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Northwest Africa 15136 | |||||||||||||||||||||||||||||
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Basic information | Name: Northwest Africa 15136 This is an OFFICIAL meteorite name. Abbreviation: NWA 15136 Observed fall: No Year found: 2022 Country: (Northwest Africa) Mass: 19.73 kg | ||||||||||||||||||||||||||||
Classification history: |
This is 1 of 135 approved meteorites classified as Eucrite-unbr. [show all] Search for other: Achondrites, Eucrites, and HED achondrites | ||||||||||||||||||||||||||||
Comments: | Approved 5 Sep 2022 | ||||||||||||||||||||||||||||
Writeup |
Writeup from MB 111:
Northwest Africa 15136 (NWA 15136) (Northwest Africa) Purchased: 2022 Mar Classification: HED achondrite (Eucrite, unbrecciated) History: Purchased by Wenxi Jin and Ziyao Wang in January 2022 from a dealer in Bir Lahlo, Algeria, and sold to Fujun Ren in March 2022. Petrography: (A. Irving, UWS and P. Carpenter, WUSL) The specimen has an ophitic texture with relatively thin laths of calcic plagioclase associated with pyroxene (both low-Ca and high-Ca, exhibiting only limited exsolution and some composiitonal zoning). Accessory phases are silica polymorph, Ti-chromite, ilmenite and troilite. Several shock melt veins are present in the studied mount. Geochemistry: Low-Ca pyroxene (Fs61.3-62.0Wo2.2-3.1, FeO/MnO = 31-34, N = 4), augite (Fs26.2-27.6Wo43.7-44.1, FeO/MnO = 31-34, N = 4), plagioclase (An86.0-86.8Or0.7-0.5, N = 3). Classification: Eucrite (unbrecciated, ophitic). Specimens: 32.9 g including a polished mount and one polished thin section at UWB; remainder with Mr. Fujun Ren. | ||||||||||||||||||||||||||||
Data from: MB111 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) WUSL: Washington Univ., One Brookings Drive, St. Louis, MO 63130, United States (institutional address; updated 17 Oct 2011) UWB: University of Washington, Burke Museum of Natural History and Culture, Box 353010 Seattle, WA 98195, United States (institutional address; updated 9 Oct 2023) |
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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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Geography: |
Statistics: This is 1 of 9589 approved meteorites from (Northwest Africa) (plus 1869 unapproved names) | ||||||||||||||||||||||||||||
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Revision history: |
This lists important revisions made to data for this record.
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