[meteorite-list] Chelyabinsk main mass raised from Lake Chebarkul

From: Jeff Grossman <jngrossman_at_meteoritecentral.com>
Date: Wed, 16 Oct 2013 19:31:41 -0400
Message-ID: <525F21DD.8020100_at_gmail.com>

Weisberg et al (2006), in their Meteorites and the Early Solar System
review, put iron meteorites in the achondrite category, but I think this
is a minority view. So I agree with Carl that iron meteorites should not
be called achondrites. But the discussion was on observed falls, which
Hoba ain't.

Jeff

On 10/16/2013 6:59 PM, Carl Agee wrote:
> Jason,
>
> No not Hoba, since it is an iron meteorite. I didn't say Norton County
> is the largest "differentiated" or "nonchondritic" meteorite, but it
> is for sure the largest single mass "achondrite" in the world.
>
> Carl
> *************************************
> 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 Wed, Oct 16, 2013 at 3:12 PM, Jason Utas <meteoritekid at gmail.com> wrote:
>> I believe Hoba would be the largest achondrite in the world, no?
>>
>>
>> www.fallsandfinds.com
>>
>>
>> On Wed, Oct 16, 2013 at 1:22 PM, Carl Agee <agee at unm.edu> wrote:
>>> Norton County probably didn't make immediate worldwide news like
>>> Chelyabinsk, because there weren't any dash cams recording it, and
>>> there were only about 44,000 television sets in the USA at the time --
>>> the internet not even dreamed of yet. Times have changed!
>>>
>>> Carl
>>> *************************************
>>> 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 Wed, Oct 16, 2013 at 2:04 PM, Carl Agee <agee at unm.edu> wrote:
>>>> Yep! Thanks for reminding us Jeff. Norton County weighs in at ~1000
>>>> kg. It fell on Kansas sod (which we still have pieces of) not pulled
>>>> from the bottom of a lake months later. Furthermore, it is a rare
>>>> achondrite type (aubrite), which makes it the largest achondrite in
>>>> the world! Available for your viewing pleasure and open to the public
>>>> at Northrop Hall, Main Campus, University of New Mexico.
>>>>
>>>> Enjoy!: http://epswww.unm.edu/meteoritemuseum/virtualtour/norton.htm
>>>>
>>>> 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 Wed, Oct 16, 2013 at 1:46 PM, Jeff Grossman <jngrossman at gmail.com>
>>>> wrote:
>>>>> Among stones, it's going to be hard to beat Jilin, with its 1770 kg
>>>>> main
>>>>> mass. There are photos of it in the metbull database:
>>>>> http://www.lpi.usra.edu/meteor/index.php?code=12171. And let's not
>>>>> forget
>>>>> the 1000-ish kg Norton County and the 900-ish kg Kunya-Urgench
>>>>> monsters.
>>>>>
>>>>> There is a 1745 kg Sikhote-Alin iron in Moscow. I'm not sure if this
>>>>> is
>>>>> the largest of those.
>>>>>
>>>>> So, at a measly 600 kg, this Chelyabinsk stone doesn't come close to
>>>>> being
>>>>> the champion (and it isn't a "fresh fall" any more to boot!).
>>>>>
>>>>> Jeff
>>>>>
>>>>>
>>>>> On 10/16/2013 9:02 AM, Robin Whittle wrote:
>>>>>> Hi Martin,
>>>>>>
>>>>>> Thanks for posting this! The Google translation is:
>>>>>>
>>>>>>
>>>>>>
>>>>>>
>>>>>> http://translate.google.com/translate?sl=ru&tl=en&js=n&prev=_t&hl=en&ie=UTF-8&u=http%3A%2F%2Fwww.uralinform.ru%2Fnews%2Fsociety%2F186095-chelyabinskii-meteorit-podnyali-iz-glubin-chebarkulya%2F&act=url
>>>>>>
>>>>>> As you mentioned in an off-list email, here is another photo:
>>>>>>
>>>>>> http://image.newsru.com/pict/id/large/1602563_20131016155716.gif
>>>>>>
>>>>>> from which I found the main story with a long video:
>>>>>>
>>>>>> http://www.newsru.com/russia/16oct2013/bigstone.html
>>>>>>
>>>>>>
>>>>>>
>>>>>>
>>>>>> http://translate.google.com/translate?sl=ru&tl=en&js=n&prev=_t&hl=en&ie=UTF-8&u=http%3A%2F%2Fwww.newsru.com%2Frussia%2F16oct2013%2Fbigstone.html&act=url
>>>>>>
>>>>>> In recorded history, is there any other fresh fall which has produced
>>>>>> a
>>>>>> single meteorite with this mass - 570 pounds but later in the above
>>>>>> story 570 kg?
>>>>>>
>>>>>>
>>>>>> - Robin
>>>>>>
>>>>>>
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>>>>>
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Received on Wed 16 Oct 2013 07:31:41 PM PDT