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Northwest Africa 10612 | |||||||||||||||||||||
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Basic information | Name: Northwest Africa 10612 This is an OFFICIAL meteorite name. Abbreviation: NWA 10612 Observed fall: No Year found: 2016 Country: Morocco Mass: 850 g | ||||||||||||||||||||
Classification history: |
This is 1 of 598 approved meteorites (plus 1 unapproved name) classified as Eucrite. [show all] Search for other: Achondrites, Eucrites, and HED achondrites | ||||||||||||||||||||
Comments: | Approved 24 Apr 2016 | ||||||||||||||||||||
Writeup |
Writeup from MB 105:
Northwest Africa 10612 (NWA 10612) Morocco Purchased: 2016 Feb Classification: HED achondrite (Eucrite) History: Purchased by Ke Zuokai in Feb. 2016 from a Moroccan dealer. Physical characteristics: An irregular stone without fusion crust. Petrography: The brecciated meteorite displays an overall basaltic texture of exsolved pyroxene and plagioclase ranging from 0.1-1.5 mm. Accessory minerals include ilmenite, chromite and SiO2 polymorphs. Melt veins and melt pockets are common, consisting of crystallite and angular minerals. Geochemistry: Plagioclase, An88.1±2.9Or0.4±0.2 (An85.9-96.6Or0.2-0.8, n=15); orthopyroxene, Fs60.6±1Wo2.5±0.7 (Fs59-62.2Wo1.7-3.4, n=10); pigeonite, Fs55.9±1.5Wo7.6±2.3 (Fs54.4-57.3Wo5.2-9.6, n=4); augite, Fs26.2±1.8Wo43.4±0.7 (Fs25.2-27.3Wo42.4-44.3, n=8); all pyroxenes, FeO/MnO = 29±1. | ||||||||||||||||||||
Data from: MB105 Table 0 Line 0: |
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Institutions and collections |
PMO: Purple Mountain Observatory, Nanjing, China (institutional address; updated 16 Dec 2011) |
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Catalogs: |
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References: | Published in Meteoritical Bulletin, no. 105, MAPS 52, 2411, September 2017. http://onlinelibrary.wiley.com/doi/10.1111/maps.12944/full
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Geography: |
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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