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Northwest Africa 10909 | |||||||||||||||||||||||||||||||
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Basic information | Name: Northwest Africa 10909 This is an OFFICIAL meteorite name. Abbreviation: NWA 10909 Observed fall: No Year found: 2015 Country: Western Sahara Mass: 924 g | ||||||||||||||||||||||||||||||
Classification history: |
This is 1 of 279 approved meteorites classified as Eucrite-mmict. [show all] Search for other: Achondrites, Eucrites, and HED achondrites | ||||||||||||||||||||||||||||||
Comments: | Approved 26 Nov 2016 | ||||||||||||||||||||||||||||||
Writeup |
Writeup from MB 105:
Northwest Africa 10909 (NWA 10909) Morocco, Western Sahara Find: 2015 Aug Classification: HED achondrite (Eucrite, monomict) History: Six complete stones covered with dark fusion crust were found in the desert by a nomad. The stones (originally 201.3, 110.9, 121.7, 127.1, 100.3, and 152 g) were sent to MCM for study. After the first studies, several grams were sent to UPC, where analysis was performed by Dr. J. Llorca in October 2015. Petrography: The meteorite displays a basaltic texture with up to 1.5 mm sized exsolved pyroxenes and equally sized lath-shaped calcic plagioclase. Minor phases include chromite, SiO2 polymorphs, ilmenite and metallic iron. Geochemistry: (J.Llorca, UPC) Orthopyroxene; Fs57.4±0.9, Wo2.2±1.4, FeO/MnO = 32±1, n=19. Plagioclase; An87.1±2.6, n=21. Classification: Monomict eucrite. Specimens: The remaining masses are in the private collection of Javier Franco, Las Palmas de Gran Canaria, Spain, and 90.9 g at MCM. Repository sample: 20 g UPC. | ||||||||||||||||||||||||||||||
Data from: MB105 Table 0 Line 0: |
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Institutions and collections |
UPC: Institut de Tècniques Energètiques, Universitat Politècnica de Catalunya
Diagonal 647, ed. ETSEIB, 08028 Barcelona, Spain, Spain (institutional address; updated 3 May 2015) MCM: Museo Canario de Meteoritos Las Palmas de Gran Canaria, Spain (institutional address; updated 26 Nov 2016) |
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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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Photos: |
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Geography: |
Statistics: This is the only approved meteorite from Morocco, Western Sahara This is 1 of 280 approved meteorites from Western Sahara (plus 20 unapproved names) | ||||||||||||||||||||||||||||||
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Revision history: |
This lists important revisions made to data for this record.
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