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Northwest Africa 8483
Basic information Name: Northwest Africa 8483
     This is an OFFICIAL meteorite name.
Abbreviation: NWA 8483
Observed fall: No
Year found: 2013
Country: (Northwest Africa)
Mass:help 61.5 g
Classification
  history:
Meteoritical Bulletin:  MB 103  (2014)  CV3
Recommended:  CV3    [explanation]

This is 1 of 536 approved meteorites (plus 1 unapproved name) classified as CV3.   [show all]
Search for other: Carbonaceous chondrites, Carbonaceous chondrites (type 3), CV chondrites, and CV-CK clan chondrites
Comments: Approved 26 Jul 2014
Writeuphelp
Writeup from MB 103:

Northwest Africa 8483 (NWA 8483)

(Northwest Africa)

Purchased: 2013 Apr 30

Classification: Carbonaceous chondrite (CV3)

History: Purchased in Erfoud, April 2013. Found in Western Sahara.

Physical characteristics: Three crusted stones. Cut surface reveals abundant brownish chondrules up to 3 mm, and CAI up to 1 mm set in a dark matrix.

Petrography: (C. Cournède and J. Gattacceca, CEREGE) Chondrules set in a fine-grained matrix. Chondrule:matrix ratio is about 60%:40%. Chondrule mean apparent size 0.78±0.58 mm (N=34).

Geochemistry: Olivine Fa4.8±4.0 (PMD=70%, n=18, range 0.5-14.1). Orthopyroxene Fs1.2±0.2 (PMD=13%, n=6, range Fs1.0-2.3). Magnetic susceptibility log χ = 4.13 (χ in 10-9 m3/kg).

Classification: Carbonaceous chondrite (CV3). Strong weathering.

Specimens: 12.4 g and a polished section in CEREGE. Main mass with P. Thomas

Data from:
  MB103
  Table 0
  Line 0:
Place of purchase:Erfoud, Morocco
Date:P 2013 Apr 30
Mass (g):61.5
Pieces:3
Class:CV3
Weathering grade:high
Fayalite (mol%):4.8±4.0 (PMD=70%, N=18)
Ferrosilite (mol%):1.2±0.2 (PMD=13%, N=6)
Wollastonite (mol%):1.8±1.1
Magnetic suscept.:4.13
Classifier:C. Cournède and J. Gattacceca, CEREGE
Type spec mass (g):12.4
Type spec location:CEREGE
Main mass:P. Thomas
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 29 Oct 2018)
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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Geography: 
Coordinates:Unknown.

Statistics:
     This is 1 of 7328 approved meteorites from (Northwest Africa) (plus 1973 unapproved names)

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