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Northwest Africa 7109 | |||||||||||||||||||||||||||||
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Basic information | Name: Northwest Africa 7109 This is an OFFICIAL meteorite name. Abbreviation: NWA 7109 Observed fall: No Year found: 2011 Country: Morocco Mass: 1441 g | ||||||||||||||||||||||||||||
Classification history: |
This is 1 of 8876 approved meteorites (plus 5 unapproved names) classified as L5. [show all] Search for other: L chondrites, L chondrites (type 4-7), Ordinary chondrites, and Ordinary chondrites (type 4-7) | ||||||||||||||||||||||||||||
Comments: | Approved 16 Dec 2011 | ||||||||||||||||||||||||||||
Writeup |
Writeup from MB 100:
Northwest Africa 7109 (NWA 7109) Morocco Found: 2011 Classification: Ordinary chondrite (L5) History: Purchased by Matt Morgan at the Denver Gem and Mineral Show in 2011. Physical characteristics: Single stone, interior is brown with numerous small metal grains and a few weathering veins. Petrography: (C. Agee, UNM) Microprobe examination of a polished mount shows a few distinct chondrules set in granoblastic olivine and pyroxene. Plagioclase and kamacite present. Geochemistry: (C. Agee and N. Wilson, UNM) Olivine Fa24.1±0.3, Fe/Mn=49±5, n=9, low-Ca pyroxene Fs21.3±1.9Wo1.5±0.2, Fe/Mn=31±4, n=7. Classification: Ordinary chondrite (L5), weathering grade W3. Specimens: 35 g including a probe mount on deposit at UNM, MtMorgan holds the main mass. | ||||||||||||||||||||||||||||
Data from: MB100 Table 1 Line 1637: |
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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 2068 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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