Meteoritical Bulletin: Entry for Northwest Africa 8445

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Northwest Africa 8445

Basic information

Name: Northwest Africa 8445
This is an OFFICIAL meteorite name.
Abbreviation: NWA 8445
Observed fall: No
Year found: 2014
Country: (Northwest Africa)
Mass: 42.5 g

Classification
history:

Meteoritical Bulletin:	MB 103	(2014)	CV3
Recommended:			CV3 [explanation]

This is 1 of 470 approved meteorites (plus 2 unapproved names) classified as CV3. [show all]
Search for other: Carbonaceous chondrites, Carbonaceous chondrites (type 3), CV chondrites, and CV-CK clan chondrites

Comments:

Approved 23 Jun 2014

Writeup

Writeup from MB 103:

Northwest Africa 8445 (NWA 8445)

(Northwest Africa)

Purchased: 2014

Classification: Carbonaceous chondrite (CV3)

History: Purchased in Morocco in 2014

Physical characteristics: A single crusted stone. Cut surface reveals abundant brownish chondrules up to 4 mm, and CAI up to 5 mm set in a dark matrix.

Petrography: Chondrules and CAIs set in a fine-grained matrix. Chondrule:matrix ratio is about 1:1. Chondrule mean apparent size 1.1±0.1 mm (n=25). Dusty olivines present.

Geochemistry: Olivine Fa_3.3±2.7(PMD=72%, n=11, range 0.5-8.5). Orthopyroxene Fs_3.0±3.7(PMD=91%, n=6, range 0.7-11.1). Magnetic susceptibility log χ = 4.64 (χ in 10^-9 m³/kg)

Classification: Carbonaceous chondrite (CV3). Severe weathering.

Specimens: 9.9 g and a polished section in CEREGE. Main mass with Pierre-Marie Pelé

Data from:
  MB103
  Table 0
  Line 0:

Place of purchase:	Morocco
Date:	P 2014
Mass (g):	42.48
Pieces:	1
Class:	CV3
Weathering grade:	Severe
Fayalite (mol%):	3.3±2.7 (PMD=72%, N=11)
Ferrosilite (mol%):	3.0±3.7 (PMD=91%, N=6)
Wollastonite (mol%):	1.0±0.1
Magnetic suscept.:	4.64
Classifier:	C. Cournède and J. Gattacceca, CEREGE
Type spec mass (g):	9.9
Type spec location:	CEREGE
Main mass:	Pierre-Marie Pelé
Comments:	Submitted by J. Gattacceca

Institutions
and collections

CEREGE: CEREGE BP 80 Avenue Philibert, Technopole de l'Arbois 13545 Aix-en-Provence Cedex 4 France, France (institutional address; updated 10 Jun 2023)

Catalogs:

References:

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