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Northwest Africa 7606 | |||||||||||||||||||||||||||||
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Basic information | Name: Northwest Africa 7606 This is an OFFICIAL meteorite name. Abbreviation: NWA 7606 Observed fall: No Year found: 2012 Country: Morocco Mass: ![]() | ||||||||||||||||||||||||||||
Classification history: |
This is 1 of 24 approved meteorites classified as LL3.4. [show all] Search for other: LL chondrites, LL chondrites (type 3), Ordinary chondrites, and Ordinary chondrites (type 3) | ||||||||||||||||||||||||||||
Comments: | Approved 28 Jan 2013 | ||||||||||||||||||||||||||||
Writeup![]() |
Writeup from MB 102:
Northwest Africa 7606 (NWA 7606) Morocco Purchased: Aug 2012 Classification: Ordinary chondrite (LL3.4) History: Purchased by Adam Bates from a meteorite dealer in Morocco, August 2012. Physical characteristics: Single stone, dark weathered fusion crust, saw-cut reveals densely packed chondrules of variable size, scattered very fine grained metal/sulfides. Petrography: (C. Agee, UNM) Microprobe examination of a polished mount shows a numerous unequilibrated chondrules, most 500-1000 μm, range ~100-3000 μm, set in fine-grained groundmass, minor kamacite, troilite, and Fe-oxide. Geochemistry: (C. Agee and M. Spilde, UNM) Olivine Fa19.1±10.6, range Fa0.4-37.1, Fe/Mn=62±40, Cr2O3=0.06±0.04 wt%, n=32; low-Ca pyroxene Fs7.1±6.5Wo0.8±0.9, range Fs0.3-27.1, Fe/Mn=20±15, n=56. Classification: Ordinary chondrite (LL3.4), mean Fa-content and sigma consistent with type 3.4, low-Ca pyroxene has anomalously low mean Fs-content and high sigma for type 3.4, weathering grade W2. Specimens: 22 g including a probe mount on deposit at UNM, Adam Bates holds the main mass. | ||||||||||||||||||||||||||||
Data from: MB102 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. 102, MAPS 50, 1662, September 2015
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Geography:![]() |
Statistics: This is 1 of 1548 approved meteorites from Morocco (plus 22 unapproved names) (plus 1 impact crater) |