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Northwest Africa 7046 | |||||||||||||||||||||||||||||
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Basic information | Name: Northwest Africa 7046 This is an OFFICIAL meteorite name. Abbreviation: NWA 7046 Observed fall: No Year found: 2011 Country: Morocco Mass: 1819 g | ||||||||||||||||||||||||||||
Classification history: |
This is 1 of 6493 approved meteorites (plus 2 unapproved names) classified as H4. [show all] Search for other: H chondrites, H chondrites (type 4-7), Ordinary chondrites, and Ordinary chondrites (type 4-7) | ||||||||||||||||||||||||||||
Comments: | Approved 1 Feb 2012 | ||||||||||||||||||||||||||||
Writeup |
Writeup from MB 100:
Northwest Africa 7046 (NWA 7046) Morocco Found: 2010 Classification: Ordinary chondrite (H4) History: Purchased by Matt Morgan in at the Denver Gem and Mineral Show, 2011. Physical characteristics: Dark brown exterior, iron staining, saw cut reveals numerous chondrules, some to 4 mm. Petrography: (C. Agee, UNM) Microprobe examination of a polished mount shows a dense population of chondrules: BP, PP, PO, POP, some clasts, 100-2000 μm. Albitic mesostasis and glass, accessory pigeonite and augite, significant oxidation of Fe-Ni metal, sulfide and chromite present. Geochemistry: C. Agee and N. Wilson, UNM) Olivine Fa17.1±0.7, PMD=4%, Fe/Mn=35±2, n=35. Orthopyroxene Fs15.7±5.0, PMD=33%, Wo1.1±1.1, Fe/Mn=27±11, n=34. Specimens: 24g on deposit at UNM. MtMorgan holds the main mass. | ||||||||||||||||||||||||||||
Data from: MB100 Table 1 Line 1594: |
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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) MtMorgan: Matt Morgan, Mile High Meteorites, P.O. Box 151293, Lakewood, CO 80215-9293, United States; Website (private address) |
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Catalogs: |
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References: | Published in Meteoritical Bulletin, no. 100, MAPS 49, E1-E101 (2014)
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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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