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Northwest Africa 11470 | |||||||||||||||||||||||||||||||
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Basic information | Name: Northwest Africa 11470 This is an OFFICIAL meteorite name. Abbreviation: NWA 11470 Observed fall: No Year found: 2017 Country: Western Sahara Mass: ![]() | ||||||||||||||||||||||||||||||
Classification history: |
This is 1 of 712 approved meteorites (plus 1 unapproved name) classified as L3. [show all] Search for other: L chondrites, L chondrites (type 3), Ordinary chondrites, and Ordinary chondrites (type 3) | ||||||||||||||||||||||||||||||
Comments: | Approved 13 Oct 2017 | ||||||||||||||||||||||||||||||
Writeup![]() |
Writeup from MB 106:
Northwest Africa 11470 (NWA 11470) Western Sahara Purchased: August 2017 Classification: Ordinary chondrite (L3) History: Purchased from Aadel Bouzada in August of 2017 in Morocco. Reportedly found in Western Sahara in December 2016. Nomads found the specimen while they were searching between Anzarane and Dakhla for the NWA 7034 strewn field. Physical characteristics: Single stone, weathered exterior with many chondrules exposed. Saw cut reveals numerous densely packed chondrules in a dark-gray groundmass. Scattered, irregular, light colored clasts were also observed. Petrography: (C. Agee, UNM) Microprobe examination of a polished mount shows may porphyritic chondrules, average apparent chondrule diameter 610±340 μm (n=20). Opaque, fine grained matrix present. Geochemistry: (C. Agee and A. Santos, UNM) Olivine Fa15.9±7.8, Mn/Fe=60±25, Cr2O3=0.08±0.06 wt%, n=19; low Ca pyroxene Fs9.2±8.0Wo0.8±1.0, n=8. Classification: Ordinary chondrite (L3), estimated subtype ~3.3. Specimens: 20 g on deposit at CSFK, Zsolt Kereszty holds the main mass. | ||||||||||||||||||||||||||||||
Data from: MB106 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) CSFK: Research Center for Astronomy and Earth Sciences, H-1121 Budapest, Konkoly Thege Miklós út 15-17.l Hungary, Hungary (institutional address; updated 7 Apr 2015) |
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Catalogs: |
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References: | Published in Gattacceca J., Bouvier A., Grossman J., Metzler K., and Uehara M. (2019) Meteoritical Bulletin, no. 106. Meteorit. Planet. Sci. 54 in press.
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Photos: |
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Geography:![]() |
Statistics: This is 1 of 224 approved meteorites from Western Sahara (plus 19 unapproved names) |