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| Vyatka | |||||||||||||||||||||||||||||||||||||
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| Basic information | Name: Vyatka This is an OFFICIAL meteorite name. Abbreviation: There is no official abbreviation for this meteorite. Observed fall: No Year found: 1991 or 1992 Country: Russia Mass:  45 kg | ||||||||||||||||||||||||||||||||||||
| Classification history: |
This is 1 of 6556 approved meteorites (plus 2 unapproved names) classified as H4. [show all] Search for other: H chondrites, H chondrites (type 4-7), Ordinary chondrites, and Ordinary chondrites (type 4-7) | ||||||||||||||||||||||||||||||||||||
| Writeup |
Writeup from MB 77:
Vyatka Kirov region, Russia Found 1992 Ordinary chondrite (H4) A mass of 40-50 kg was reportedly found on the shore of the Vyatka river near the town Sovetsk, but the main mass was lost. Classification: Ilya A. Stroganov. Analysis: olivine Fa17.6, total iron 27.0%; N. N. Kononkova and L D. Barsukova, Vernadsky Institute of Geochemistry and Analytical Chemistry, Russian Academy of Sciences, Moscow. Mass: 321 g at the Committee on Meteorites. Information: Marina A. Ivanova, Committee on Meteorites, Ul. M. Ulyanovoi 3, korp. 1, Moscow 117313, Russia. Writeup from MB 83: Vyatka, location of main mass A 32 kg piece of a larger stone was purchased by S. Vassiliev in Prague. The meteorite was reportedly found in the Kirov region of Russia and is undoubtedly the missing main mass of Vyatka, an H4 chondrite (see Meteoritical Bulletin 77; Wlotzka, 1994). This material is widely distributed in collections outside of Russia under the name "Kaigorod," which will now become a synonym for Vyatka. Classification and description of "Kaigorod" (J. Otto, Frei): an H4/5 chondrite; olivine, Fa17.1; pyroxene, Fs15.5Wo0.9; shock stage, S3; weathering grade, W1. Comparison of Vyatka and "Kaigorod" (M. Ivanova and A. Skripnik, Vernad): texture, shock stage, mineral chemistry, and petrologic type all similar; Vyatka somewhat more weathered. Specimens: main mass, ~10 kg, Vass; 9.4 g, Frei. | ||||||||||||||||||||||||||||||||||||
| Institutions and collections |
Frei: Universität Freiburg, Mineralogisch-Petrographisches Institut, Albertstrasse 23b, D-79104 Freiburg, Germany (institutional address) Vernad: Vernadsky Institute of Geochemistry and Analytical Chemistry, Russia (institutional address; updated 21 Feb 2016) Vass: Serguei Vassiliev meteorites, P.O. Box 10, Prague 9, 19921, Czech Republic; Website (private address) |
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| References: | Published in Meteoritical Bulletin, no. 77, Meteoritics 29, 891-897 (1994) Published in Meteoritical Bulletin, no. 83, MAPS 34, A169-A186 (1999)
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Geography:
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Statistics: This is 1 of 3 approved meteorites from Kirovskaya oblast', Russia This is 1 of 158 approved meteorites from Russia (plus 5 unapproved names) (plus 19 impact craters) | ||||||||||||||||||||||||||||||||||||
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| Synonyms: |
Kaigorod (In NHM Cat) | ||||||||||||||||||||||||||||||||||||