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Ouargla 006
Basic information Name: Ouargla 006
     This is an OFFICIAL meteorite name.
Abbreviation: There is no official abbreviation for this meteorite.
Observed fall: No
Year found: 2022
Country: Algeria
Mass:help 18 g
Classification
  history:
Meteoritical Bulletin:  MB 111  (2023)  CM2
Recommended:  CM2    [explanation]

This is 1 of 636 approved meteorites classified as CM2.   [show all]
Search for other: Carbonaceous chondrites, Carbonaceous chondrites (type 2), CM chondrites, and CM-CO clan chondrites
Comments: Approved 4 Dec 2022
Writeuphelp
Writeup from MB 111:

Ouargla 006        31°32.647’N, 5°3.251’E

Ouargla, Algeria

Purchased: 2022

Classification: Carbonaceous chondrite (CM2)

History: The meteorite was found in the dense collection area Ouargla, central Algeria and subsequently purchased by the main mass holder.

Physical characteristics: Black rock partly covered with fusion crust.

Petrography: Carbonaceous chondrite composed of small (apparent mean diameter about 250 µm) chondrules, chondrule pseudomorphs, mineral fragments, and sparse CAIs, most of which surrounded by fine-grained dust rims set into abundant fine-grained matrix. The Fe-rich matrix contains abundant sulfides and Ca-carbonates.

Geochemistry: Matrix analyses yield FeO=30.3±5.4 wt% and an average total of 79.7±3.0 wt% (5 µm defocused beam, N=10), the latter indicating the presence of hydrous minerals.

Data from:
  MB111
  Table 0
  Line 0:
State/Prov/County:Ouargla
Date:P 2022
Latitude:31°32.647'N
Longitude:5°3.251'E
Mass (g):18
Pieces:1
Class:CM2
Shock stage:S1
Weathering grade:low
Fayalite (mol%):16.8±17.4 (0.3-41.1, n=18)
Ferrosilite (mol%):2.2±0.5 (1.1-2.6, n=11)
Wollastonite (mol%):0.7±0.1 (0.6-0.9, n=11)
Classifier:A. Greshake, MNB
Type spec mass (g):3.6
Type spec location:MNB
Main mass:Mateusz Szyszko
Comments:Submitted by Ansgar Greshake
Institutions
   and collections
MNB: Museum für Naturkunde, Invalidenstraße 43, D-10115 Berlin, Germany (institutional address; updated 24 Dec 2011)
Catalogs:
References: Published in Gattacceca J., McCubbin F. M., Grossman J. N., Schrader D. L., Chabot N. L., D’Orazio M., Goodrich C., Greshake A., Gross J., Joy K. H., Komatsu M. and Miao B. (2023) The Meteoritical Bulletin, No. 111. Meteoritics & Planetary Science 58, 901–904. ?
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Geography:

Algeria
Coordinates:
     Recommended::   (31° 32' 39"N, 5° 3' 15"E)

Statistics:
     This is 1 of 49 approved meteorites from Ouargla, Algeria (plus 1 unapproved name)
     This is 1 of 1356 approved meteorites from Algeria (plus 30 unapproved names) (plus 4 impact craters)
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Revision
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