43.9g Eucrite Polymict | NWA 11341 Meteorite | Collector's Specimen
| Northwest Africa 11341 | |||||||||||||||||||||||||||||
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| Basic information |
Name: Northwest Africa 11341 This is an OFFICIAL meteorite name. Abbreviation: NWA 11341 Observed fall: No Year found: 2016 Country: (Northwest Africa) Mass:  240 g |
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| Classification history: |
This is 1 of 291 approved meteorites classified as Eucrite-pmict. [show all] Search for other: Achondrites, Eucrites, and HED achondrites |
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| Comments: | Approved 28 Jun 2017 | ||||||||||||||||||||||||||||
| Writeup |
Writeup from MB 106:
Northwest Africa 11341 (NWA 11341) (Northwest Africa) Purchased: 2016 Classification: HED achondrite (Eucrite, polymict) History: Purchased by Dustin Dickens in Morocco, January 2016. Physical characteristics: Seven identical appearing stones with weathered exteriors. Saw cuts show a breccia with black shock melt domains, a few vesicles were observed. Petrography: (C. Agee, UNM) Microprobe examination of a polished mount shows fragmental breccia of basaltic clasts, feldspars clasts, pyroxene clasts, and vesicular shock melt pockets. Accessory silica, ilmenite and chromite are present. Geochemistry: (C. Agee and B. Ha, UNM) Diogenitic pyroxene Fs22.6Wo2.1, Fe/Mn=31, n=1; cumulate eucritic pyroxene Fs35.1±2.9Wo5.3±2.6, Fe/Mn=29±2, n=4; basaltic eucritic pyroxene Fs50.2±4.5Wo8.3±4.3, Fe/Mn=30±1, n=7; basaltic sub-calcic augite Fs37.8Wo23.5, Fe/Mn=29, n=1; plagioclase An92±1.9, n=9. Classification: Polymict eucrite based on the volume percent lithologies: ~62% basaltic eucrite, 31% cumulate eucrite, and ~8% diogenite. Specimens: 20.0 g including a probe mount on deposit at UNM, Dustin Dickens holds the main mass. |
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| Data from: MB106 Table 0 Line 0: |
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| Institutions and collections |
UNM: Institute of Meteoritics MSC03 2050 University of New Mexico Albuquerque NM 87131-1126 USA, United States; Website (institutional address; updated 12 Feb 2015) | ||||||||||||||||||||||||||||
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