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| Northwest Africa 1646 | |||||||||||||||||
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| Basic information | Name: Northwest Africa 1646 This is an OFFICIAL meteorite name. Abbreviation: NWA 1646 Observed fall: No Year found: 2002 Country: (Northwest Africa) Mass:  259 g | ||||||||||||||||
| Classification history: |
This is 1 of 55 approved meteorites classified as Eucrite-cm. [show all] Search for other: Achondrites, Eucrites, and HED achondrites | ||||||||||||||||
| Writeup |
Writeup from MB 87:
Northwest Africa 1646 Morocco Purchased 2002 October Achondrite (eucrite, cumulate) A complete fusion-crusted stone (259 g) was purchased from a Moroccan dealer by A. and G. Hupé (xHupé). Classification and mineralogy (A. Irving and S. Kuehner, UWS): Fine-grained with clasts of anorthite, exsolved pigeonite, chromite, ilmenite, metal, troilite and silica in a complex matrix which has the texture of a eutectoid melt of plagioclase + pyroxene. FeO/MnO is 32.8 for orthopyroxene and 34.8 for clinopyroxene. Veinlets of glass probably are quenched impact melt. Specimens: type specimen, 20 g, and one polished thin section, UWS; main mass, xHupé. | ||||||||||||||||
| Data from: MB87 Table 8 Line 210: |
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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) xHupé: (old address—now see GHupé or AHupé) G. and A. Hupe, 2616 Lake Youngs Court SE, Renton, WA 98058., United States (private address) |
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| Catalogs: |
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| References: | Published in Meteoritical Bulletin, no. 87, MAPS 38, A189-A248 (2003)
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| Photos: |
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| Geography: |
Statistics: This is 1 of 9116 approved meteorites from (Northwest Africa) (plus 1873 unapproved names) | ||||||||||||||||