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Northwest Africa 16280
Basic information Name: Northwest Africa 16280
     This is an OFFICIAL meteorite name.
Abbreviation: NWA 16280
Observed fall: No
Year found: 2022
Country: (Northwest Africa)
Mass:help 948 g
Classification
  history:
Meteoritical Bulletin:  MB 112  (2024)  L3
Recommended:  L3    [explanation]

This is 1 of 859 approved meteorites (plus 2 unapproved names) classified as L3.   [show all]
Search for other: L chondrites, L chondrites (type 3), Ordinary chondrites, and Ordinary chondrites (type 3)
Comments: Approved 18 Nov 2023
Writeuphelp
Writeup from MB 112:

Northwest Africa 16280 (NWA 16280)

(Northwest Africa)

Purchased: 2022 Apr

Classification: Ordinary chondrite (L3)

History: Jason Whitcomb purchased multiple small stones from a Moroccan dealer in April 2022

Petrography: (J. Gattacceca. CEREGE) Chondrite with packed well-delineated chondrules with average apparent diameter 830±405 µm (n=17). Chondrule mesostasis is devitrified. Olivine are chemically zoned. Opaque minerals are metal and troilite. Dusty olivines are present.

Geochemistry: Olivine Fa18.8±11.6, range Fa0.7-35.7, Fa PMD 51% (n=6). Cr2O3 in ferroan olivine 0.09±0.05 wt% (n=5). Low-Ca pyroxene Fs8.9±10.5Wo1.4±1.7, range Fs1.0-33.5 (n=9).

Classification: Ordinary chondrite (L3). L group based on petrography and magnetic susceptibility.

Specimens: Type specimen at CEREGE. main mass at Whitcomb Meteorite Collection

Data from:
  MB112
  Table 0
  Line 0:
Date:P 2022 Apr
Mass (g):948
Pieces:many
Class:L3
Weathering grade:W1
Fayalite (mol%):18.8±11.6 (n=6)
Ferrosilite (mol%):8.9±10.5 (n=9)
Wollastonite (mol%):1.4±1.7
Magnetic suscept.:4.63
Classifier:J. Gattacceca, CEREGE
Type spec mass (g):21
Type spec location:CEREGE
Main mass:Whitcomb Meteorite Collection
Finder:anonymous
Comments:work name JW175; submitted by Jerome 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 10 Jun 2023)
Catalogs:
References: Published in Gattacceca J., McCubbin F. M., Grossman J. N., Schrader D. L., Cartier C., Consolmagno G., Goodrich C., Greshake A., Gross J., Joy K. H., Miao B. and Zhang B. (2024) The Meteoritical Bulletin, no. 112. Meteoritics & Planetary Science 59, 1820–1823. ?
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Geography: 
Coordinates:Unknown.

Statistics:
     This is 1 of 9829 approved meteorites from (Northwest Africa) (plus 1851 unapproved names)

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