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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:
Recommended:  L3    [explanation]

This is 1 of 824 approved meteorites (plus 1 unapproved name) 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 Meteoritical Bulletin, no. 112, in preparation (2023)
Find references in NASA ADS:
Find references in Google Scholar:
Geography: 
Coordinates:Unknown.

Statistics:
     This is 1 of 9429 approved meteorites from (Northwest Africa) (plus 1876 unapproved names)

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