Meteoritical Bulletin: Entry for Northwest Africa 14204

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Northwest Africa 14204

Basic information

Name: Northwest Africa 14204
This is an OFFICIAL meteorite name.
Abbreviation: NWA 14204
Observed fall: No
Year found: 2020
Country: (Northwest Africa)
Mass: 300 g

Classification
history:

Meteoritical Bulletin:	MB 110	(2022)	H5
Recommended:			H5 [explanation]

This is 1 of 11567 approved meteorites (plus 23 unapproved names) classified as H5. [show all]
Search for other: H chondrites, H chondrites (type 4-7), Ordinary chondrites, and Ordinary chondrites (type 4-7)

Comments:

Approved 18 Sep 2021

Writeup

Writeup from MB 110:

Northwest Africa 14204 (NWA 14204)

(Northwest Africa)

Purchased: 2020

Classification: Ordinary chondrite (H5)

History: Acquired by Daniel Sheikh from a meteorite dealer in Morocco. Later gifted to Marissa Fanady and Travis Rouzer.

Physical characteristics: Single stone with dark-brown fusion crust.

Petrography: (D. Sheikh, Cascadia) This sample is an ordinary chondrite containing secondary recrystallized feldspar (Av. 32±5 μm) and accessory Fe-Ni metal, troilite, and chromite.

Geochemistry: Olivine (Fa_19.1±0.3, range Fa_18.8-19.7, n=13), Low-Ca Pyroxene (Fs_17.7±0.7Wo_1.3±0.3, range Fs_17.0-18.9Wo_1.0-1.7, n=6).

Classification: Ordinary chondrite (H5).

Specimens: 35 g and a thin section at Cascadia; main mass with Marissa Fanady and Travis Rouzer.

Data from:
  MB110
  Table 0
  Line 0:

Place of purchase:	Morocco
Date:	P 2020
Mass (g):	300
Pieces:	3
Class:	H5
Shock stage:	S3
Weathering grade:	W2
Fayalite (mol%):	19.1±0.3
Ferrosilite (mol%):	17.7±0.7
Wollastonite (mol%):	1.3±0.3
Classifier:	D. Sheikh, Cascadia
Type spec mass (g):	35
Type spec location:	Cascadia
Main mass:	Marissa Fanady and Travis Rouzer
Comments:	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)

Catalogs:

References:

Published in Gattacceca J., McCubbin F.M., Grossman J., Bouvier A., Chabot N.L., D'Orazio M., Goodrich C., Greshake A., Gross J., Komatsu M., Miao B., and Schrader D. (2022) The Meteoritical Bulletin, No. 110. Meteorit. Planet. Sci. 1-4

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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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