[meteorite-list] Met Bulletin Update: Sahara 00293

From: Galactic Stone & Ironworks <*meteoritemike_at_meteoritecentral.com*> Date: Fri, 23 Jan 2015 15:21:35 -0500 Message-ID: <CAKBPJW-peh9+wvVKA3jeaFywyLfWfWVwGyUWALo5Yk6WBV_p-Q_at_mail.gmail.com> · meteoritemike_at_meteoritecentral.com

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On 1/23/15, Carl Agee <agee at unm.edu> wrote:
> Mike and All:
>
> Even poor old L6's can have their 15 minutes of fame! This one has
> high pressure minerals: "dark blue ringwoodite and green wadsleyite".
> How cool (or should I say hot and shocked?) is that?
>
> Carl Agee
> *************************************
> Carl B. Agee
> Director and Curator, Institute of Meteoritics
> Professor, Earth and Planetary Sciences
> MSC03 2050
> University of New Mexico
> Albuquerque NM 87131-1126
>
> Tel: (505) 750-7172
> Fax: (505) 277-3577
> Email: agee at unm.edu
> http://meteorite.unm.edu/people/carl_agee/
>
>
>
> On Fri, Jan 23, 2015 at 1:01 PM, Galactic Stone & Ironworks via
> Meteorite-list <meteorite-list at meteoritecentral.com> wrote:
>> Hi Laurence and List,
>>
>> Aaaaah, the nebulous picture becomes more clear. Science works in
>> mysterious ways.
>>
>> It must be interesting (and fun) to have access to an institutional
>> collection. One could sift through the numerous specimens looking for
>> traits that stand out and/or features of interest. I wonder what first
>> caught her eye about this old Saharan OC. I wish Ms. Crystyl the best
>> of luck on her research and I hope we see her name more often in the
>> Bulletin.  :)
>>
>> Thanks for the explanation Laurence. :)
>>
>> Best regards,
>>
>> MikeG
>>
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>>
>>
>> On 1/23/15, Laurence Garvie via Meteorite-list
>> <meteorite-list at meteoritecentral.com> wrote:
>>> Crystyl is a grad student in the School of Earth and Space Exploration
>>> at
>>> ASU. She is studying shock phases in meteorites, and by chance Sah 00293
>>> has
>>> something very interesting in it (you can look up her LPSC abstract
>>> which
>>> will be online in a few weeks). In order for her LPSC abstract to be
>>> accepted, she had to first classify and then get the meteorite accepted
>>> by
>>> the NomCom.
>>>
>>> Laurence Garvie
>>> CMS
>>> ASU
>>>
>>>> ------------------------------
>>>>
>>>> Message: 6
>>>> Date: Thu, 22 Jan 2015 18:30:02 -0500
>>>> From: "Galactic Stone & Ironworks" <meteoritemike at gmail.com>
>>>> To: Meteorite List <meteorite-list at meteoritecentral.com>
>>>> Subject: [meteorite-list] Met Bulletin Update : Sahara 00293
>>>> Message-ID:
>>>>
>>>> <CAKBPJW8AFfefp7qUEXfgUC5F49c50Sihyf2wMW_wdGTE6vYsqg at mail.gmail.com>
>>>> Content-Type: text/plain; charset=UTF-8
>>>>
>>>> Hi Bulletin Watchers,
>>>>
>>>> There is one new approval. I find it curious. It is an old Sahara OC
>>>> found by Mr. Labenne fifteen years ago (2000). Crystylynda Fudge was
>>>> the classifier. I have never heard this name before. I am just curious
>>>> why this meteorite suddenly appeared out of obscurity to be approved
>>>> today.
>>>>
>>>> Best regards and Happy Huntings,
>>>>
>>>> MikeG
>>>>
>>>> Link : http://www.lpi.usra.edu/meteor/metbull.php?code=61360
>>>>
>>>> Bulletin write-up :
>>>>
>>>> Sahara 00293
>>>> (Sahara)
>>>> Found: 2000
>>>> Classification: Ordinary chondrite (L6)
>>>>
>>>> History: Reportedly collected in the same location as Sahara 98222.
>>>>
>>>> Physical characteristics: Chondrules largely integrated into matrix,
>>>> difficult to discern in cut section. Abundant shock-induced melt veins
>>>> and pockets.
>>>>
>>>> Petrography: Fine-grained recrystallized plagioclase throughout
>>>> matrix, some grains up to 200 ?m. Abundant metal sulfides and troilite
>>>> with trace native Cu. Evidence of minor planar deformation features in
>>>> olivine. Ubiquitous opaque shock melt veins and associated dark blue
>>>> ringwoodite and green wadsleyite.
>>>>
>>>> Geochemistry: (C. Fudge, ASU) EPMA: Fa24.8?0.1 FeO/MnO: 48.8?1.6 n=11;
>>>> low-Ca pyroxene Fs20.9?0.3Wo1.6?0.2 FeO/MnO: 28.6?1.1 n=12; high-Ca
>>>> pyroxene Fs8.4?0.2Wo44.4?0.1 FeO/MnO: 20.8?1.2 n=2
>>>>
>>>> Classification: Ordinary chondrite L6, S6, W2
>>>>
>>>> Specimens: 27.05 g and one thin section at ASU
>>>>
>>>>
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