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Northwest Africa 8662 | |||||||||||||||||||||||||||||
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Basic information | Name: Northwest Africa 8662 This is an OFFICIAL meteorite name. Abbreviation: NWA 8662 Observed fall: No Year found: 2014 Country: (Northwest Africa) Mass: ![]() | ||||||||||||||||||||||||||||
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 18 Feb 2015 | ||||||||||||||||||||||||||||
Writeup![]() |
Writeup from MB 104:
Northwest Africa 8662 (NWA 8662) (Northwest Africa) Purchased: Oct 2014 Classification: HED achondrite (Eucrite) Petrography: (P. Warren, UCLA) This eucrite shows a mildly brecciated version of typical medium-subophitic eucrite texture, including thoroughly exsolved pyroxenes. Minor Fe-metal. Geochemistry: Low-Ca pyroxene En36.1±0.8Wo2.2±0.3, FeO/MnO wt ratio 30.1±1.2, n=8; high-Ca pyroxene En29.5±0.4Wo43.3±0.5, n=7; plagioclase An84.8±4.6, n=21. Classification: Eucrite (monomict breccia). | ||||||||||||||||||||||||||||
Data from: MB104 Table 0 Line 0: |
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Institutions and collections |
UCLA: Institute of Geophysics and Planetary Physics, University of California, Los Angeles, CA 90095-1567, United States (institutional address; updated 17 Oct 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: |
Statistics: This is 1 of 8890 approved meteorites from (Northwest Africa) (plus 1871 unapproved names) |