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Northwest Africa 17023
Basic information Name: Northwest Africa 17023
     This is an OFFICIAL meteorite name.
Abbreviation: NWA 17023
Observed fall: No
Year found: 2021
Country: (Northwest Africa)
Mass:help 1732 g
Classification
  history:
Recommended:  H5    [explanation]

This is 1 of 12057 approved meteorites (plus 23 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 5 Sep 2024
Writeuphelp
Writeup from MB 113:

Northwest Africa 17023 (NWA 17023)

(Northwest Africa)

Purchased: Aug 2021

Classification: Ordinary chondrite (H5)

History: Jason Whitcomb purchased a single stone from a Moroccan dealer in August 2021.

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

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

Geochemistry: Olivine (Fa18.4±0.4, range Fa17.8-19.6, n=43), Low-Ca Pyroxene (Fs16.1±0.5Wo1.4±0.7, range Fs14.1-16.9Wo0.9-3.3, n=36).

Classification: Ordinary Chondrite (H5).

Specimens: 23.9 g and a polished thin section at Cascadia, main mass with Jason Whitcomb.

Data from:
  MB113
  Table 0
  Line 0:
Place of purchase:Morocco
Date:P Aug 2021
Mass (g):1732
Pieces:1
Class:H5
Shock stage:S3
Weathering grade:W2
Fayalite (mol%):18.4±0.4
Ferrosilite (mol%):16.1±0.5
Wollastonite (mol%):1.4±0.7
Magnetic suscept.:5.23
Classifier:D. Sheikh, Cascadia
Type spec mass (g):23.9
Type spec location:Cascadia
Main mass:Whitcomb Meteorite Collection
Comments:CML 1583; JW-98; 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. 113, in preparation (2024)
Find references in NASA ADS:
Find references in Google Scholar:
Geography: 
Coordinates:Unknown.

Statistics:
     This is 1 of 9933 approved meteorites from (Northwest Africa) (plus 1837 unapproved names)

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