https://www.hou.usra.edu/meetings/metsoc2022/pdf/6294.pdf
NORTHWEST AFRICA 13188: A METEORITE FROM THE EARTH? V. Debaille1 , J.
Gattacceca2 , J. Roland1,3, R. Braucher2 , B. Devouard2 , I. Leya4 , A. Jambon5
, H. Pourkhorsandi1 , S. Goderis3 1Laboratoire G-Time, Université Libre de
Bruxelles, Brussels, Belgium (vinciane.debai...@ulb.be); 2CEREGE, Université
Aix-Marseilles, France; 3AMGC, Vrije Universiteit Brussel, Brussels, Belgium;
4Space and Planetary Science, Universität Bern, Bern, Switzerland; 5Sorbonne
Université, Paris, France Meteorites are usually first identified visually by
their fusion crust before more detailed analyses (mineralogical observations,
elemental concentrations, isotope compositions, …) enable to propely assign
them to a specific meteorite group. Based on the observation of a fusion crust,
texture and mineralogy, NWA 13188 was classified as an ungrouped achondrite
[1]. This single stone was purchased by AJ from a Moroccan meteorite dealer at
Ste Marie aux Mines Mineral Show in June 2018. It is an igneous rock with
overall subophitic texture and typical silicate grain size of 350 µm. The
mineralogy is dominated by plagioclase (49 vol%) and pyroxene (26 vol%), as
well as fine-grained mesosta-sis of plagioclase, pyroxene (18 vol% of the
mesostasis), accessory FeTi oxides and glass. Vesicles with typical size 250 µm
represent 8 vol% of the rock. No metal is observed. ...
Northwest Africa 13188
https://www.lpi.usra.edu/meteor/metbull.php?code=71664
On Wednesday, July 12, 2023 at 11:11:10 PM GMT+9, Michael Farmer via
Meteorite-list <meteorite-list@meteoritecentral.com> wrote:
Unfortunately paywall
Sent from Yahoo Mail for iPhone
On Wednesday, July 12, 2023, 2:05 AM, Albert Jambon via Meteorite-list
<meteorite-list@meteoritecentral.com> wrote:
> There was a presentation at the Goldschmidt Conference in Lyon this week.
> Here is a link
>
>
>
> https://www.newscientist.com/article/2381928-meteorite-left-earth-then-landed-back-down-after-round-trip-to-space/
>
>
>
> Albert JAMBON
>
> ______________________________________________
> Meteorite-list mailing list
> Meteorite-list@meteoritecentral.com
> https://pairlist2.pair.net/mailman/listinfo/meteorite-list
>>
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