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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:
Recommended:  L6    [explanation]

This is 1 of 12583 approved meteorites (plus 8 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 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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