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Northwest Africa 14713 | |||||||||||||||||||||||||||||||
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Basic information | Name: Northwest Africa 14713 This is an OFFICIAL meteorite name. Abbreviation: NWA 14713 Observed fall: No Year found: 2021 Country: (Northwest Africa) Mass: 3 kg | ||||||||||||||||||||||||||||||
Classification history: |
This is 1 of 319 approved meteorites (plus 2 unapproved names) classified as Martian (shergottite). [show all] Search for other: Martian meteorites | ||||||||||||||||||||||||||||||
Comments: | Approved 19 Mar 2022 | ||||||||||||||||||||||||||||||
Writeup |
Writeup from MB 111:
Northwest Africa 14713 (NWA 14713) (Northwest Africa) Purchased: 2021 Classification: Martian meteorite (Shergottite) History: Purchased January, 2021 by Mark Lyon from a Northwest African dealer. Physical characteristics: Three identical appearing stones with green-black mottled exterior, saw cuts reveals a coarse cumulate interior dominated by light and dark colored crystals. Petrography: (A. Ross, UNM; D. Dickens, NMMS; C. Agee, UNM) Examination of a polished microprobe mount and image analysis using ImageJ shows ~25% igneous-zoned olivine, ~35% igneous-zoned pyroxene and ~35% maskelynite, with opaques making up the remainder. Chromite, ilmenite, merrillite, and troilite were detected. Geochemistry: (A. Ross, UNM) Olivine Fa35.4±2.8 Fe/Mn=49±3, n=10; Pigeonite Fs25.7±3.2Wo9.2±2.4, Fe/Mn=29±2, n=8; augite Fs16.5±1.0Wo34.6±1.3, Fe/Mn=26±3, n=3; plagioclase An54.8±1.2Ab43.9±1.2, Or 1.3±0.2, n=5. Classification: Martian lherzolitic shergottite Specimens: 20 g including a probe mount on deposit at UNM, Mark Lyon holds the main mass. | ||||||||||||||||||||||||||||||
Data from: MB111 Table 0 Line 0: |
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Institutions and collections |
UNM: Institute of Meteoritics
MSC03 2050
University of New Mexico
Albuquerque NM 87131-1126
USA, United States; Website (institutional address; updated 12 Feb 2015) |
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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 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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