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Northwest Africa 11507 | |||||||||||||||||||||||||||||||
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Basic information | Name: Northwest Africa 11507 This is an OFFICIAL meteorite name. Abbreviation: NWA 11507 Observed fall: No Year found: 2017 Country: (Northwest Africa) Mass: ![]() | ||||||||||||||||||||||||||||||
Classification history: |
This is 1 of 2000 approved meteorites (plus 4 unapproved names) classified as L4. [show all] Search for other: L chondrites, L chondrites (type 4-7), Ordinary chondrites, and Ordinary chondrites (type 4-7) | ||||||||||||||||||||||||||||||
Comments: | Approved 3 Nov 2017 | ||||||||||||||||||||||||||||||
Writeup![]() |
Writeup from MB 106:
Northwest Africa 11507 (NWA 11507) (Northwest Africa) Purchased: 2017 Jul Classification: Ordinary chondrite (L4) History: Purchased by Darryl Pitt in July 2017 from a dealer in Erfoud, Morocco. Petrography: (A. Irving and S. Kuehner, UWS) Well-formed chondrules occur in a finer grained matrix containing stained metal and merrillite. Geochemistry: Olivine (Fa23.4-23.9, N = 3), orthopyroxene (Fs19.0-19.2Wo1.0-0.8, N = 2), clinopyroxene (Fs7.6-9.4Wo41.4-37.4, N = 2). Classification: Ordinary chondrite (L4). Specimens: 38.4 g including one polished thin section at UWB; remainder with DPitt. | ||||||||||||||||||||||||||||||
Data from: MB106 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) DPitt: Darryl Pitt, 225 West 83rd Street, New York, NY 10024, United States; Website (private address) |
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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 8904 approved meteorites from (Northwest Africa) (plus 1871 unapproved names) |