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El Eglab 001
Basic information Name: El Eglab 001
     This is an OFFICIAL meteorite name.
Abbreviation: EE 001
Observed fall: No
Year found: 2023
Country: Algeria
Mass:help 32.71 kg
Meteoritical Bulletin:  MB 112  (2023)  Mesosiderite
Recommended:  Mesosiderite    [explanation]

This is 1 of 276 approved meteorites classified as Mesosiderite.   [show all]
Search for other: Mesosiderites, Metal-rich meteorites
Comments: Approved 30 Jul 2023
Writeup from MB 112:

El Eglab 001 (EE 001)        26.247°N , 5.131°W

Tindouf, Algeria

Purchased: 2023 Jan

Classification: Mesosiderite

History: Purchased by a consortium of collectors (including Brian Caress, Robert Ward and Craig Zlimen) in January 2023 from an Algerian dealer.

Petrography: (A. Irving, UWS, and J. Boesenberg, BrownU) Breccia containing relatively large mineral fragments (up to 5 mm) of olivine, orthopyroxene and metal (~60 vol.%, both kamacite with taenite) plus some mafic lithic clasts with intergranular or microgabbroic textures. Minerals in lithic clasts and elsewhere in the matrix of the specimen include pigeonite, anorthite, silica polymorph, chromite, ilmenite, merrillite and troilite.

Geochemistry: Orthopyroxene (Fs19.0-33.9Wo0.1-4.6, FeO/MnO = 19-30, N = 16), pigeonite (Fs27.0-35.7Wo5.7-8.5, FeO/MnO = 21-27, N = 4), olivine (Fa19.1-19.4, FeO/MnO = 41-43, N = 3), diopside (Fs1.3Wo47.7, FeO/MnO = 17), anorthite (An90.9-93.7Or0.1-0.4, N = 5).

Classification: Mesosiderite.

Specimens: 100.3 g including one polished slice at UWB; remainder held jointly by Mr. B. Caress, Mr. R. Ward and Mr. C. Zlimen.

Data from:
  Table 0
  Line 0:
Place of purchase:Algeria
Date:P 2023 Jan
Mass (g):32709
Shock stage:low
Weathering grade:low
Fayalite (mol%):19.1-19.4
Ferrosilite (mol%):19.0-33.9;27.0-35.7; 1.3
Wollastonite (mol%):0.1-4.6; 5.7-8.5; 47.7
Classifier:A. Irving, UWS, and J. Boesenberg, BrownU
Type spec mass (g):100.3
Type spec location:UWB
Main mass:B. Caress/R. Ward/C. Zlimen
Comments:Work names CZ23 and ZLI 097; submitted by A. Irving
   and collections
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)
BrownU: Joseph Boesenberg Brown University Dept of Earth, Environmental and Planetary Sciences (DEEPS) 324 Brook Street Providence, RI 02912 , United States (institutional address; updated 4 Jan 2024)
References: Published in Meteoritical Bulletin, no. 112, in preparation (2023)
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     Recommended::   (26° 14' 49"N, 5° 7' 52"W)

     This is 1 of 61 approved meteorites from Tindouf, Algeria (plus 1 impact crater)
     This is 1 of 1362 approved meteorites from Algeria (plus 31 unapproved names) (plus 4 impact craters)
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