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Northwest Africa 10903 | |||||||||||||||||||||||||||||||
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Basic information | Name: Northwest Africa 10903 This is an OFFICIAL meteorite name. Abbreviation: NWA 10903 Observed fall: No Year found: 2015 Country: (Northwest Africa) Mass: 113.2 g | ||||||||||||||||||||||||||||||
Classification history: |
This is 1 of 470 approved meteorites (plus 2 unapproved names) classified as CV3. [show all] Search for other: Carbonaceous chondrites, Carbonaceous chondrites (type 3), CV chondrites, and CV-CK clan chondrites | ||||||||||||||||||||||||||||||
Comments: | Approved 21 Nov 2016 | ||||||||||||||||||||||||||||||
Writeup |
Writeup from MB 105:
Northwest Africa 10903 (NWA 10903) (Northwest Africa) Purchased: 2015 Classification: Carbonaceous chondrite (CV3) History: Purchased in 2015 by Brahim Tahiri in Morocco and sent to his partner Sean Tutorow for analysis. Physical characteristics: 208 identically appearing stones and fragments: sandblasted exterior, many mm-sized chondrules visible, CAIs are present, matrix dark gray. Petrography: (C. Agee, UNM) Numerous porphyritic chondrules observed, and fine-grained matrix makes up approximately 50% of this meteorite. Geochemistry: (C. Agee and M. Spilde, UNM) All olivine Fa4.7±5.4, Fe/Mn=75±41, n=16; ferroan olivine Fa8.8±5.4, Fe/Mn=99±32, Cr2O3=0.25±0.32 (wt%), n=7; aluminous low-Ca pyroxene Fs22.2±26.2Wo2.4±2.1, Al2O3=6.7±1.6 (wt%), n=2; aluminous diopside Fs0.8±0.5Wo43.3±1.2, Al2O3=7.3±3.4 (wt%), n=3; plagioclase An86.5±0.5Ab13.4±0.6, n=2. Classification: Carbonaceous chondrite (CV3) Specimens: 20.16 g including a probe mount on deposit at UNM, Sean Tutorow holds the main mass. | ||||||||||||||||||||||||||||||
Data from: MB105 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 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 9699 approved meteorites from (Northwest Africa) (plus 1854 unapproved names) | ||||||||||||||||||||||||||||||
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Revision history: |
This lists important revisions made to data for this record.
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