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| Northwest Africa 13988 | |||||||||||||||||||||||||||||||
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| Basic information | Name: Northwest Africa 13988 This is an OFFICIAL meteorite name. Abbreviation: NWA 13988 Observed fall: No Year found: 2019 Country: Morocco Mass:  3.55 kg | ||||||||||||||||||||||||||||||
| Classification history: |
This is 1 of 11567 approved meteorites (plus 23 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 29 May 2021 | ||||||||||||||||||||||||||||||
| Writeup |
Writeup from MB 110:
Northwest Africa 13988 (NWA 13988) Morocco Purchased: 2019 Classification: Ordinary chondrite (H5) History: Purchased by S. Crivello and I. Pardini at the 2019 Genoa Mineral Show from a Moroccan dealer. Reportedly from the Dakhla region. Physical characteristics: Consists of a single irregularly shaped 3.45 kg mass that has a dark rd-brown, fractured exterior surface. Petrography: (C. Herd, UAb) Optical and microprobe examination of a polished thin section shows well-delineated chondrules with some fractures and veins. Iron oxide veins and iron oxide staining are present throughout, and most metal is oxidized. Olivine has sharp extinction with <2° angular variation. Geochemistry: (C. Herd, UAb) Data obtained by EMP examination of carbon-coated thin section: Olivine Fa18.5±0.4 (n=155); Low-Ca Pyroxene Fs16.4±0.6Wo1.3±0.4 (n=167). Classification: Ordinary chondrite, H5. Specimens: Type specimen consisting of 27.25 g and 35.81 g pieces, including one thin section, is at UAb. Main mass with S. Crivello and I. Pardini. | ||||||||||||||||||||||||||||||
| Data from: MB110 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) |
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| Catalogs: |
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| References: | Published in Gattacceca J., McCubbin F.M., Grossman J., Bouvier A., Chabot N.L., D'Orazio M., Goodrich C., Greshake A., Gross J., Komatsu M., Miao B., and Schrader D. (2022) The Meteoritical Bulletin, No. 110. Meteorit. Planet. Sci. 1-4
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Geography:
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Statistics: This is 1 of 2082 approved meteorites from Morocco (plus 31 unapproved names) (plus 1 impact crater) | ||||||||||||||||||||||||||||||
| Also see: |
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| Revision history: |
This lists important revisions made to data for this record.
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