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Twannberg   contributed by Anne Black, IMCA 2356   MetBul Link

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58.8 grams.   Iron, IIG

TKW 20.69 kg. Fall not observed. Found 9 May 1984, Twannberg, Canton of Berne, Switzerland.

1 of only 6 meteorites with this classification, as of 27 May 2022.


Anne writes:
Found near the Lake of Neufchatel, Switzerland, rare IIG classification.

Whole fragment, 58.8g. The arrow points to traces of crust.

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Photo 1

Photo 2

Found at the arrow (green or red) on the map below


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This Month

Anne Black
 5/28/2022 1:40:01 PM
Thank you! glad you like it. And I do know that there will be a lot more in Ensisheim, the Swiss team has been busy. Who is coming?
Bernd Pauli
 5/28/2022 12:49:22 PM
Hello Andi, for two of my three Twannberg pieces I even have the name of the finder!
Andi Koppelt
 5/28/2022 9:11:34 AM
Love it! Probably the best documented meteorite. Every single piece got a number and coordinates.
Bernd Pauli
 5/28/2022 5:51:35 AM
According to Th. Smith et al.* the Twannberg meteoroid had a preatmospheric radius of about 2 meters! *SMITH TH. et al. (2017) The cosmic-ray exposure history of the Twannberg iron meteorite (IIG) (MAPS 52-10, 2017, 2241-2257)
 5/28/2022 3:10:42 AM
Always anew surprising how fresh Twannberg pieces can appear after having been overrun even twice by the glacier of the Rh*ne. Really a fascinating meteorite, and a great piece too, Anne.

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