header
  MetSoc Home            Publications            Contacts  
Search the Meteoritical Bulletin Database
Last update: 17 Oct 2021
Search for: Search type: Search limits: Display: Publication:
Names
Text help
Places
Classes
Years
Contains
Starts with
Exact
Sounds like
NonAntarctic
Falls  Non-NWAs
What's new
  in the last:
Limit to approved meteorite names
Search text:  
Northwest Africa 10490
Basic information Name: Northwest Africa 10490
     This is an OFFICIAL meteorite name.
Abbreviation: NWA 10490
Observed fall: No
Year found: 2015
Country: (Northwest Africa)
Mass:help 824 g
Classification
  history:
Meteoritical Bulletin:  MB 105  (2016)  LL6
Recommended:  LL6    [explanation]

This is 1 of 2817 approved meteorites (plus 1 unapproved name) classified as LL6.   [show all]
Search for other: LL chondrites, LL chondrites (type 4-7), Ordinary chondrites, and Ordinary chondrites (type 4-7)
Comments: Approved 8 Jan 2016
Writeuphelp
Writeup from MB 105:

Northwest Africa 10490 (NWA 10490)

(Northwest Africa)

Purchased: 2015 Sep

Classification: Ordinary chondrite (LL6)

History: Purchased by John Higgins in September 2015 from a dealer in Laayoune, Morocco.

Petrography: (A. Irving, UWS) Mostly recrystallized with rare partial chondrule remnants.

Geochemistry: (P. Carpenter, WUSL) Olivine (Fa30.2-30.4, N = 3), orthopyroxene (Fs25.5-25.8Wo2.4-2.3, N = 3), plagioclase (An9.9Or2.8). Magnetic susceptibility log χ (× 10-9 m3/kg)=3.43.

Classification: Ordinary chondrite (LL6).

Specimens: 21 g including one polished thin section at UWB; main mass with Mr. J. Higgins.

Data from:
  MB105
  Table 0
  Line 0:
Place of purchase:Laayoune
Date:P 2015 Sep
Mass (g):824
Pieces:1
Class:LL6
Shock stage:S2
Weathering grade:W0/1
Fayalite (mol%):30.2-30.4
Ferrosilite (mol%):25.5-25.8
Wollastonite (mol%):2.4-2.3
Magnetic suscept.:3.43
Classifier:A. Irving and P. Carpenter, UWS
Type spec mass (g):21
Type spec location:UWB
Main mass:J. Higgins
Comments:JH15-8; submitted by A. Irving
Institutions
   and collections
UWS: University of Washington, Department of Earth and Space Sciences, 70 Johnson Hall, Seattle, WA 98195, United States (institutional address; updated 15 Jan 2012)
WUSL: Washington Univ., One Brookings Drive, St. Louis, MO 63130, United States (institutional address; updated 17 Oct 2011)
UWB: University of Washington, Box 353010 Seattle, WA 98195, United States (institutional address; updated 27 Jul 2012)
Catalogs:
References: Published in Meteoritical Bulletin, no. 105, MAPS 52, 2411, September 2017. http://onlinelibrary.wiley.com/doi/10.1111/maps.12944/full
Find references in NASA ADS:
Find references in Google Scholar:
Geography: 
Coordinates:Unknown.

Statistics:
     This is 1 of 7937 approved meteorites from (Northwest Africa) (plus 1960 unapproved names)

Direct link to this page