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Northwest Africa 8372 | |||||||||||||||||||||||||||||
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Basic information | Name: Northwest Africa 8372 This is an OFFICIAL meteorite name. Abbreviation: NWA 8372 Observed fall: No Year found: 2013 Country: (Northwest Africa) Mass: 230 g | ||||||||||||||||||||||||||||
Classification history: |
This is 1 of 616 approved meteorites (plus 1 unapproved name) classified as Eucrite. [show all] Search for other: Achondrites, Eucrites, and HED achondrites | ||||||||||||||||||||||||||||
Comments: | Approved 29 May 2014 | ||||||||||||||||||||||||||||
Writeup |
Writeup from MB 103:
Northwest Africa 8372 (NWA 8372) (Northwest Africa) Purchased: 2013 Classification: HED achondrite (Eucrite) Petrography: (A. Greshake, MNB): The meteorite shows an overall grayish interior with up to 2-cm sized, often more brownish colored, fragments. It is composed of various basaltic lithologies with different textures and grain sizes embedded in a fine-grained clastic matrix. Dominant mineral phases are low-Ca pyroxene, Ca-pyroxene, and calcic feldspar; pyroxenes are often exsolved. Minor phases include chromite and SiO2 polymorphs. Geochemistry: Low-Ca pyroxene: Fs41.6±9.6Wo5.3±1.2 (range Fs29.4-54.6Wo1.8-7.4, n=22), FeO/MnO=26-37; Ca-pyroxene: Fs36.2±6.5Wo37.9±1.9 (range Fs29.1-47Wo32.2-41.7, n=18), FeO/MnO=30-34; calcic plagioclase: An90.3±3.8 (range An81.3-93.7, n=20) | ||||||||||||||||||||||||||||
Data from: MB103 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 Meteoritical Bulletin, no. 103, MAPS 52, 1014, May 2017, http://onlinelibrary.wiley.com/doi/10.1111/maps.12888/full
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Geography: |
Statistics: This is 1 of 9914 approved meteorites from (Northwest Africa) (plus 1841 unapproved names) |