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Lahmada 046
Basic information Name: Lahmada 046
     This is an OFFICIAL meteorite name.
Abbreviation: There is no official abbreviation for this meteorite.
Observed fall: No
Year found: 2018
Country: Western Sahara
Mass:help 71.2 g
Classification
  history:
Recommended:  Lunar (feldsp. breccia)    [explanation]

This is 1 of 178 approved meteorites classified as Lunar (feldsp. breccia).   [show all]
Search for other: Lunar meteorites
Comments: Approved 8 Jul 2019
Writeuphelp
Writeup from MB 108:

Lahmada 046        27°24’N, 9°50’W

Saguia el Hamra, Western Sahara

Find: 2018 Oct 11

Classification: Lunar meteorite (feldspathic breccia)

History: Purchased from Hamza Lharbi in Morocco in March 2018.

Physical characteristics: Gray rock without fusion crust. Cut surface reveals black interior with mm-sized, whitish clasts.

Petrography: (J. Gattacceca, CEREGE) Sparse mineral clasts (anorthite, olivine, pyroxene) in a melt-rock matrix. Melt rock has numerous vesicles with typical sizes 50 µm. Troilite and rare metal are found in the melt rock.

Geochemistry: Anorthite An96.8Ab3.0Or0.2 (n=2). Augite Fs16.8±0.3Wo36.3±0.1, FeO/MnO = 59.0 (n=2). Olivine Fa33.4±1.5, FeO/MnO=72.3±7.2 (n=3)

Classification: Lunar (feldspathic melt breccia). Possibly paired with Lahmada 020.

Specimens: Type specimen at CEREGE. Main mass with Pierre-Marie Pelé.

Data from:
  MB108
  Table 0
  Line 0:
State/Prov/County:Saguia el Hamra
Place of purchase:Morocco
Date:2018 Oct 11
Latitude:27°24'N
Longitude:9°50'W
Mass (g):71.24
Pieces:1
Class:Lunar (feldsp. breccia)
Fayalite (mol%):33.4±1.5 (n=3)
Magnetic suscept.:2.30
Classifier:J. Gattacceca, CEREGE
Type spec mass (g):14.56
Type spec location:CEREGE
Main mass:Pierre-Marie Pelé
Comments:work name PM19L1; submitted by Jérôme Gattacceca
Institutions
   and collections
CEREGE: CEREGE BP 80 Avenue Philibert, Technopole de l'Arbois 13545 Aix-en-Provence Cedex 4 France, France (institutional address; updated 29 Oct 2018)
Catalogs:
References: Published in Meteoritical Bulletin, no. 108, in preparation (2019)
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Geography:

Western Sahara
Coordinates:
     Recommended::   (27° 24'N, 9° 50'W)

Statistics:
     This is 1 of 84 approved meteorites from Saguia el Hamra, Western Sahara (plus 1 unapproved name)
     This is 1 of 206 approved meteorites from Western Sahara (plus 20 unapproved names)
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