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Northwest Africa 1286
Basic information Name: Northwest Africa 1286
     This is an OFFICIAL meteorite name.
Abbreviation: NWA 1286
Observed fall: No
Year found: 2002
Country: (Northwest Africa)
Mass:help 370 g
Classification
  history:
Recommended:  L4    [explanation]

This is 1 of 1929 approved meteorites (plus 4 unapproved names) classified as L4.   [show all]
Search for other: L chondrites, L chondrites (type 4-7), Ordinary chondrites, and Ordinary chondrites (type 4-7)
Comments: Approved 2 Aug 2020
Writeuphelp
Writeup from MB 109:

Northwest Africa 1286 (NWA 1286)

(Northwest Africa)

Purchased: 2002

Classification: Ordinary chondrite (L4)

History: Purchased by Adam and Greg Hupe in 2002 from a dealer in Zagora, Morocco.

Petrography: (A. Irving, UWS and J. Boesenberg, BrownU) Well-formed chondrules are set in a relatively coarse grained matrix containing altered metal, troilite, chromite and apatite.

Geochemistry: Olivine (Fa24.5±0.1, range Fa24.3-24.7, N = 6), low-Ca pyroxene (Fs21.0±0.2Wo1.2±0.1, range Fs20.6-21.2Wo1.1-1.2, N = 5).

Classification: Ordinary chondrite (L4).

Specimens: 21 g at UCLA; 1.7 g including one polished thin section at PSF; remainder with A. & G. Hupe.

Data from:
  MB109
  Table 0
  Line 0:
Place of purchase:Zagora
Date:P 2002
Mass (g):370
Pieces:1
Class:L4
Shock stage:S2
Weathering grade:W2
Fayalite (mol%):24.5±0.1
Ferrosilite (mol%):21.0±0.2
Wollastonite (mol%):1.2±0.1
Classifier:A. Irving, UWA and J. Boesenberg, BrownU
Type spec mass (g):22.7
Type spec location:21 g UCLA/1.7 g PSF
Main mass:A. & G. Hupe
Comments:Work name H122; submitted by A. Irving
Institutions
   and collections
PSF: Planetary Studies Foundation,10 Winterwood Lane, Unit B, Galena, Illinois 61036-9283, United States; Website (institutional address; updated 1 Dec 2011)
UCLA: Institute of Geophysics and Planetary Physics, University of California, Los Angeles, CA 90095-1567, United States (institutional address; updated 17 Oct 2011)
UWS: University of Washington, Department of Earth and Space Sciences, 70 Johnson Hall, Seattle, WA 98195, United States (institutional address; updated 15 Jan 2012)
Hupe: (old address—now see GHupé or AHupé) G. and A. Hupe, 2616 Lake Youngs Court SE, Renton, WA 98058., United States (private address)
UWA: University of Western Australia, 35 Hackett Drive, Crawley, Western Australia 6009, Australia (institutional address; updated 29 May 2012)
BrownU: Brown University Providence, RI 02912, United States (institutional address; updated 7 Sep 2019)
Catalogs:
References: Published in Meteoritical Bulletin, no. 109, in preparation (2020)
Find references in NASA ADS:
Find references in Google Scholar:
Photos:
CreditPhotos
Photos uploaded by members of the Encyclopedia of Meteorites.
    (Caution, these are of unknown reliability)
Andreas Grünemeyer Photo added 19 Apr 2022
Phil Schmitz Photo added 19 Apr 2022
stéphane rallo   
Woreczko Jan & Wadi   
Geography: 
Coordinates:Unknown.

Statistics:
     This is 1 of 8390 approved meteorites from (Northwest Africa) (plus 1899 unapproved names)

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