Meteoritical Bulletin: Entry for Northwest Africa 8449

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Northwest Africa 8449

Basic information

Name: Northwest Africa 8449
This is an OFFICIAL meteorite name.
Abbreviation: NWA 8449
Observed fall: No
Year found: 2014
Country: (Northwest Africa)
Mass: 20.2 g

Classification
history:

Meteoritical Bulletin:	MB 103	(2014)	L4
Recommended:			L4 [explanation]

This is 1 of 2024 approved meteorites (plus 4 unapproved names) classified as L4. [show all]
Search for other: L chondrites, L chondrites (type 4-7), Ordinary chondrites, and Ordinary chondrites (type 4-7)

Comments:

Approved 16 Jun 2014

Writeup

Writeup from MB 103:

Northwest Africa 8449 (NWA 8449)

(Northwest Africa)

Purchased: 2014 Jan

Classification: Ordinary chondrite (L4)

History: Purchased by Pierre-Marie Pele in January 2014 from a dealer in Tagounite, Morocco.

Petrography: (A. Irving and S. Kuehner, UWS) Closely-packed, well-formed, medium-sized chondrules (0.6-1.8 mm) are set in a relatively coarse grained matrix.

Geochemistry: Olivine (Fa_23.3-24.5), orthopyroxene (Fs_19.3-20.3Wo_0.3-1.5), clinopyroxene (Fs_8.5-9.0Wo_41.9-46.0).

Classification: Ordinary chondrite (L4).

Specimens: Type specimen plus one polished thin section are at PSF; main mass with Mr. P. Pele.

Data from:
  MB103
  Table 0
  Line 0:

Place of purchase:	Tagounite
Date:	P 2014 Jan
Mass (g):	20.15
Pieces:	1
Class:	L4
Shock stage:	S2
Weathering grade:	W1
Fayalite (mol%):	23.3-24.5
Ferrosilite (mol%):	19.3-20.3
Wollastonite (mol%):	0.3-1.5
Classifier:	A. Irving and S. Kuehner, UWS
Type spec mass (g):	4.36
Type spec location:	PSF
Main mass:	P. Pele
Comments:	Chon2h; submitted by P. Sipiera

Institutions
and collections

PSF: Planetary Studies Foundation,10 Winterwood Lane, Unit B, Galena, Illinois 61036-9283, United States; Website (institutional address; updated 1 Dec 2011)
UWS: University of Washington, Department of Earth and Space Sciences, 70 Johnson Hall, Seattle, WA 98195, United States (institutional address; updated 15 Jan 2012)

Catalogs:

References:

Published in Meteoritical Bulletin, no. 103, MAPS 52, 1014, May 2017, http://onlinelibrary.wiley.com/doi/10.1111/maps.12888/full

Find references in NASA ADS:
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Photos:

Credit	Photos
Photos uploaded by members of the Encyclopedia of Meteorites. (Caution, these are of unknown reliability)
Paulo Anselmo Matioli (JN Science Museum)

Geography:

Coordinates:

Unknown.

Statistics:
This is 1 of 9305 approved meteorites from (Northwest Africa) (plus 1873 unapproved names)

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