Meteoritical Bulletin: Entry for Northwest Africa 10407

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Northwest Africa 10407

Basic information

Name: Northwest Africa 10407
This is an OFFICIAL meteorite name.
Abbreviation: NWA 10407
Observed fall: No
Year found: 2015
Country: (Northwest Africa)
Mass: 194.3 g

Classification
history:

Meteoritical Bulletin:	MB 104	(2015)	CO3
Recommended:			CO3 [explanation]

This is 1 of 645 approved meteorites (plus 1 unapproved name) classified as CO3. [show all]
Search for other: Carbonaceous chondrites, Carbonaceous chondrites (type 3), CM-CO clan chondrites, and CO chondrites

Comments:

Approved 18 Dec 2015

Writeup

Writeup from MB 104:

Northwest Africa 10407 (NWA 10407)

(Northwest Africa)

Purchased: 2015 Jul

Classification: Carbonaceous chondrite (CO3)

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

Petrography: (A. Irving and S. Kuehner, UWS) Small chondrules, mineral fragments and irregularly-shaped CAI are set in a deep brown matrix (~40 vol.%).

Geochemistry: Olivine (Fa_0.8-65.0; Cr₂O₃ in ferroan olivine 0.10-0.48 wt.%, mean 0.28 wt.%, sd 0.16 wt.%, N = 9), orthopyroxene (Fs_1.2-2.2Wo_1.2-1.0, N = 3), diopside (Fs_1.4Wo_48.3), augite (Fs_43.2Wo_41.0).

Classification: Carbonaceous chondrite (CO3).

Specimens: 21.3 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):	194.3
Pieces:	3
Class:	CO3
Shock stage:	low
Weathering grade:	low
Fayalite (mol%):	0.8-65.0
Ferrosilite (mol%):	1.2-2.2
Wollastonite (mol%):	1.2-1.0
Classifier:	A. Irving and S. Kuehner, UWS
Type spec mass (g):	21.3
Type spec location:	UWB
Main mass:	DPitt
Comments:	MAC 162; 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 9699 approved meteorites from (Northwest Africa) (plus 1854 unapproved names)

Also see:

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Revision
history:

This lists important revisions made to data for this record.

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