Meteoritical Bulletin: Entry for Northwest Africa 15371

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Northwest Africa 15371

Basic information

Name: Northwest Africa 15371
This is an OFFICIAL meteorite name.
Abbreviation: NWA 15371
Observed fall: No
Year found: 2021
Country: (Northwest Africa)
Mass: 315 g

Classification
history:

Recommended:

L6 [explanation]

This is 1 of 12583 approved meteorites (plus 8 unapproved names) classified as L6. [show all]
Search for other: L chondrites, L chondrites (type 4-7), Ordinary chondrites, and Ordinary chondrites (type 4-7)

Comments:

Approved 12 Nov 2022

Writeup

Writeup from MB 111:

Northwest Africa 15371 (NWA 15371)

(Northwest Africa)

Purchased: 2021

Classification: Ordinary chondrite (L6)

History: Purchased in 2021 by Paul Stahura from Edwin Thompson, who had previously purchased it from a meteorite dealer in Mauritania.

Physical characteristics: Single stone with dark brown fusion crust.

Petrography: (D. Sheikh, Cascadia) Equilibrated ordinary chondrite containing secondary recrystallized feldspar (Av. ~65 μm) and accessory chromite, merrillite, Fe-Ni metal, and troilite.

Geochemistry: Olivine (Fa_24.3±0.3, range Fa_23.7-25.0, n=17), Low-Ca Pyroxene (Fs_20.5±0.2Wo_1.5±0.2, range Fs_20.1-20.7Wo_1.3-1.8, n=12).

Classification: Ordinary Chondrite (L6).

Specimens: 73.6 g at Cascadia, main mass with Paul Stahura.

Data from:
  MB111
  Table 0
  Line 0:

Place of purchase:	Mauritania
Date:	P 2021
Mass (g):	314.8
Pieces:	1
Class:	L6
Shock stage:	S5
Weathering grade:	W2
Fayalite (mol%):	24.3±0.3
Ferrosilite (mol%):	20.5±0.2
Wollastonite (mol%):	1.5±0.2
Classifier:	D. Sheikh, Cascadia
Type spec mass (g):	73.6
Type spec location:	Cascadia
Main mass:	Paul Stahura
Comments:	CML 1603; submitted by Daniel Sheikh

Institutions
and collections

Cascadia: Cascadia Meteorite Laboratory, Portland State University, Department of Geology, Room 17 Cramer Hall, 1721 SW Broadway, Portland, OR 97201, United States; Website (institutional address; updated 28 Oct 2011)
Thompson: Edwin Thompson, 5150 Dawn St., Lake Oswego, OR 97035, United States (private address)

Catalogs:

References:

Published in Meteoritical Bulletin, no. 111, in preparation (2022)

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Geography:

Coordinates:

Unknown.

Statistics:
This is 1 of 9429 approved meteorites from (Northwest Africa) (plus 1876 unapproved names)

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