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Northwest Africa 13294 | |||||||||||||||||||||||||||||
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Basic information | Name: Northwest Africa 13294 This is an OFFICIAL meteorite name. Abbreviation: NWA 13294 Observed fall: No Year found: 2018 Country: (Northwest Africa) Mass: 26.4 g | ||||||||||||||||||||||||||||
Classification history: |
This is 1 of 595 approved meteorites (plus 1 unapproved name) classified as Eucrite. [show all] Search for other: Achondrites, Eucrites, and HED achondrites | ||||||||||||||||||||||||||||
Comments: | Approved 23 May 2020 | ||||||||||||||||||||||||||||
Writeup |
Writeup from MB 109:
Northwest Africa 13294 (NWA 13294) (Northwest Africa) Purchased: 2018 Classification: HED achondrite (Eucrite) History: Purchased by Shawn Kashay in 2018 from Mustapha Hnini in Algeria. Physical characteristics: Single stone with minor fusion crust. Petrography: (D. Sheikh, FSU) Sample is a fine-grained eucrite containing low-calcium pyroxene, pigeonite, augite, calcic plagioclase, silica glass, Si-Al-Ca rich glass, and ilmenite. Minor secondary calcite weathering veins present. Geochemistry: Low-Ca pyroxene (Fs60.7±1.9Wo2.6±0.8, range Fs58.1-64.6Wo1.3-4.1, FeO/MnO=30±2, n=16); pigeonite (Fs53.2±3.1Wo12.1±3.0, range Fs48.1-56.7Wo7.6-17.2, FeO/MnO=31±4, n=9); augite (Fs28.7±4.6Wo38.7±3.7, range Fs23.3-34.9Wo31.4-42.2, FeO/MnO=30±3, n=8); calcic plagioclase (An89.8±2.4, range An85.8-96.7, n=26). Classification: HED achondrite (Eucrite) Specimens: 5.35 grams at UCLA; main mass with Shawn Kashay. | ||||||||||||||||||||||||||||
Data from: MB109 Table 0 Line 0: |
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Institutions and collections |
UCLA: Institute of Geophysics and Planetary Physics, University of California, Los Angeles, CA 90095-1567, United States (institutional address; updated 17 Oct 2011) FSU: Department of Geological Sciences, Florida State University, Tallahassee FL 32306-4100, United States (institutional address; updated 16 Dec 2010) |
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Catalogs: |
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References: | Published in Meteoritical Bulletin, no. 109, in preparation (2020)
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Geography: |
Statistics: This is 1 of 9589 approved meteorites from (Northwest Africa) (plus 1869 unapproved names) | ||||||||||||||||||||||||||||
Also see: |
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Revision history: |
This lists important revisions made to data for this record.
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