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| Northwest Africa 10452 | |||||||||||||||||||||||||||||||
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| Basic information | Name: Northwest Africa 10452 This is an OFFICIAL meteorite name. Abbreviation: NWA 10452 Observed fall: No Year found: 2014 Country: Morocco Mass:  12.5 g | ||||||||||||||||||||||||||||||
| Classification history: |
This is 1 of 569 approved meteorites (plus 1 unapproved name) classified as Eucrite. [show all] Search for other: Achondrites, Eucrites, and HED achondrites | ||||||||||||||||||||||||||||||
| Comments: | Approved 31 Dec 2015 | ||||||||||||||||||||||||||||||
| Writeup |
Writeup from MB 104:
Northwest Africa 10452 (NWA 10452) Morocco Purchased: 2014 May 26 Classification: HED achondrite (Eucrite) History: The history of the meteorite is unknown, except that it was purchased by L. A. Taylor from Abdellah Alfiniss. Physical characteristics: The small stone is dark and covered by fusion crust. Petrography: The meteorite consists of 37% low-Ca pyroxene, 15% high-Ca pyroene, 44% plagioclase, 3% silica, and less than 1% minor minerals (troilite, ilmenite, chromite, and apatite. The rock has a subophitic, non-brecciated texture, but is highly fractured. Grain sizes extend up to 2 mm. Geochemistry: Pigeonite Fs59±2Wo3±1 (n=20), Augite Fs11±1Wo30±2 (n=13). Plagioclase is An82±3 (n=18). Classification: The meteorite is an unusual basaltic eucrite, with higher high-Ca pyroxene than in other meteorites of this class. Specimens: 4.0 g at SI | ||||||||||||||||||||||||||||||
| Data from: MB104 Table 0 Line 0: |
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| Institutions and collections |
SI: Department of Mineral Sciences, NHB-119, National Museum of Natural History, Smithsonian Institution, Washington, DC 20560, United States; Website (institutional address; updated 16 Jan 2012) UTenn: Planetary Geosciences Institute, Department of Earth and Planetary Sciences, University of Tennessee, 1412 Circle Drive, Knoxville, TN 37996-1410, United States (institutional address; updated 1 Nov 2011) |
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| Catalogs: |
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| References: | Published in Meteoritical Bulletin, no. 104, MAPS 52, 2284, Octover 2017, http://onlinelibrary.wiley.com/doi/10.1111/maps.12930/full
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Geography:
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Statistics: This is 1 of 1932 approved meteorites from Morocco (plus 27 unapproved names) (plus 1 impact crater) | ||||||||||||||||||||||||||||||