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Northwest Africa 10405
Basic information Name: Northwest Africa 10405
     This is an OFFICIAL meteorite name.
Abbreviation: NWA 10405
Observed fall: No
Year found: 2015
Country: (Northwest Africa)
Mass:help 704 g
Classification
  history:
Meteoritical Bulletin:  MB 104  (2015)  CK3
Recommended:  CK3    [explanation]

This is 1 of 37 approved meteorites classified as CK3.   [show all]
Search for other: Carbonaceous chondrites, Carbonaceous chondrites (type 3), CK chondrites, CK3 chondrites, and CV-CK clan chondrites
Comments: Approved 18 Dec 2015
Writeuphelp
Writeup from MB 104:

Northwest Africa 10405 (NWA 10405)

(Northwest Africa)

Purchased: 2015 Jul

Classification: Carbonaceous chondrite (CK3)

History: Purportedly found in Mauritania and purchased by Darryl Pitt in July 2015 from a Moroccan dealer.

Petrography: (A. Irving and S. Kuehner, UWS) Separated, well-formed chondrules (apparent diameter 2.0 ± 1.0 mm) containing stained Cr-magnetite are set in an orange-brown matrix containing intermediate plagioclase, calcite and minor barite.

Geochemistry: Olivine (Fa3.2-33.1, FeO/MnO = 91-110, N = 3), orthopyroxene (Fs19.7-23.5Wo1.3-0.4, N = 3), clinopyroxene (Fs1.4Wo43.3; Fs11.8Wo50.2).

Classification: Carbonaceous chondrite (CK3).

Specimens: 33.6 g including one polished thin section at UWB; main mass with DPitt.

Data from:
  MB104
  Table 0
  Line 0:
Place of purchase:Morocco
Date:P 2015 Jul
Mass (g):704
Pieces:1
Class:CK3
Shock stage:low
Weathering grade:low
Fayalite (mol%):3.2-33.1
Ferrosilite (mol%):19.7-23.5
Wollastonite (mol%):1.3-0.4
Classifier:A. Irving and S. Kuehner, UWS
Type spec mass (g):33.6
Type spec location:UWB
Main mass:DPitt
Comments:MAC 154; submitted by A. Irving
Institutions
   and collections
UWS: University of Washington, Department of Earth and Space Sciences, 70 Johnson Hall, Seattle, WA 98195, United States (institutional address; updated 15 Jan 2012)
UWB: University of Washington, Box 353010 Seattle, WA 98195, United States (institutional address; updated 27 Jul 2012)
DPitt: Darryl Pitt, 225 West 83rd Street, New York, NY 10024, United States; Website (private address)
Catalogs:
References: Published in Meteoritical Bulletin, no. 104, MAPS 52, 2284, Octover 2017, http://onlinelibrary.wiley.com/doi/10.1111/maps.12930/full
Find references in NASA ADS:
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Geography: 
Coordinates:Unknown.

Statistics:
     This is 1 of 6759 approved meteorites from (Northwest Africa) (plus 2047 unapproved names)

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