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Basic information Name: Kayrankol
     This is an OFFICIAL meteorite name.
Abbreviation: There is no official abbreviation for this meteorite.
Observed fall: No
Year found: 2019
Country: Kazakhstan
Mass:help 542 g
Recommended:  H5    [explanation]

This is 1 of 11372 approved meteorites (plus 22 unapproved names) classified as H5.   [show all]
Search for other: H chondrites, H chondrites (type 4-7), Ordinary chondrites, and Ordinary chondrites (type 4-7)
Comments: Approved 15 Dec 2021
Writeup from MB 110:

Kayrankol        54°1.84’N, 66°14.53’E

North Kazakhstan, Kazakhstan

Find: 2019 May 1

Classification: Ordinary chondrite (H5)

History: the meteorite was found by Mr. Ruslan Karimov on plown field, 5 km west of Kayrankol.

Physical characteristics: single stone with faceted shape and dark-brown surface with regmaglypts on one side. Total weight 542 g.

Petrography: The meteorite is composed of chondrules, chondrule fragments, and mineral fragments set in a recrystallized matrix. The chondrules of BO, RP, PO, POP, PP and CC types are 440±220 µm in size and are well delineated. Olivine has weak undulatory extinction. Glass is absent. Terrestrial Fe,Ni hydroxides are abundant at the grain boundaries and fill numerous fractures.

Geochemistry: Mineral composition and geochemistry: Olivine Fa18.2±0.2 (N=12); Pyroxene Fs16.0±0.2Wo1.2±0.6 (N=11).

Classification: Based on texture and mineral composition the meteorite is classified as H5 ordinary chondrite (S2; W3)

Specimens: Two cut pieces of 90.4 and 17.6 g, and thin polished section are on deposit at Vernad. DMUH holds the main mass.

Data from:
  Table 0
  Line 0:
State/Prov/County:North Kazakhstan
Origin or pseudonym:Tymiryazevsky rayon
Date:2019 May 1
Mass (g):542
Shock stage:S2
Weathering grade:W3
Fayalite (mol%):18.2±0.2 (N=12)
Ferrosilite (mol%):16.0±0.2 (N=11)
Wollastonite (mol%):1.2±0.6 (N=11)
Classifier:C. A. Lorenz, Vernad
Type spec mass (g):108
Type spec location:Vernad
Main mass:DMUH
Comments:Submitted by C. A. Lorenz, Vernad
   and collections
Vernad: Vernadsky Institute of Geochemistry and Analytical Chemistry, Russia (institutional address; updated 21 Feb 2016)
DMUH: Dedovsk Museum of Universe History, Russia; Website (institutional address; updated 26 Sep 2011)
References: Published in Gattacceca J., McCubbin F.M., Grossman J., Bouvier A., Chabot N.L., D'Orazio M., Goodrich C., Greshake A., Gross J., Komatsu M., Miao B., and Schrader D. (2022) The Meteoritical Bulletin, No. 110. Meteorit. Planet. Sci. 1-4
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     Recommended::   (54° 1' 50"N, 66° 14' 32"E)

     This is the only approved meteorite from North Kazakhstan, Kazakhstan
     This is 1 of 24 approved meteorites from Kazakhstan (plus 4 impact craters)
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