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Northwest Africa 11914 | |||||||||||||||||||||||||||||||
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Basic information | Name: Northwest Africa 11914 This is an OFFICIAL meteorite name. Abbreviation: NWA 11914 Observed fall: No Year found: 2013 Country: (Northwest Africa) Mass: ![]() | ||||||||||||||||||||||||||||||
Classification history: |
This is 1 of 11150 approved meteorites (plus 22 unapproved names) classified as H5. [show all] Search for other: H chondrites, H chondrites (type 4-7), Ordinary chondrites, and Ordinary chondrites (type 4-7) | ||||||||||||||||||||||||||||||
Comments: | Approved 24 Jul 2018 | ||||||||||||||||||||||||||||||
Writeup![]() |
Writeup from MB 107:
Northwest Africa 11914 (NWA 11914) (Northwest Africa) Purchased: 2013 Classification: Ordinary chondrite (H5) History: Purchased by John A. Shea in 2013 via E-bay from Steve Witt who acquired it in a lot of northwest African meteorites Physical characteristics: Dark reddish brown weathering patina covers all exterior surfaces Petrography: In thin section, chondrules are readily delineated; mesostases are devitrified. Geochemistry: (M. Hutson, A. Cairns, A. Maroni, J. Longfellow, and A. Ruzicka, Cascadia) Olivine (Fa19.2±0.6, N=33), low-Ca pyroxene (Fs17.1±0.8Wo1.2±0.3, N= 17). Classification: H5 chondrite based on chemistry and texture Specimens: Cascadia holds 17.1 g in three pieces, in addition to one polished thin section and a mounted butt. | ||||||||||||||||||||||||||||||
Data from: MB107 Table 0 Line 0: |
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Institutions and collections |
Cascadia: Cascadia Meteorite Laboratory, Portland State University, Department of Geology, Room 17 Cramer Hall, 1721 SW Broadway, Portland, OR 97201, United States; Website (institutional address; updated 28 Oct 2011) |
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Catalogs: |
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References: | Published in Meteoritical Bulletin, no. 107, MAPS 55, 460-462
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Geography: |
Statistics: This is 1 of 9111 approved meteorites from (Northwest Africa) (plus 1873 unapproved names) |