header
  MetSoc Home            Publications            Contacts  
Search the Meteoritical Bulletin Database
Last update: 7 Jul 2020
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:
Include past classifications in search
Limit to approved meteorite names
Search text:  
Northwest Africa 10702
Basic information Name: Northwest Africa 10702
     This is an OFFICIAL meteorite name.
Abbreviation: NWA 10702
Observed fall: No
Year found: 2015
Country: (Northwest Africa)
Mass:help 152.2 g
Classification
  history:
Meteoritical Bulletin:  MB 105  (2016)  L4/5
Recommended:  L4/5    [explanation]

This is 1 of 77 approved meteorites (plus 1 unapproved name) classified as L4/5.   [show all]
Search for other: L chondrites, L chondrites (type 4-7), Ordinary chondrites, and Ordinary chondrites (type 4-7)
Comments: Approved 7 Jul 2016
Writeuphelp
Writeup from MB 105:

Northwest Africa 10702 (NWA 10702)

(Northwest Africa)

Purchased: 2015 Aug

Classification: Ordinary chondrite (L4/5)

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

Petrography: (A. Irving and S. Kuehner, UWS) Fairly well-formed chondrules (up to 2 mm in diameter) occur in a recrystallized matrix containing lightly stained metal.

Geochemistry: Olivine (Fa26.2-26.3, N = 3), orthopyroxene (Fs20.5-20.6Wo1.4-1.7, N = 3), clinopyroxene (Fs7.1-7.7Wo45.7-44.9, N = 2).

Classification: Ordinary chondrite (L4/5).

Specimens: 24.2 g including one polished thin section at UWB; remainder with Mr. J. Higgins.

Data from:
  MB105
  Table 0
  Line 0:
Place of purchase:Laayoune
Date:P 2015 Aug
Mass (g):152.2
Pieces:1
Class:L4/5
Shock stage:S2
Weathering grade:W0/1
Fayalite (mol%):26.2-26.3
Ferrosilite (mol%):21.7-21.8
Wollastonite (mol%):1.3-1.4
Classifier:A. Irving and S. Kuehner, UWS
Type spec mass (g):24.2
Type spec location:UWB
Main mass:J. Higgins
Comments:JH16-4; 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)
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 7328 approved meteorites from (Northwest Africa) (plus 1973 unapproved names)

Direct link to this page