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Cheder | |||||||||||||
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Basic information | Name: Cheder This is an OFFICIAL meteorite name. Abbreviation: There is no official abbreviation for this meteorite. Observed fall: No Year found: 2003 Country: Russia Mass: 5.39 kg | ||||||||||||
Classification history: |
This is 1 of 27 approved meteorites classified as Iron, IID. [show all] Search for other: IID irons, Iron meteorites, and Metal-rich meteorites | ||||||||||||
Comments: | Revised 11 Jan 2007: Reclassified by Wasson and Huber (2006) | ||||||||||||
Writeup |
Writeup from MB 88:
Cheder Tuva, Russian Federation Found 2003 October 26 Iron IIIAB (medium octahedrite) A fresh iron piece weighing 5.39 kg was found during field work by Valery Popov, a geologist of the Institute of Complex Exploration of Natural Resources, Kyzyl, Tuva. The meteorite was recovered on a deflated surface of aeolian sands. It is 26x9x8 cm in size, and has a thin fusion crust and regmaglypts. Classification and mineralogy (L.V.Agafonov, L.N.Pospelova, Novosibirsk): Kamacite (5.5-6.8 wt% Ni) and taenite (22-38 wt% Ni) form the Widmanstätten pattern with 1-1.5 mm kamacite bands; schreibersite (22-48 wt% Ni) is present. INAA data (A.Lorenz, Vernad): Ni 72.4, Co 4.4 (mg/g), As 3.26, Ir 16.9, Au 0.50 (μg/g) indicate the IIIA group. Specimens: 200 g, Institute of Complex Exploration of Natural Resources, Kyzyl, Tuva; 100 g, Novosibirsk; main mass and type specimen, Vernad. Writeup from MB 90: In Meteoritical Bulletin No. 88, the meteorite Cheder is classified as an iron (IIIAB), but it is actually an iron (IID).
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Institutions and collections |
Vernad: Vernadsky Institute of Geochemistry and Analytical Chemistry, Russia (institutional address; updated 21 Feb 2016) Novosibirsk: Institute of Geology, Geophysics and Mineralogy, Russia (institutional address) |
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Catalogs: |
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References: | Published in Meteoritical Bulletin, no. 88, MAPS 39, A215-A272 (2004) Published in Meteoritical Bulletin, no. 90, MAPS 41, 1383-1418 (2006)
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Geography: |
Statistics: This is 1 of 2 approved meteorites from Respublika Tyva, Russia This is 1 of 156 approved meteorites from Russia (plus 5 unapproved names) (plus 19 impact craters) | ||||||||||||
Proximity search: | |||||||||||||
Also see: |
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Revision history: |
This lists important revisions made to data for this record.
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