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Burlatskoe
Basic information Name: Burlatskoe
     This is an OFFICIAL meteorite name.
Abbreviation: There is no official abbreviation for this meteorite.
Observed fall: No
Year found: 1995
Country: Russia
Mass:help 6.24 kg
Classification
  history:
Meteoritical Bulletin:  MB 110  (2022)  H3-5
Recommended:  H3-5    [explanation]

This is 1 of 86 approved meteorites classified as H3-5.   [show all]
Search for other: H chondrites, H chondrites (type 3), Ordinary chondrites, and Ordinary chondrites (type 3)
Comments: Approved 21 Jun 2021
Writeuphelp
Writeup from MB 110:

Burlatskoe        44°59.24’N, 43°36.24’E

Stavropol’skiy kray, Russia

Find: 1995

Classification: Ordinary chondrite (H3-5)

History: The meteorite was found by Ivan Ivanovich Poljulja in his vegetable garden during cultivation in 1995. The meteorite was excavated from a shallow depth.

Physical characteristics: A single brown stone of 6.24 kg of total weight with polyhedral shape. The stone is partly covered by weathered fusion crust.

Petrography: The meteorite is composed of poorly definite angular clasts of 0.5-1.5 cm in size surrounded by fragmented material. The clasts have a brecciated texture and consist of chondrules, chondrule fragments and mineral grains in a fine-grained clastic matrix. Average chondrule apparent diameter 400 µm. The main minerals are olivine and pyroxene. Other minerals: feldspathic glass, feldspar, metal FeNi, troilite. Accessory minerals: merrillite, chromite. Veinlets of Fe hydroxides are widely developed along grain boundaries.

Geochemistry: Mineral compositions and geochemisty: (C. A. Lorenz, Vernad; T. V. Kryachko, Technograd, Moscow, Russia): both the clasts and surrounding material are composed a mixture of two compositionally different types of chondrules and mineral grains: 1) dominant equilibrated material: olivine Fa17.9±0.4 (N=32); pyroxene is Fs15.9±0.3Wo1.5±0.2 (N=25); 2) minor unequilibrated chondrules and mineral grains: olivine Fa17.9±10.6 (N=61), Fa PMD 49.3%; pyroxene Fs9.1±7.3Wo1.0±0.9 (N=20).

Classification: Ordinary chondrite breccia composed of dominant H5 material and minor H3 material (H3-5), moderately weathered (W2).

Specimens: Type specimen (three samples of 1097 g, 19.6 g, 3.0 g) and thin polished section are on deposit at Vernad. The main mass is in DMUH.

Data from:
  MB110
  Table 0
  Line 0:
State/Prov/County:Stavropol'skiy kray
Origin or pseudonym:Blagodarnensky region
Date:1995
Latitude:44°59.24'N
Longitude:43°36.24'E
Mass (g):6240
Pieces:1
Class:H3-5
Shock stage:S1
Weathering grade:W2
Fayalite (mol%):17.9±0.4 (N=32)
Ferrosilite (mol%):15.9±0.3 (N=25)
Wollastonite (mol%):1.5±0.2
Classifier:Lorenz C. A., Vernad
Type spec mass (g):1119
Type spec location:Vernad
Main mass:DMUH
Finder:Mr. I. I. Poljulja
Comments:Submitted by C. A. Lorenz, Vernad.
Institutions
   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)
Catalogs:
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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Geography:

Russia
Coordinates:
     Recommended::   (44° 59' 14"N, 43° 36' 14"E)

Statistics:
     This is 1 of 5 approved meteorites from Stavropol'skiy kray, Russia
     This is 1 of 156 approved meteorites from Russia (plus 5 unapproved names) (plus 19 impact craters)
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