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Lahmada 048
Basic information Name: Lahmada 048
     This is an OFFICIAL meteorite name.
Abbreviation: There is no official abbreviation for this meteorite.
Observed fall: No
Year found: 2020
Country: Western Sahara
Mass:help 59 g
Recommended:  Ureilite    [explanation]

This is 1 of 630 approved meteorites classified as Ureilite.   [show all]
Search for other: Achondrites, Ureilites
Comments: Approved 20 Mar 2021
Writeup from MB 110:

Lahmada 048        27°24’20.78"N, 9°51’13.07"W

Saguia el Hamra, Western Sahara

Find: 2020 Sep 23

Classification: Ureilite

History: The meteorite was found by Brahim Elguirah. The meteorite was bought by Jean Redelsperger from Zaid Oualguirah in 2020.

Physical characteristics: A single dark brown stone

Petrography: (J. Gattacceca, CEREGE) Aggregate of blocky olivine grains (grain size 800 µm) with reduced margins. Metal, originally present along olivine rims, is almost entirely replaced by terrestrial weathering products. Contains a significant amount of carbon material, likely diamonds in view of the extreme difficulty to saw the rock.

Geochemistry: Olivine Fa21.9±0.4, CaO 0.36±0.02 wt%, CrO3 0.65±0.02, FeO/MnO = 53.4±7.9 (n=4). Olivine rim Fa5.1 (n=1).

Classification: Ureilite

Specimens: Type specimen at CEREGE. Mais mass with Jean Redelsperger.

Data from:
  Table 0
  Line 0:
State/Prov/County:Saguia el Hamra
Place of purchase:Morocco
Date:2020 Sep 23
Mass (g):59
Weathering grade:high
Fayalite (mol%):21.9±0.4 (n=)
Magnetic suscept.:4.49
Classifier:J. Gattacceca, CEREGE
Type spec mass (g):12
Type spec location:CEREGE
Main mass:Jean Redelsperger
Finder:Brahim Elguirah
Comments:work name JR088; submitted by Jérôme Gattacceca
   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)
References: Published in Gattacceca J., McCubbin F.M., Grossman J., Bouvier A., Chabot N.L., D'Orazio M., Goodrich C., Greshake A., Gross J., Komatsu M., Miao B., and Schrader D. (2022) The Meteoritical Bulletin, No. 110. Meteorit. Planet. Sci. 1-4
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Western Sahara
     Recommended::   (27° 24' 21"N, 9° 51' 13"W)

     This is 1 of 106 approved meteorites from Saguia el Hamra, Western Sahara (plus 1 unapproved name)
     This is 1 of 265 approved meteorites from Western Sahara (plus 20 unapproved names)
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