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Northwest Africa 16262
Basic information Name: Northwest Africa 16262
     This is an OFFICIAL meteorite name.
Abbreviation: NWA 16262
Observed fall: No
Year found: 2023
Country: (Northwest Africa)
Mass:help 4.59 kg
Classification
  history:
Meteoritical Bulletin:  MB 112  (2024)  L6
Recommended:  L6    [explanation]

This is 1 of 13099 approved meteorites (plus 11 unapproved names) classified as L6.   [show all]
Search for other: L chondrites, L chondrites (type 4-7), Ordinary chondrites, and Ordinary chondrites (type 4-7)
Comments: Approved 30 Sep 2023
Writeuphelp
Writeup from MB 112:

Northwest Africa 16262 (NWA 16262)

(Northwest Africa)

Purchased: February 2023

Classification: Ordinary chondrite (L6)

History: Purchased in February 2023 by Richard Rexeisen at the Tucson Gem and Mineral show in Tucson, AZ.

Physical characteristics: Single stone with a moderately weathered dark brown fusion crust.

Petrography: (D. Sheikh, Cascadia) Specimen is an equilibrated ordinary chondrite comprised of few chondrules, secondary recrystallized feldspar (~ 60 μm), and accessory Fe-Ni metal, troilite, and chromite.

Geochemistry: Olivine (Fa25.9±0.2, range Fa25.5-26.5, n=42), Low-Ca Pyroxene (Fs21.7±0.2Wo1.5±0.2, range Fs21.2-22.4Wo1.2-1.8, n=30).

Classification: Ordinary chondrite (L6).

Specimens: 22.6 g at Cascadia, main mass with Richard Rexeisen.

Data from:
  MB112
  Table 0
  Line 0:
Place of purchase:Tucson, AZ
Date:P February 2023
Mass (g):4588
Pieces:1
Class:L6
Shock stage:S3
Weathering grade:W3
Fayalite (mol%):25.9±0.2
Ferrosilite (mol%):21.7±0.2
Wollastonite (mol%):1.5±0.2
Classifier:D. Sheikh, Cascadia
Type spec mass (g):22.6
Type spec location:Cascadia
Main mass:Richard Rexeisen
Comments:CML 1641; submitted by Daniel Sheikh
Institutions
   and collections		 Cascadia: Cascadia Meteorite Laboratory, Portland State University, Department of Geology, Room 17 Cramer Hall, 1721 SW Broadway, Portland, OR 97201, United States; Website (institutional address; updated 28 Oct 2011)
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 9933 approved meteorites from (Northwest Africa) (plus 1837 unapproved names)

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