header
  MetSoc Home            Publications            Contacts  
Search the Meteoritical Bulletin Database
Last update: 20 Jun 2022
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 14565
Basic information Name: Northwest Africa 14565
     This is an OFFICIAL meteorite name.
Abbreviation: NWA 14565
Observed fall: No
Year found: 2021
Country: (Northwest Africa)
Mass:help 500 g
Classification
  history:
Recommended:  Diogenite    [explanation]

This is 1 of 498 approved meteorites classified as Diogenite.   [show all]
Search for other: Achondrites, Diogenites, and HED achondrites
Comments: Approved 25 May 2022
Writeuphelp
Writeup from MB 111:

Northwest Africa 14565 (NWA 14565)

(Northwest Africa)

Purchased: 2021 Aug

Classification: HED achondrite (Diogenite)

History: Purchased by Shun-Chung Yang in August 2021 from a dealer in Tindouf, Algeria.

Petrography: (A. Irving, UWS and J. Boesenberg, Brown U.) Coarse grained assemblage (in part cataclastic) of predominantly orthopyroxene (~80 vol.%) and olivine (~17 vol.%) with accessory chromite, stained Fe metal, rare augite and rare troilite. Grainsizes are as follows: orthopyroxene (up to several millimeters), olivine (up to 0.75 mm) and chromite (up to 0.5 mm).

Geochemistry: Orthopyroxene (Fs22.2-23.8Wo1.0-1.9, FeO/MnO = 23-26, N = 20), olivine (Fa27.3-28.0, FeO/MnO = 41-44, N = 5).

Classification: Diogenite (olivine-orthopyroxenitic).

Specimens: 23.3 g including one polished thin section at UWB; remainder with Mr. S.-C. Yang.

Data from:
  MB111
  Table 0
  Line 0:
Place of purchase:Tindouf
Date:P 2021 Aug
Mass (g):500
Pieces:1
Class:Diogenite
Shock stage:low
Weathering grade:low
Fayalite (mol%):27.3-28.0
Ferrosilite (mol%):22.2-23.8
Wollastonite (mol%):1.0-1.9
Classifier:A. Irving, UWS, and J. Boesenberg, BrownU
Type spec mass (g):23.3
Type spec location:UWB
Main mass:S.-C. Yang
Comments:Work name SCY-50; 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)
BrownU: Brown University Providence, RI 02912, United States (institutional address; updated 7 Sep 2019)
Catalogs:
References: Published in Meteoritical Bulletin, no. 111, in preparation (2022)
Find references in NASA ADS:
Find references in Google Scholar:
Geography: 
Coordinates:Unknown.

Statistics:
     This is 1 of 8495 approved meteorites from (Northwest Africa) (plus 1899 unapproved names)

Direct link to this page