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Northwest Africa 12464
Basic information Name: Northwest Africa 12464
     This is an OFFICIAL meteorite name.
Abbreviation: NWA 12464
Observed fall: No
Year found: 2018
Country: (Northwest Africa)
Mass:help 597 g
Classification
  history:
Recommended:  LL3.15    [explanation]

This is 1 of 7 approved meteorites classified as LL3.15.   [show all]
Search for other: LL chondrites, LL chondrites (type 3), Ordinary chondrites, and Ordinary chondrites (type 3)
Comments: Approved 22 Feb 2019
Writeuphelp
Writeup from MB 108:

Northwest Africa 12464 (NWA 12464)

(Northwest Africa)

Purchased: 2018 March

Classification: Ordinary chondrite (LL3.15)

Petrography: Chondrite with packed, well-delineated chondrules, with average apparent diameter 690±360 μm (n=40). Main opaques are metal, troilite, and their terrestrial weathering products. Chondrule mesostasis is devitrified. Zoned olivine.

Geochemistry: Olivine Fa12.8±9.1, Fa PMD 56%, range Fa0.4-32.6 (n=16). Cr2O3 in ferroan olivine 0.20±0.18 wt% (n=12). Orthopyroxene Fs8.2±7.4Wo1.6±1.1 (n=7). Magnetic susceptibility log χ (× 10-9 m3/kg) = 3.95.

Classification: LL3.15. LL group from magnetic susceptibility. Subtype from Cr2O3 content of ferroan olivine.

Specimens: Type specimen at CEREGE

Data from:
  MB108
  Table 0
  Line 0:
Place of purchase:Zagora, Morocco
Date:P 2018 March
Mass (g):597
Pieces:2
Class:LL3.15
Weathering grade:W3
Fayalite (mol%):12.8±9.1 (n=16)
Ferrosilite (mol%):8.2±7.4 (n=7)
Wollastonite (mol%):1.6±1.1
Magnetic suscept.:3.95
Classifier:J. Gattacceca, L. Krämer Ruggiu, CEREGE
Type spec mass (g):24.53
Type spec location:CEREGE
Main mass:Kuntz
Comments:work name K388; 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)
Kuntz: Fabien Kuntz, France; Website (private address)
Catalogs:
References: Published in Meteoritical Bulletin, no. 108, in preparation (2019)
Find references in NASA ADS:
Find references in Google Scholar:
Geography: 
Coordinates:Unknown.

Statistics:
     This is 1 of 6741 approved meteorites from (Northwest Africa) (plus 2032 unapproved names)

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