[meteorite-list] First fragment of Chelyabinsk meteorite raised from bottom of Lake Chebarkul

From: Carl Agee <agee_at_meteoritecentral.com>
Date: Tue, 24 Sep 2013 09:56:13 -0600
Message-ID: <CADYrzhqCYSXyB2_sHHWOo9rgtsaz4FOR6wk7GgKEf0_bt1NNwQ_at_mail.gmail.com>

They use dry nitrogen to thaw Antarctic meteorites at NASA JSC. Maybe
that would be worth doing for the truly museum grade pieces -- if
there are any found in the lake.

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 Tue, Sep 24, 2013 at 8:51 AM, Galactic Stone & Ironworks
<meteoritemike at gmail.com> wrote:
> The thick mud at the bottom of Lake Chebarkul is surely very oxygen-poor.
>
> But, the stone will have been completely saturated now, like a sponge.
>
> So the minute they remove it from the mud, the oxidation will begin
> rapidly, unless they undertake measures to stabilize it.
>
> Best regards,
>
> MikeG
>
> --
> -------------------------------------------------------------
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>
>
> On 9/24/13, Mark Ford <mark.ford at southernscientific.co.uk> wrote:
>> Yeah Looks like a tiny little fragment?? And way too fresh...
>>
>>
>>
>> -----Original Message-----
>> From: meteorite-list-bounces at meteoritecentral.com
>> [mailto:meteorite-list-bounces at meteoritecentral.com] On Behalf Of Galactic
>> Stone & Ironworks
>> Sent: 24 September 2013 15:43
>> To: met-list
>> Subject: Re: [meteorite-list] First fragment of Chelyabinsk meteorite raised
>> from bottom of Lake Chebarkul
>>
>> Shouldn't that fragment be much more rusted if it came from the bottom of
>> the lake?
>>
>> I've seen ugly fragments on eBay that looked much worse, and they weren't
>> sitting at the bottom of a lake for 6 months.
>>
>> ???
>>
>> Best regards,
>>
>> MikeG
>> --
>> -------------------------------------------------------------
>> Web - http://www.galactic-stone.com
>> Facebook - http://www.facebook.com/galacticstone
>> Twitter - http://twitter.com/galacticstone Pinterest -
>> http://pinterest.com/galacticstone
>> -------------------------------------------------------------
>>
>>
>>
>> On 9/24/13, karmaka <karmaka-meteorites at t-online.de> wrote:
>>> The first specimen was raised from the bottom of Lake Chebarkul this
>>> morning:
>>>
>>> http://kp.ua/daily/240913/415052/
>>>
>>> http://translate.google.com/translate?hl=de&sl=ru&tl=en&u=http%3A%2F%2Fkp.ua%2Fdaily%2F240913%2F415052%2F&sandbox=1
>>>
>>> More to come...
>>>
>>> Martin
>>>
>>>
>>>
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Received on Tue 24 Sep 2013 11:56:13 AM PDT