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Adrar 013
Basic information Name: Adrar 013
     This is an OFFICIAL meteorite name.
Abbreviation: There is no official abbreviation for this meteorite.
Observed fall: No
Year found: 2023
Country: Algeria
Mass:help 3.15 kg
Classification
  history:
Recommended:  Lunar (melt breccia)    [explanation]

This is 1 of 28 approved meteorites classified as Lunar (melt breccia).   [show all]
Search for other: Lunar meteorites
Comments: Approved 14 Feb 2024
Writeuphelp
Writeup from MB 113:

Adrar 013        27°07’48.70’’N, 01°02’01.43’’E

Adrar, Algeria

Purchased: 2023

Classification: Lunar meteorite (melt breccia)

History: The meteorite was purchased from a meteorite dealer in Timokten, Algeria.

Physical characteristics: Several grayish-greenish fragments including a large 3 kg single stone.

Petrography: Melt breccia composed of grayish-greenish clasts set in abundant anorthite-rich melt rock matrix displaying pronounced flow and quench textures with small ancicular crystals nucleating on larger entrained mineral grains. Major phases are pigeonite, often zoned augite and less abundant olivine. Minor phases include ilmenite, chromite, and troilite.

Geochemistry: olivine: Fa24.0±0.1??(Fa23.9-24.2, FeO/MnO=84±8, n=7); pigeonite: Fs25.0±1.5Wo10.0±0.5??(Fs21.9-27.1Wo9.1-10.6, FeO/MnO=47±3, n=7); zoned Ca-pyroxene: Fs23.4±3.2Wo29.3±6.2??(Fs20.4-26.4Wo16.1-35.2, FeO/MnO=45±5, n=7); calcic plagioclase: An95.8±0.8??(An94.8-97.7, n=7)

Classification: Melt breccia (anorthositic norite/gabbro) based on Stoeffler et al. (1980).

Specimens: Marcin Cimala holds 750 g, Craig Zlimen holds 600 g, Mark Lyon holds a 600 g and a 980 g mass, and Paul Durzan holds 400 g.

Bibliography:
  • Stoeffler D., Knoell H.-D., Marvin U.B., Simonds C.H., and Warren, P.H. (1980) Recommended classification and nomenclature of lunar highland rocks - A committee report. In: Conference on the Lunar Highlands Crust, Houston, Tex., November 14-16, 1979, Proceedings. (A81-26201 10-91) New York and Oxford, Pergamon Press, 1980, p. 51-70. (link)
Data from:
  MB113
  Table 0
  Line 0:
State/Prov/County:Adrar
Place of purchase:Algeria
Date:P 2023
Latitude:27°07'48.70''N
Longitude:01°02'01.43''E
Mass (g):3150
Pieces:several
Class:Lunar (melt breccia)
Shock stage:high
Weathering grade:low
Fayalite (mol%):24.0
Ferrosilite (mol%):25.0; 23.4
Wollastonite (mol%):10.0; 29.3
Classifier:A. Greshake, MNB
Type spec mass (g):20.5
Type spec location:MNB
Main mass:Polandmet - Marcin Cimala
Comments:Submitted by Ansgar Greshake
Institutions
   and collections
MNB: Museum für Naturkunde, Invalidenstraße 43, D-10115 Berlin, Germany (institutional address; updated 24 Dec 2011)
Polandmet: targoniny 30 43445 Dziegielow Poland, Poland; Website (institutional address; updated 7 May 2021)
Catalogs:
References: Published in Meteoritical Bulletin, no. 113, in preparation (2024)
Find references in NASA ADS:
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Photos:
CreditPhotos
Photos uploaded by members of the Encyclopedia of Meteorites.
    (Caution, these are of unknown reliability)
Cute child   
Robert Smart   
Volker Heinrich   
Geography:

Algeria
Coordinates:
     Recommended::   (27° 7' 49"N, 1° 2' 1"E)

Statistics:
     This is 1 of 204 approved meteorites from Adrar, Algeria (plus 1 unapproved name)
     This is 1 of 1374 approved meteorites from Algeria (plus 31 unapproved names) (plus 4 impact craters)
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