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Northwest Africa 13785 | |||||||||||||||||||||||||||||||
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Basic information | Name: Northwest Africa 13785 This is an OFFICIAL meteorite name. Abbreviation: NWA 13785 Observed fall: No Year found: 2021 Country: (Northwest Africa) Mass: 35 g | ||||||||||||||||||||||||||||||
Classification history: |
This is 1 of 340 approved meteorites classified as Lunar (feldsp. breccia). [show all] Search for other: Lunar meteorites | ||||||||||||||||||||||||||||||
Comments: | Approved 28 Mar 2021 | ||||||||||||||||||||||||||||||
Writeup |
Writeup from MB 110:
Northwest Africa 13785 (NWA 13785) (Northwest Africa) Purchased: 2021 Classification: Lunar meteorite (feldspathic breccia) History: The meteorite was purchased by the main mass holder from a dealer in Erfoud, Morocco. Physical characteristics: Dark-grayish rock without fusion crust. Petrography: The meteorite displays a dark-grayish interior and is a polymict breccia predominantly composed of lithic and mineral clasts cemented by abundant shock melted and partly vesicular matrix. Lithic clasts are gabbroic and impact melts clasts up to 5 mm in size. Dominant minerals are pigeonite, augite, olivine, and calcic plagioclase. Minor phases are ilmenite and FeS. In the matrix flow textures are abundant. Geochemistry: pigeonite: Fs26.6±2.2Wo10.4±3.7 (Fs23.3-30.8Wo5.5-19.0, FeO/MnO=50±3, n=16); augite: Fs22.1±2.2Wo35.3±1.6 (Fs20.0-26.3Wo33.4-37.9, FeO/MnO=49±5, n=5); olivine: Fa36.3±0.2, (Fa36.0-36.6, FeO/MnO=93±8, n=12); plagioclase: An97.4±1.1 (An96.1-98.7, n=10) Classification: Lunar (feldsp. breccia) | ||||||||||||||||||||||||||||||
Data from: MB110 Table 0 Line 0: |
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Institutions and collections |
MNB: Museum für Naturkunde, Invalidenstraße 43, D-10115 Berlin, Germany (institutional address; updated 24 Dec 2011) |
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Catalogs: |
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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: |
Statistics: This is 1 of 9710 approved meteorites from (Northwest Africa) (plus 1853 unapproved names) | ||||||||||||||||||||||||||||||
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Revision history: |
This lists important revisions made to data for this record.
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