[meteorite-list] Rare space rock goes unnoticed for 140 years - space - 13 December 2013 - New Scientist

From: Karen Ziegler <kziegler_at_meteoritecentral.com>
Date: Sat, 14 Dec 2013 21:20:52 +0000
Message-ID: <CED21852.1FFF2%kziegler_at_unm.edu>

Large spread of d18O values (2.5 to 7.7?). D17O values between -5.6 and
-3.9?. 4 out of the analyzed 5 aliquots plot in the CM oxygen isotope
field. These data have to be coupled with Rhian Jones' abundant mineralogy
and petrography data !

Karen



On 12/14/13 2:00 PM, "Carl Agee" <agee at unm.edu> wrote:

>For those of you who don't understand Dutch, the lady in the YouTube
>clip is the owner of Diepenveen and she donated it to museum Naturalis
>(which is the merger of the Royal Museums at Leiden). Neat story, and
>clearly great publicity for meteoritics! Now just waiting on Karen
>Ziegler to tell everyone what the oxygen isotopes are :)
>
>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 Sat, Dec 14, 2013 at 11:27 AM, Marco Langbroek
><marco.langbroek at online.nl> wrote:
>>> Hi listoids,
>>>
>>> No "Diepenveen", as the meteorite is now officially called, in the Met
>>> Bull, sorry.
>>> Best regards.
>>> Michel Franco
>>> IMCA 3869
>>
>>
>>
>> That's because the meteorite still has to be submitted. It's not an
>>official
>> name yet.
>>
>> It will probably be submitted in the next few weeks after some
>>additional
>> microprobe work to complement earlier preliminary work.
>>
>> I am one of the PI's on this meteorite.
>>
>> The meteorite is "officially" the 5th meteorite of the Netherlands in
>>the
>> sense that we have established it is a meteorite indeed, a CM
>>Carbonaceous
>> meteorite more exactly, and not paired to a known meteorite.
>>
>> Last Thursday, the former owner of the meteorite in a ceremony handed
>>over
>> the stone to the Dutch National Museum of Natural History in Leiden,
>>with
>> press present, hence why it is in the news now.
>>
>> For some pictures of the stone, see here:
>>
>> http://home.online.nl/marco.langbroek/diepnl.html
>>
>> (apologies that there is only a Dutch text for the moment)
>>
>> More news on this meteorite somewhere next year when we have completed
>> several analysis. Besides our VU University Amsterdam, several
>>international
>> institutions are involved (Oxygen isotopes were done at UNM for example
>>and
>> CRE at UC Berkeley) and research is still ongoing.
>>
>> This is the 5th surviving meteorite of the Netherlands but the third
>> chronologically if we look at the fall date, 27 October 1873.
>> Chronologically it is the 2nd witnessed CM fall, after Cold Bokkeveld.
>>
>> For those of you who master Dutch, there is a TV news item in Dutch
>>about
>> the handover ceremony here, including some short snippets of interview
>>with
>> me, the former owner, and the amateur astronomer who basically
>> 'rediscovered' it in the former owner's rock collection 139 years after
>>it
>> fell:
>>
>> http://youtu.be/8IPR9vrQoR4
>>
>> There is only one stone (a half stone actually: 50-65% fusion crust),
>> originally weighing 68 grams before sampling. It came in a wooden box
>>with a
>> beautiful hand-written label with details including location, date,
>>time,
>> phenomena, name of the person who picked it up etcetera. With some
>> additional archive research, we can pinpoint the fall location to a few
>> hundred yards.
>>
>> Cheers,
>>
>> - Marco
>>
>>
>> -----
>> Dr Marco Langbroek
>>
>> Faculty of Earth and Life Sciences
>> VU University Amsterdam
>> -----
>>
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Received on Sat 14 Dec 2013 04:20:52 PM PST