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| Northwest Africa 13373 | |||||||||||||||||||||||||||||
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| Basic information | Name: Northwest Africa 13373 This is an OFFICIAL meteorite name. Abbreviation: NWA 13373 Observed fall: No Year found: 2018 Country: Mauritania Mass:  920 g | ||||||||||||||||||||||||||||
| Classification history: |
This is 1 of 10209 approved meteorites (plus 18 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 2 Aug 2020 | ||||||||||||||||||||||||||||
| Writeup |
Writeup from MB 109:
Northwest Africa 13373 (NWA 13373) Mauritania Find: 2018 Classification: Ordinary chondrite (H5) History: Collected by a nomad in an undetermined place in northern Mauritania during 2018. Purchased by Geologist Juan Avilés Poblador in Spring 2019 on behalf of UAlic (Earth Sciences Department, Laboratory of Applied Petrology). Physical characteristics: The single, 919.7 g irregularly shaped stone has as red-brown exterior. Veins are visible on cut surfaces. Petrography: (C. Herd and H. Shek, UAb) Optical and microprobe examination of a polished thin section shows well-delineated chondrules cross-cut locally by veins. Minor iron staining is present. Olivine has sharp optical extinction with <2° angular variation. Veins do not appear to involve significant shock melting. Geochemistry: (C. Herd and H. Shek, UAb) Data obtained by EMP examination of carbon-coated thin section: Olivine Fa19.4±0.6 (n=94); Low-Ca Pyroxene Fs17.6±1.2Wo1.0±0.2 (n=81). Classification: Ordinary chondrite, H5 Specimens: Type specimen of 91.1 g, including one thin section, is at UAb. Main mass at UAlic. | ||||||||||||||||||||||||||||
| Data from: MB109 Table 0 Line 0: |
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| Institutions and collections |
UAb: 1-26 Earth Sciences Building, University of Alberta, Edmonton, AB, T6G 2E3, Canada, Canada; Website (institutional address; updated 17 Oct 2011) UAlic: Earth Sciences Department University of Alicante San Vicente del Raspeig, Spain (institutional address; updated 9 Feb 2020) |
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| References: | Published in Meteoritical Bulletin, no. 109, in preparation (2020)
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Geography:
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Statistics: This is 1 of 137 approved meteorites from Mauritania (plus 1 unapproved name) (plus 2 impact craters) | ||||||||||||||||||||||||||||