Meteoritical Bulletin: Entry for Northwest Africa 10405

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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: 704 g

Classification
history:

Meteoritical Bulletin:	MB 104	(2015)	CK3
Recommended:			CK3 [explanation]

This is 1 of 86 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

Writeup

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 (Fa_3.2-33.1, FeO/MnO = 91-110, N = 3), orthopyroxene (Fs_19.7-23.5Wo_1.3-0.4, N = 3), clinopyroxene (Fs_1.4Wo_43.3; Fs_11.8Wo_50.2).

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, Burke Museum of Natural History and Culture, Box 353010 Seattle, WA 98195, United States (institutional address; updated 9 Oct 2023)
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

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Geography:

Coordinates:

Unknown.

Statistics:
This is 1 of 9710 approved meteorites from (Northwest Africa) (plus 1853 unapproved names)

Also see:

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Revision
history:

This lists important revisions made to data for this record.

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