.edu/meteor/metbull.php?code=60054
>>>>
>>>> Best regards and happy huntings,
>>>>
>>>> MikeG
>>>>
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