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Northwest Africa 10420 | |||||||||||||||||||||||||||||||
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Basic information | Name: Northwest Africa 10420 This is an OFFICIAL meteorite name. Abbreviation: NWA 10420 Observed fall: No Year found: 2015 Country: (Northwest Africa) Mass: 560 g | ||||||||||||||||||||||||||||||
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 23 Nov 2015 | ||||||||||||||||||||||||||||||
Writeup |
Writeup from MB 104:
Northwest Africa 10420 (NWA 10420) (Northwest Aftica) Purchased: 2015 Classification: Ordinary chondrite (H5) History: Purchased by Adam Aaronson in Morocco, 2015. Physical characteristics: Weathered exterior. A saw cut reveals many small, closely packed chondrules set in a dark brown matrix. Petrography: (C. Agee, UNM) Microprobe examination of a polished mount shows small chondrules typical of H-chondrites. Abundant metal and oxidized metal throughout. Geochemistry: (C. Agee and N. Muttik, UNM) Olivine Fa18.2±0.2, Fe/Mn=37±1, n=24; low-Ca pyroxene Fs16.4±0.4Wo1.5±0.5, Fe/Mn=22±1, n=12. Classification: Ordinary chondrite (H5). Specimens: 20.1 g including a probe mount on deposit at UNM, main mass Aaronson | ||||||||||||||||||||||||||||||
Data from: MB104 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) Aaronson: Sahara Overland Ltd., Harhora, Temara, 12000, Morocco (private address; updated 3 Jan 2010) |
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Catalogs: |
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References: | Published in Meteoritical Bulletin, no. 104, MAPS 52, 2284, Octover 2017, http://onlinelibrary.wiley.com/doi/10.1111/maps.12930/full
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Geography: |
Statistics: This is 1 of 9699 approved meteorites from (Northwest Africa) (plus 1854 unapproved names) | ||||||||||||||||||||||||||||||
Also see: |
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Revision history: |
This lists important revisions made to data for this record.
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