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Northwest Africa 16182
Basic information Name: Northwest Africa 16182
     This is an OFFICIAL meteorite name.
Abbreviation: NWA 16182
Observed fall: No
Year found: 2022
Country: (Northwest Africa)
Mass:help 250 g
Classification
  history:
Recommended:  H5    [explanation]

This is 1 of 11372 approved meteorites (plus 22 unapproved names) classified as H5.   [show all]
Search for other: H chondrites, H chondrites (type 4-7), Ordinary chondrites, and Ordinary chondrites (type 4-7)
Comments: Approved 3 Sep 2023
Writeuphelp
Writeup from MB 112:

Northwest Africa 16182 (NWA 16182)

(Northwest Africa)

Purchased: 2022

Classification: Ordinary chondrite (H5)

History: Acquired online by Jules Michels from Topher Spinnato in 2022.

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

Petrography: (D. Sheikh, Cascadia) Sample is an equilibrated ordinary chondrite containing secondary recrystallized feldspar (Av. ~12 μm), and accessory Fe-Ni metal, troilite, and chromite.

Geochemistry: Olivine (Fa19.4±0.4, range Fa18.7-21.0, n=68), Low-Ca Pyroxene (Fs17.1±0.3Wo1.1±0.2, range Fs16.6-18.1Wo0.9-1.8, n=36).

Classification: Ordinary Chondrite (H5).

Specimens: 21.9 grams at Cascadia, main mass with Jules Michels.

Data from:
  MB112
  Table 0
  Line 0:
Place of purchase:online
Date:P 2022
Mass (g):249.6
Pieces:1
Class:H5
Shock stage:S3
Weathering grade:W3
Fayalite (mol%):19.4±0.4
Ferrosilite (mol%):17.1±0.3
Wollastonite (mol%):1.1±0.2
Classifier:D. Sheikh, Cascadia
Type spec mass (g):21.9
Type spec location:Cascadia
Main mass:Jules Michels
Comments:CML 1543; 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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