Didn’t the Hupe Brothers offer an Earth origine meteorite some years back? Michael Blood
> On July 12, 2023 at 7:21 AM drtanuki via Meteorite-list > <[email protected]> wrote: > > > > > > 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 ([email protected]); 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 <[email protected]> wrote: > > > > > > Unfortunately paywall > > > Sent from Yahoo Mail for iPhone > > On Wednesday, July 12, 2023, 2:05 AM, Albert Jambon via Meteorite-list > <[email protected]> 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 > > [email protected] > > https://pairlist2.pair.net/mailman/listinfo/meteorite-list > >> > > ______________________________________________ > Meteorite-list mailing list > [email protected] > https://pairlist2.pair.net/mailman/listinfo/meteorite-list > ______________________________________________ > Meteorite-list mailing list > [email protected] > https://pairlist2.pair.net/mailman/listinfo/meteorite-list ______________________________________________ Meteorite-list mailing list [email protected] https://pairlist2.pair.net/mailman/listinfo/meteorite-list
