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Northwest Africa 15376 | |||||||||||||||||||||||||||||||
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Basic information | Name: Northwest Africa 15376 This is an OFFICIAL meteorite name. Abbreviation: NWA 15376 Observed fall: No Year found: 2021 Country: (Northwest Africa) Mass: 14 kg | ||||||||||||||||||||||||||||||
Classification history: |
This is 1 of 37 approved meteorites classified as LL3-6. [show all] Search for other: LL chondrites, LL chondrites (type 3), Ordinary chondrites, and Ordinary chondrites (type 3) | ||||||||||||||||||||||||||||||
Comments: | Approved 12 Nov 2022 | ||||||||||||||||||||||||||||||
Writeup |
Writeup from MB 111:
Northwest Africa 15376 (NWA 15376) (Northwest Africa) Purchased: 2021 Classification: Ordinary chondrite (LL3-6) History: Purchased by Mark Lyon from a meteorite dealer in Algeria in 2021. Physical characteristics: Single stone with minor fusion crust. Petrography: (D. Sheikh, Cascadia) Sample is a genomict breccia comprised of mm to cm-sized sub-angular clasts, and few chondrules, set within a fine-grained matrix containing melt-rich regions. Some clast lithologies are equilibrated and contain secondary recrystallized feldspar (Av. ~60 μm), other clast lithologies are unequilibrated and contain devitrified glass. Accessory phases include Fe-Ni metal, troilite, and chromite. Geochemistry: Equilibrated lithologies [Olivine (Fa30.0±0.7, range Fa29.3-31.5, n=17), Low-Ca Pyroxene (Fs24.3±0.7Wo2.0±0.6, range Fs22.5-25.7Wo1.5-3.9, n=15)]; Unequilibrated lithologies [Olivine (Fa28.6±1.6, range Fa27.1-30.9, n=7), Low-Ca Pyroxene (Fs21.6±2.5Wo1.8±1.0, range Fs17.8-25.2Wo0.6-3.7, n=10)]. Classification: Ordinary Chondrite (LL3-6). Specimens: 33.9 g at Cascadia, main mass with Mark Lyon. | ||||||||||||||||||||||||||||||
Data from: MB111 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 Gattacceca J., McCubbin F. M., Grossman J. N., Schrader D. L., Chabot N. L., D’Orazio M., Goodrich C., Greshake A., Gross J., Joy K. H., Komatsu M. and Miao B. (2023) The Meteoritical Bulletin, No. 111. Meteoritics & Planetary Science 58, 901–904. ?
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Photos: |
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Geography: |
Statistics: This is 1 of 9627 approved meteorites from (Northwest Africa) (plus 1865 unapproved names) | ||||||||||||||||||||||||||||||
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Revision history: |
This lists important revisions made to data for this record.
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