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Northwest Africa 12480
Basic information Name: Northwest Africa 12480
     This is an OFFICIAL meteorite name.
Abbreviation: NWA 12480
Observed fall: No
Year found: 2018
Country: (Northwest Africa)
Mass:help 90 g
Classification
  history:
Recommended:  Acapulcoite    [explanation]

This is 1 of 73 approved meteorites classified as Acapulcoite.   [show all]
Search for other: Acapulcoite-lodranite family, Acapulcoites, and Primitive achondrites
Comments: Approved 27 Mar 2019
Writeuphelp
Writeup from MB 108:

Northwest Africa 12480 (NWA 12480)

(Northwest Africa)

Purchased: 2018 Nov

Classification: Primitive achondrite (Acapulcoite)

Physical characteristics: Cut surface reveals a greenish and metal-rich interior.

Petrography: Strongly recrystallized texture with orthopyroxene (typical size 400 µm), Ca-pyroxene, plagioclase (typical size 200 µm) displaying triple junctions. Opaques are FeNi metal and troilite. No chondrule remnant was observed. Modal abundances (by point counting): plagioclase (14 vol%), pyroxene (66 vol%), FeNi metal (12 vol%), troilite (6 vol%).

Geochemistry: Orthopyroxene Fs11.2±0.2Wo2.1±0.3, FeO/MnO=13.5±2.1 (n=4), augite Fs4.7Wo45.0 (n=2), plagioclase An16.6Ab79.0Or4.4 (n=2).

Classification: Primitive achondrite (acapulcoite).

Specimens: Type specimen at CEREGE. Main mass with Nourddinez Azelmat

Data from:
  MB108
  Table 0
  Line 0:
Place of purchase:Guemim, Morocco
Date:P 2018 Nov
Mass (g):90
Pieces:3
Class:Acapulcoite
Weathering grade:minimal
Ferrosilite (mol%):11.2±0.2 (n=4)
Wollastonite (mol%):2.1±0.3
Magnetic suscept.:5.08
Classifier:J. Gattacceca, L. Krämer Ruggiu, CEREGE
Type spec mass (g):25
Type spec location:CEREGE
Main mass:Nourddinez Azelmat
Comments:work name NA005/SP5; 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. 108, in preparation (2019)
Find references in NASA ADS:
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Geography: 
Coordinates:Unknown.

Statistics:
     This is 1 of 6709 approved meteorites from (Northwest Africa) (plus 2022 unapproved names)

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