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Northwest Africa 12484
Basic information Name: Northwest Africa 12484
     This is an OFFICIAL meteorite name.
Abbreviation: NWA 12484
Observed fall: No
Year found: 2018
Country: Niger
Mass:help 1100 g
Classification
  history:
Recommended:  L3    [explanation]

This is 1 of 657 approved meteorites classified as L3.   [show all]
Search for other: L chondrites, L chondrites (type 3), Ordinary chondrites, and Ordinary chondrites (type 3)
Comments: Approved 16 Feb 2019
Writeuphelp
Writeup from MB 108:

Northwest Africa 12484 (NWA 12484)

Niger

Purchased: 2018 Oct 05

Classification: Ordinary chondrite (L3)

Physical characteristics: Several crusted stones and fragments

Petrography: Chondrite with packed and well-delineated chondrules. Chondrule mesosatis is devitrified. Opaques are Fe,Ni metal, and troilite.

Geochemistry: Olivine Fa24.2±5.6, Fa PMD=19%, Cr2O3 0.04±0.02 wt% (n=9). low-Ca pyroxene Fs11.0±6.5Wo0.9±1.4 (n=6). Magnetic susceptibility log χ (× 10-9 m3/kg) = 4.64.

Classification: Ordinary chondrite (L3). L group form magnetic susceptibility.

Specimens: Type specimen at CEREGE

Data from:
  MB108
  Table 0
  Line 0:
Place of purchase:Nouakchott, Mauritania
Date:P 2018 Oct 05
Mass (g):1100
Pieces:9
Class:L3
Weathering grade:W1
Fayalite (mol%):24.2±5.6 (n=9)
Ferrosilite (mol%):11.0±6.5 (n=6)
Wollastonite (mol%):0.9±1.4
Magnetic suscept.:4.64
Classifier:L.K. Ruggiu, J. Gattacceca, CEREGE
Type spec mass (g):22.02
Type spec location:CEREGE
Main mass:Albert Jambon
Comments:work name IK18100SE; submitted by JérômeGattacceca
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. 108, in preparation (2019)
Find references in NASA ADS:
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Geography:

Niger
Coordinates:Unknown.

Statistics:
     This is 1 of 42 approved meteorites from Niger (plus 2 unapproved names)

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