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| Koltsovo | |||||||||||||||||||||||||||||||
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| Basic information | Name: Koltsovo This is an OFFICIAL meteorite name. Abbreviation: There is no official abbreviation for this meteorite. Observed fall: No Year found: 2004 Country: Russia Mass:  20.02 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 89:
Koltsovo Kaluga district, Russia Found 2004, July Ordinary chondrite (H4) One stone weighing 20.02 kg was found by Svetlana Murashova and Stanislav Murashov while collecting mushrooms 2 km SSW of the Koltsovo village. The stone occurred at the edge of a ploughed field and was probably removed there during agriculture works. No other meteorite fragments were found in the field by Dr. Andrei .Stanyukovich of Moscow. Classification and mineralogy (M.Nazarov, Vernad): chondrules of different types and their fragments are well defined; olivine, Fa20.0, PMD 2.7%; pyroxene shows variable composition, Fs5-24Wo0.2-7.2, the mean, Fs12.9Wo1.2; shock stage S1; weathering grade W1. Specimens: 2034 g and a thin section, Vernad; main mass with the finders. | ||||||||||||||||||||||||||||||
| Data from: MB89 Table 8 Line 4: |
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| Institutions and collections |
Vernad: Vernadsky Institute of Geochemistry and Analytical Chemistry, Russia (institutional address; updated 21 Feb 2016) |
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| Catalogs: |
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| References: | Published in Meteoritical Bulletin, no. 89, MAPS 40, A201-A263 (2005)
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Geography:
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Statistics: This is 1 of 3 approved meteorites from Kaluzhskaya oblast', Russia (plus 1 impact crater) This is 1 of 158 approved meteorites from Russia (plus 5 unapproved names) (plus 19 impact craters) | ||||||||||||||||||||||||||||||
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