Meteoritical Bulletin: Entry for Northwest Africa 11510

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Northwest Africa 11510

Basic information

Name: Northwest Africa 11510
This is an OFFICIAL meteorite name.
Abbreviation: NWA 11510
Observed fall: No
Year found: 2017
Country: (Northwest Africa)
Mass: 500 g

Classification
history:

Meteoritical Bulletin:	MB 106	(2018)	L4/5
Recommended:			L4/5 [explanation]

This is 1 of 82 approved meteorites (plus 1 unapproved name) classified as L4/5. [show all]
Search for other: L chondrites, L chondrites (type 4-7), Ordinary chondrites, and Ordinary chondrites (type 4-7)

Comments:

Approved 3 Nov 2017

Writeup

Writeup from MB 106:

Northwest Africa 11510 (NWA 11510)

(Northwest Africa)

Purchased: 2017 Jan

Classification: Ordinary chondrite (L4/5)

History: Purchased by Darryl Pitt in June 2017 from a dealer in Mauritania.

Petrography: (A. Irving and S. Kuehner, UWS) Relatively well-formed chondrules occur in a recrystallized matrix containing stained metal. Portions of the specimen are cross-cut by much finer grained shock veins containing the same mineral assemblage as the majority of the specimen.

Geochemistry: Olivine (Fa_25.1-25.2, N = 2), orthopyroxene (Fs_20.2-20.6Wo_1.4-1.3, N = 2), clinopyroxene (Fs_8.1-9.2Wo_45.1-43.9, N = 2).

Classification: Ordinary chondrite (L4/5).

Specimens: 30.57 g including one polished thin section at UWB; remainder with DPitt.

Data from:
  MB106
  Table 0
  Line 0:

Place of purchase:	Tucson
Date:	P 2017 Jan
Mass (g):	500.2
Pieces:	1
Class:	L4/5
Shock stage:	S4
Weathering grade:	W1
Fayalite (mol%):	25.0-25.1
Ferrosilite (mol%):	20.2-20.6
Wollastonite (mol%):	1.4-1.3
Classifier:	A. Irving and S. Kuehner, UWS
Type spec mass (g):	30.57
Type spec location:	UWB
Main mass:	D. Pitt
Comments:	Work name MVCH 312; 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 Gattacceca J., Bouvier A., Grossman J., Metzler K., and Uehara M. (2019) Meteoritical Bulletin, no. 106. Meteorit. Planet. Sci. 54 in press.

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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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