header
  MetSoc Home            Publications            Contacts  
Search the Meteoritical Bulletin Database
Last update: 14 Sep 2019
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 7830
Basic information Name: Northwest Africa 7830
     This is an OFFICIAL meteorite name.
Abbreviation: NWA 7830
Observed fall: No
Year found: 2013
Country: (Northwest Africa)
Mass:help 2.7 kg
Classification
  history:
Meteoritical Bulletin:  MB 102  (2013)  CK3
Recommended:  CK3    [explanation]

This is 1 of 41 approved meteorites classified as CK3.   [show all]
Search for other: Carbonaceous chondrites, Carbonaceous chondrites (type 3), CK chondrites, CK3 chondrites, and CV-CK clan chondrites
Comments: Approved 12 Sep 2013
Writeuphelp
Writeup from MB 102:

Northwest Africa 7830 (NWA 7830)

(Northwest Africa)

Purchased: 2013 Mar

Classification: Carbonaceous chondrite (CK3)

History: Purchased in Ouarzazate, Morocco in March 2013 by Mohamed Aid.

Petrography: (A. Irving and S. Kuehner, UWS) Unequilibrated specimen consisting of separated, round chondrules (some rimmed by magnetite) in a relatively abundant red-brown matrix. Olivine, orthopyroxene, diopside, intermediate plagioclase, relatively abundant Cr-bearing magnetite (partly altered to iron hydroxide) and minor pentlandite.

Geochemistry: Olivine (Fa10.4-33.1), orthopyroxene (Fs1.4-21.9Wo1.3-0.6), diopside (Fs0.5-0.7Wo44.2-44.1).

Classification: Carbonaceous chondrite (CK3).

Specimens: A total of 20.2 g of material and one polished thin section are on deposit at UWB. Mr. M. Aid holds the main mass.

Data from:
  MB102
  Table 0
  Line 0:
Place of purchase:Ouarzazate
Date:P 2013 Mar
Mass (g):2700
Pieces:1
Class:CK3
Shock stage:S2
Weathering grade:W2/3
Fayalite (mol%):10.4-33.1
Ferrosilite (mol%):1.4-21.9
Wollastonite (mol%):1.3-0.6
Classifier:A. Irving and S. Kuehner, UWS
Type spec mass (g):20.2
Type spec location:UWB
Main mass:M. Aid
Comments:133; 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. 102, MAPS 50, 1662, September 2015
Find references in NASA ADS:
Find references in Google Scholar:
Geography: 
Coordinates:Unknown.

Statistics:
     This is 1 of 6900 approved meteorites from (Northwest Africa) (plus 2035 unapproved names)

Direct link to this page