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Northwest Africa 11965 | |||||||||||||||||||||||||||||||
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Basic information | Name: Northwest Africa 11965 This is an OFFICIAL meteorite name. Abbreviation: NWA 11965 Observed fall: No Year found: 2018 Country: (Northwest Africa) Mass: 57.3 g | ||||||||||||||||||||||||||||||
Classification history: |
This is 1 of 633 approved meteorites classified as CM2. [show all] Search for other: Carbonaceous chondrites, Carbonaceous chondrites (type 2), CM chondrites, and CM-CO clan chondrites | ||||||||||||||||||||||||||||||
Comments: | Approved 6 Oct 2018 | ||||||||||||||||||||||||||||||
Writeup |
Writeup from MB 107:
Northwest Africa 11965 (NWA 11965) (Northwest Africa) Purchased: 2018 Classification: Carbonaceous chondrite (CM2) History: Purchased by Aziz Habibi in Morocco 2018. Physical characteristics: Complete individual stone, partially covered with fusion crust. A broken surface reveals black, fined-grained interior; very friable; some CAIs are visible. Petrography: (C. Agee, UNM) This meteorite consists of scattered porphyritic chondrules set in a fine grained matrix. The matrix makes up approximately 75% of this meteorite. Ubiquitous Fe-sulfide, Fe,Ni-sulfide, Fe, Ni-metal, phyllosilicates, and carbonates are present in the matrix. Geochemistry: (C. Agee, UNM) Olivine Fa12.5±17.6, range Fa0.5-44.4, Cr2O3=0.32±0.16, n=11; low-Ca pyroxene Fs3.5±3.3Wo3.4±0.5, n=2. Oxygen isotopes (K. Ziegler, UNM) done by laser fluorination δ17O=1.681, δ18O=10.426, Δ17O=-3.825, normalized, all permil. Classification: Carbonaceous chondrite (CM2) Specimens: 11.5 g including a probe mount on deposit at UNM, Aziz Habibi holds the main mass. | ||||||||||||||||||||||||||||||
Data from: MB107 Table 0 Line 0: |
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Plots: | O isotopes: | ||||||||||||||||||||||||||||||
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. 107, MAPS 55, 460-462
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Geography: |
Statistics: This is 1 of 9589 approved meteorites from (Northwest Africa) (plus 1869 unapproved names) | ||||||||||||||||||||||||||||||
Also see: |
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Revision history: |
This lists important revisions made to data for this record.
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