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Northwest Africa 14100
Basic information Name: Northwest Africa 14100
     This is an OFFICIAL meteorite name.
Abbreviation: NWA 14100
Observed fall: No
Year found: 2021
Country: Algeria
Mass:help 561 g
Classification
  history:
Recommended:  CV3    [explanation]

This is 1 of 583 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 8 Aug 2021
Writeuphelp
Writeup from MB 110:

Northwest Africa 14100 (NWA 14100)

Algeria

Purchased: 2021

Classification: Carbonaceous chondrite (CV3)

Physical characteristics: Brownish stone without fusion crust. Cut face reveals large chondrules and CAIs set in a brownish matrix.

Petrography: (J. Gattacceca, CEREGE) Chondrite with mm-size chondrules and CAIs set in an abundant fine-grained iron-rich matrix. Almost all primary opaques have been lost to terrestrial weathering.

Geochemistry: Olivine Fa15.6±17.3, range Fa1.1-47.5 (n=7). Ca-pyroxene Fs1.1Wo30.0 (n=1). Defocused analyses of the matrix: FeO 35.0 wt%, analytical total 87.7 wt%

Classification: Carbonaceous chondrite (CV3). The very high terrestrial weathering prevents analyzing the sulfides and deciding betwwen CVox and CVred.

Specimens: Type specimen at CEREGE. Main mass with Isabelle Pothier.

Data from:
  MB110
  Table 0
  Line 0:
Date:P 2021
Mass (g):561
Pieces:5
Class:CV3
Weathering grade:high
Fayalite (mol%):15.6±17.3 (n=7)
Ferrosilite (mol%):1.0 (n=1)
Wollastonite (mol%):2.9
Magnetic suscept.:3.11
Classifier:J. Gattacceca, CEREGE
Type spec mass (g):20.4
Type spec location:CEREGE
Main mass:Isabelle Pothier
Finder:anonymous
Comments:work name CM77; submitted by Jérôme 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. 110, in preparation (2021)
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Photos:
CreditPhotos
Photos uploaded by members of the Encyclopedia of Meteorites.
    (Caution, these are of unknown reliability)
Denis gourgues      
Geography:

Algeria
Coordinates:Unknown.

Statistics:
     This is 1 of 1187 approved meteorites from Algeria (plus 28 unapproved names) (plus 4 impact craters)

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