Meteoritical Bulletin: Entry for Northwest Africa 1286

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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: 370 g

Classification
history:

Recommended:

L4 [explanation]

This is 1 of 2008 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

Writeup

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 (Fa_24.5±0.1, range Fa_24.3-24.7, N = 6), low-Ca pyroxene (Fs_21.0±0.2Wo_1.2±0.1, range Fs_20.6-21.2Wo_1.1-1.2, 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:

Credit	Photos
Photos uploaded by members of the Encyclopedia of Meteorites. (Caution, these are of unknown reliability)
stéphane rallo
Woreczko Jan & Wadi

Geography:

Coordinates:

Unknown.

Statistics:
This is 1 of 9013 approved meteorites from (Northwest Africa) (plus 1869 unapproved names)

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