header
  MetSoc Home            Publications            Contacts  
Search the Meteoritical Bulletin Database
Last update: 22 Nov 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:
Limit to approved meteorite names
Search text:  
Northwest Africa 7716
Basic information Name: Northwest Africa 7716
     This is an OFFICIAL meteorite name.
Abbreviation: NWA 7716
Observed fall: No
Year found: 2012
Country: (Northwest Africa)
Mass:help 2.52 kg
Classification
  history:
Meteoritical Bulletin:  MB 102  (2013)  Pallasite
Recommended:  Pallasite    [explanation]

This is 1 of 58 approved meteorites classified as Pallasite.   [show all]
Search for other: Metal-rich meteorites, Pallasites
Comments: Approved 14 Nov 2013
Writeuphelp
Writeup from MB 102:

Northwest Africa 7716 (NWA 7716)

(Northwest Africa)

Purchased: 2012 Jan

Classification: Pallasite

History: Purchased by John Higgins in January 2012 from a dealer in Ouarzazate, Morocco.

Physical characteristics: A group of 40 small weathered stones.

Petrography: (A. Irving and S. Kuehner, UWS) This extensively weathered specimen now consists of fragments of fresh olivine (with rare troilite inclusions) cross-cut by veinlets of iron hydroxides containing some remnant kamacite and taenite.

Geochemistry: Olivine (Fa13.7±0.1, n = 3; FeO/MnO = 39-42).

Classification: Pallasite.

Specimens: 40 g of material and one polished thin section are at UWB. The remaining material is held by Mr. J. Higgins.

Data from:
  MB102
  Table 0
  Line 0:
Place of purchase:Ouarzazate
Date:P 2012 Jan
Mass (g):2517
Pieces:many
Class:Pallasite
Shock stage:low
Weathering grade:W4
Fayalite (mol%):13.7±0.1 (n = 3)
Classifier:A. Irving and S. Kuehner, UWS
Type spec mass (g):40
Type spec location:UWB
Main mass:J. Higgins
Comments:JH13-2; 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:
Photos:
CreditPhotos
Photos uploaded by members of the Encyclopedia of Meteorites.
    (Caution, these are of unknown reliability)
Denis gourgues            
Piotr gural100         
Geography: 
Coordinates:Unknown.

Statistics:
     This is 1 of 7472 approved meteorites from (Northwest Africa) (plus 1988 unapproved names)

Direct link to this page