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Dayr al Aswad 002
Basic information Name: Dayr al Aswad 002
     This is an OFFICIAL meteorite name.
Abbreviation: There is no official abbreviation for this meteorite.
Observed fall: No
Year found: 2021
Country: Egypt
Mass:help 24 kg
Classification
  history:
Meteoritical Bulletin:  MB 111  (2023)  L6
Recommended:  L6    [explanation]

This is 1 of 12780 approved meteorites (plus 11 unapproved names) classified as L6.   [show all]
Search for other: L chondrites, L chondrites (type 4-7), Ordinary chondrites, and Ordinary chondrites (type 4-7)
Comments: Approved 29 Jan 2022
Writeuphelp
Writeup from MB 111:

Dayr al Aswad 002        30°43’36.23’’N, 28°05’25.59’’E

Marsa Matruh, Egypt

Find: 2021

Classification: Ordinary chondrite (L6)

History: The meteorite was found by Mr. Amr Khaled in 2020 and 2021 during several field trips to the northwestern Egyptian desert.

Physical characteristics: Many dark brownish fragments mostly devoid of fusion crust.

Petrography: Chondritic meteorite dominated by recrystallized matrix with few poorly defined chondrules. The plagioclase grain size is about 70 µm. Contains shock melt veins and pockets.

Data from:
  MB111
  Table 0
  Line 0:
State/Prov/County:Marsa Matruh
Date:2021
Latitude:30°43'36.23''N
Longitude:28°05'25.59''E
Mass (g):24000
Pieces:many
Class:L6
Shock stage:S2
Weathering grade:W3
Fayalite (mol%):23.7±0.2 (n=5)
Ferrosilite (mol%):20.3±0.2 (n=5)
Wollastonite (mol%):1.5±0.2 (n=5)
Classifier:A. Greshake, MNB
Type spec mass (g):20
Type spec location:MNB
Main mass:Amr Khaled
Finder:Amr Khaled
Comments:L6; 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:

Egypt
Coordinates:
     Recommended::   (30° 43' 36"N, 28° 5' 26"E)

Statistics:
     This is 1 of 13 approved meteorites from Marsa Matruh, Egypt
     This is 1 of 129 approved meteorites from Egypt (plus 2 unapproved names) (plus 1 impact crater)
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