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Oued Awlitis 002
Basic information Name: Oued Awlitis 002
     This is an OFFICIAL meteorite name.
Abbreviation: OA 002
Observed fall: No
Year found: 2014
Country: Western Sahara
Mass:help 2.49 kg
Meteoritical Bulletin:  MB 104  (2015)  CV3
Recommended:  CV3    [explanation]

This is 1 of 624 approved meteorites (plus 1 unapproved name) classified as CV3.   [show all]
Search for other: Carbonaceous chondrites, Carbonaceous chondrites (type 3), CV chondrites, and CV-CK clan chondrites
Comments: Approved 14 May 2015
Writeup from MB 104:

Oued Awlitis 002 (OA 002)        25.966°N, 12.539°W

Morocco/Western Sahara

Find: 2014 May

Classification: Carbonaceous chondrite (CV3)

History: (H. Chennaoui-Aoudjehane, FSAC) A group of four identical stones (432 g, 199 g, 1230 g, 628 g) were found by Mr. Addi Smara in May 2014. The 432 g stone was purchased by John Higgins in May 2014 from a dealer in Laayoune, and detailed study of it forms the basis of this classification.

Physical characteristics: The stones are all dark brown with lighter inclusions visible through the desert patina. The cut interior of the 432 g stone exhibits beige to brown chondrules and sparse CAI (some pinkish in color with pale rims).

Petrography: (A. Irving and S. Kuehner, UWS) Composed of separated, predominantly granular chondrules (1.5±0.9 mm, some rimmed) within a brown stained matrix. Minerals are olivine, orthopyroxene and clinopyroxene with accessory troilite, taenite and chlorapatite. One irregularly shaped, very fine-grained CAI is present within the prepared thin section. A very unusual "basaltic" clast was also observed, and is composed of laths of intermediate K-bearing plagioclase, aluminous clinopyroxene, olivine and chromian pleonaste spinel.

Geochemistry: Olivine (Fa1.1-36.7, N = 4), orthopyroxene (Fs3.1-4.8Wo1.0-0.2, N = 3), clinopyroxene (Fs1.8Wo47.2; Fs5.8Wo39.1).

Classification: Carbonaceous chondrite (CV3).

Specimens: 20.1 g including one polished thin section at UWB. 284 g at AMNH; remaining material of the 432 g stone with Mr. J. Higgins; the holders of the other stones are anonymous.

Data from:
  Table 0
  Line 0:
State/Prov/County:Rio de Oro
Origin or pseudonym:Oued Awlitis
Place of purchase:Laayoune
Date:2014 May
Mass (g):2489
Shock stage:S2
Weathering grade:W1/2
Fayalite (mol%):1.1-36.7
Ferrosilite (mol%):3.1-4.8
Wollastonite (mol%):1.0-0.2
Magnetic suscept.:4.16
Classifier:A. Irving and S. Kuehner, UWS
Type spec mass (g):20.1
Type spec location:UWB
Main mass:AMNH; J. Higgins; anonymous
Finder:Addi Smara
Comments:The presence of apatite in this material is an anomalous feature for CV3 and other carbonaceous chondrites.; submitted by A. Irving
   and collections
AMNH: Department of Earth and Planetary Sciences, American Museum of Natural History, Central Park West, New York, NY 10024, United States (institutional address; updated 18 May 2013)
FSAC: Universite Hassan II Casablanca, Faculte des Sciences Ain Chock, Departement de Géologie, BP 5366 Maârif, Casablanca, Morocco (institutional address; updated 9 Jan 2013)
UWS: University of Washington, Department of Earth and Space Sciences, 70 Johnson Hall, Seattle, WA 98195, United States (institutional address; updated 15 Jan 2012)
UWB: University of Washington, Burke Museum of Natural History and Culture, Box 353010 Seattle, WA 98195, United States (institutional address; updated 9 Oct 2023)
References: Published in Meteoritical Bulletin, no. 104, MAPS 52, 2284, Octover 2017, http://onlinelibrary.wiley.com/doi/10.1111/maps.12930/full
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Western Sahara
     Recommended::   (25° 57' 58"N, 12° 32' 20"W)

     This is 1 of 50 approved meteorites from Rio de Oro, Western Sahara
     This is 1 of 272 approved meteorites from Western Sahara (plus 20 unapproved names)
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