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Northwest Africa 7159 | |||||||||||||||||||||||||||||
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Basic information | Name: Northwest Africa 7159 This is an OFFICIAL meteorite name. Abbreviation: NWA 7159 Observed fall: No Year found: 2011 Country: (Northwest Africa) Mass: ![]() | ||||||||||||||||||||||||||||
Classification history: |
This is 1 of 272 approved meteorites classified as Eucrite-mmict. [show all] Search for other: Achondrites, Eucrites, and HED achondrites | ||||||||||||||||||||||||||||
Comments: | Approved 1 May 2015 | ||||||||||||||||||||||||||||
Writeup![]() |
Writeup from MB 104:
Northwest Africa 7159 (NWA 7159) (Northwest Africa) Purchased: 2011 Classification: HED achondrite (Eucrite, monomict) History: Purchased by Marcin Cimała in 2011 from a dealer in Erfoud, Morocco. Petrography: (T. Bunch and J. Wittke, NAU; A. Irving and S. Kuehner, UWS) Brecciated cumulate eucrite consisting of exsolved pigeonite and anorthite with accessory silica polymorph, ilmenite and metal. Geochemistry: Orthopyroxene host (Fs56.6-57.1Wo2.0-1.9, FeO/MnO = 28-30, N = 3), clinopyroxene exsolution lamellae (Fs24.1-24.5Wo42.6-41.3, FeO/MnO = 30-31, N =3). Classification: Eucrite (cumulate, monomict breccia). Specimens: 20.1 g including one polished thin section at PSF; main mass with Mr. M. Cimała. | ||||||||||||||||||||||||||||
Data from: MB104 Table 0 Line 0: |
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Institutions and collections |
NAU: Geology, Bldg 12
Knoles Dr
Northern Arizona University, Flagstaff, AZ 86011, United States; Website (institutional address; updated 12 Apr 2012) PSF: Planetary Studies Foundation,10 Winterwood Lane, Unit B, Galena, Illinois 61036-9283, United States; Website (institutional address; updated 1 Dec 2011) UWS: University of Washington, Department of Earth and Space Sciences, 70 Johnson Hall, Seattle, WA 98195, United States (institutional address; updated 15 Jan 2012) |
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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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Photos: |
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Geography: |
Statistics: This is 1 of 8904 approved meteorites from (Northwest Africa) (plus 1871 unapproved names) |