| Northwest Africa 14659 | |||||||||||||||
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| Basic information | Name: Northwest Africa 14659 This is an OFFICIAL meteorite name. Abbreviation: NWA 14659 Observed fall: No Year found: 2021 Country: (Northwest Africa) Mass: 12.9 kg | ||||||||||||||
| Classification history: |
This is 1 of 470 approved meteorites classified as LL3. | ||||||||||||||
| Comments: | Approved 12 Feb 2022 | ||||||||||||||
Writeup from MB 111: Northwest Africa 14659 (NWA 14659) (Northwest Africa) Purchased: 2021 Jul Classification: Ordinary chondrite (LL3) History: Purchased by Mark Lyon in July 2021 from a Moroccan dealer. Petrography: (A. Irving, UWS and P. Carpenter, WUSL) Well-formed unequilibrated, glass-bearing chondrules (apparent diameter 780±450 µm, N = 26) are set in a fine grained matrix containing kamacite, taenite and troilite. Some chondrules contain relatively calcic plagioclase, but most have groundmasses composed of glass plus microlites. Geochemistry: Olivine (Fa18.0±8.5, range Fa3.7-26.6, N = 6; Cr2O3 in ferroan olivine 0.02-0.11 wt.%, mean 0.06±0.03 wt.%, N = 5), low-Ca pyroxene (Fs11.9±8.1Wo1.0±0.7, range Fs2.7-17.8Wo0.5-1.8, N = 3), subcalcic augite (Fs23.6Wo23.6), plagioclase (An66.7Or0.3). Magnetic susceptibility log χ (× 10-9 m3/kg) = 4.23. Classification: Ordinary chondrite (LL3). Specimens: 35.6 g including one polished thin section at UWB; remainder with Mr. M. Lyon. | |||||||||||||||
| Data from: MB111 Table 0 Line 0: |
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Nice specimen for your collection. Authenticity guaranteed.
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