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Northwest Africa 11438 | |||||||||||||||||||||||||||||
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Basic information | Name: Northwest Africa 11438 This is an OFFICIAL meteorite name. Abbreviation: NWA 11438 Observed fall: No Year found: 2007 Country: (Northwest Africa) Mass: 262 g | ||||||||||||||||||||||||||||
Classification history: |
This is 1 of 12727 approved meteorites (plus 11 unapproved names) classified as L6. [show all] Search for other: L chondrites, L chondrites (type 4-7), Ordinary chondrites, and Ordinary chondrites (type 4-7) | ||||||||||||||||||||||||||||
Comments: | Approved 11 Sep 2017 | ||||||||||||||||||||||||||||
Writeup |
Writeup from MB 106:
Northwest Africa 11438 (NWA 11438) (Northwest Africa) Purchased: 2007 June Classification: Ordinary chondrite (L6) History: Purchased from a Moroccan dealer at the meteorite fair in Ensisheim, France Physical characteristics: Single stone of dark brown color with remnants of fusion crust. Geochemistry: Mineral compositions and geochemistry: (K. Metzler, IfP) The mean olivine composition is Fa24.8±0.3 (24.4-25.1); n=13. The mean low-Ca pyroxene composition is Fs20.6±0.2 (20.1-20.9), Wo1.6±0.3 (1.2-2.2), n=13. Classification: L chondrite based on mineral chemistry. Petrologic type 6 based on the equilibrated state of olivine and pyroxene and the large grain size of secondary plagioclase (>50 µm). | ||||||||||||||||||||||||||||
Data from: MB106 Table 0 Line 0: |
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Institutions and collections |
IfP: Institut für Planetologie, Wilhelm-Klemm-Str. 10, 48149 Münster, Germany (institutional address; updated 23 Jan 2012) |
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Catalogs: |
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References: | Published in Gattacceca J., Bouvier A., Grossman J., Metzler K., and Uehara M. (2019) Meteoritical Bulletin, no. 106. Meteorit. Planet. Sci. 54 in press.
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Geography: |
Statistics: This is 1 of 9627 approved meteorites from (Northwest Africa) (plus 1865 unapproved names) | ||||||||||||||||||||||||||||
Also see: |
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Revision history: |
This lists important revisions made to data for this record.
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