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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
Recommended:  H3-5    [explanation]

This is 1 of 82 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
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:
  Table 0
  Line 0:
State/Prov/County:Stavropol'skiy kray
Origin or pseudonym:Blagodarnensky region
Mass (g):6240
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.
   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 Meteoritical Bulletin, no. 110, in preparation (2021)
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     Recommended::   (44° 59' 14"N, 43° 36' 14"E)

     This is 1 of 5 approved meteorites from Stavropol'skiy kray, Russia
     This is 1 of 151 approved meteorites from Russia (plus 5 unapproved names) (plus 19 impact craters)
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