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Northwest Africa 8704 | |||||||||||||||||||||||||||||
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Basic information | Name: Northwest Africa 8704 This is an OFFICIAL meteorite name. Abbreviation: NWA 8704 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 28 Dec 2014 | ||||||||||||||||||||||||||||
Writeup![]() |
Writeup from MB 103:
Northwest Africa 8704 (NWA 8704) (Northwest Africa) Purchased: 2014 Oct Classification: HED achondrite (Eucrite) History: Purchased in Morocco by Stefan Ralew in October 2014. Physical characteristics: Single stone (503 g) lacking fusion crust with a mottled light gray and black appearance. Petrography: (A. Irving and S. Kuehner, UWS) Very fine grained (grainsize < 0.3 mm) with granuloblastic texture. Minerals are unexsolved orthopyroxene, clinopyroxene, calcic plagioclase, ilmenite, Ti-chromite and troilite. Geochemistry: Orthopyroxene (Fs59.6-61.0Wo1.7-2.3, FeO/MnO = 33-35, N = 3), clinopyroxene (Fs25.1-26.1Wo43.6-43.1, FeO/MnO = 31-35, N = 3). Classification: Eucrite (granoblastic). Specimens: 20.2 g in the form of one polished endcut at UWB; main mass with Ralew. | ||||||||||||||||||||||||||||
Data from: MB103 Table 0 Line 0: |
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Institutions and collections |
UWS: University of Washington, Department of Earth and Space Sciences, 70 Johnson Hall, Seattle, WA 98195, United States (institutional address; updated 15 Jan 2012) UWB: University of Washington, Box 353010 Seattle, WA 98195, United States (institutional address; updated 27 Jul 2012) Ralew: Stefan Ralew, Kunibertstraße 29, 12524 Berlin, Germany; Website (private address) |
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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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Photos: |
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Geography: |
Statistics: This is 1 of 8904 approved meteorites from (Northwest Africa) (plus 1871 unapproved names) |