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| Mdaouer | |||||||||||||||||||||||||||||||||||||
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| Basic information | Name: Mdaouer This is an OFFICIAL meteorite name. Abbreviation: There is no official abbreviation for this meteorite. Observed fall: No Year found: 2014 Country: Morocco Mass:  61 g | ||||||||||||||||||||||||||||||||||||
| Classification history: |
This is 1 of 22 approved meteorites classified as CO3.0. [show all] Search for other: Carbonaceous chondrites, Carbonaceous chondrites (type 3), CM-CO clan chondrites, and CO chondrites | ||||||||||||||||||||||||||||||||||||
| Comments: | Approved 28 Jun 2016 | ||||||||||||||||||||||||||||||||||||
| Writeup |
Writeup from MB 105:
Mdaouer 29°54.56’N, 6°55.31’W Guelmime-Es-Semara, Morocco Purchased: 2014 May 4 Classification: Carbonaceous chondrite (CO3.0) History: Found and purchased from the finder in the Foum Zguid region of Morocco, May 4, 2014. Physical characteristics: Many dark fragments, some with dull fusion crust. Petrography: Chondrules and chondrule fragments in an abundant fine-grained foliated Fe-rich matrix. Abundances (by point counting, N=236): matrix 62 vol%, chondrules and fragments 38 vol%. Average chondrule apparent size 130±90 μm (N=35). Sulfide/magnetite and sulfide/metal assemblages are found in the matrix and chondrules as 100 μm blebs and as abundant μm-sized grains in the matrix. Geochemistry: Olivine Fa17.3±19.2 (Fa0.4-61.8, PMD=112%, N=33). Cr2O3 in ferroan olivine is 0.40±0.15 wt% (N=28). Orthopyroxene Fs3.1±2.3Wo2.0±1.2 (N=10). Magnetic susceptibility log χ (× 10-9 m3/kg) = 4.32. Classification: CO3.0, sub-type from Cr2O3 content of ferroan olivine and olivine Fa range. Minor weathering. Specimens: 15.3 g at CEREGE. Main mass with P. Thomas. | ||||||||||||||||||||||||||||||||||||
| Data from: MB105 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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| Catalogs: |
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| References: | Published in Meteoritical Bulletin, no. 105, MAPS 52, 2411, September 2017. http://onlinelibrary.wiley.com/doi/10.1111/maps.12944/full
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Geography:
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Statistics: This is the only approved meteorite from Guelmime-Es-Semara, Morocco This is 1 of 1973 approved meteorites from Morocco (plus 37 unapproved names) (plus 1 impact crater) | ||||||||||||||||||||||||||||||||||||
| Proximity search: | |||||||||||||||||||||||||||||||||||||
| Synonyms: |
Mdaouer 001 (First meteorite in new DCA) | ||||||||||||||||||||||||||||||||||||