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| Lahmada 048 | |||||||||||||||||||||||||||||||||||
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| 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:  59 g | ||||||||||||||||||||||||||||||||||
| Classification history: |
This is 1 of 630 approved meteorites classified as Ureilite. [show all] Search for other: Achondrites, Ureilites | ||||||||||||||||||||||||||||||||||
| Comments: | Approved 20 Mar 2021 | ||||||||||||||||||||||||||||||||||
| Writeup |
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: MB110 Table 0 Line 0: |
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| 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) |
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| 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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Geography:
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Statistics: 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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