header
  MetSoc Home            Publications            Contacts  
Search the Meteoritical Bulletin Database
Last update: 4 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:
Limit to approved meteorite names
Search text:  
Northwest Africa 10544
Basic information Name: Northwest Africa 10544
     This is an OFFICIAL meteorite name.
Abbreviation: NWA 10544
Observed fall: No
Year found: 2015
Country: (Northwest Africa)
Mass:help 84.2 g
Classification
  history:
Meteoritical Bulletin:  MB 105  (2016)  Lodranite
Recommended:  Lodranite    [explanation]

This is 1 of 81 approved meteorites classified as Lodranite.   [show all]
Search for other: Acapulcoite-lodranite family, Lodranites, and Primitive achondrites
Comments: Approved 27 Feb 2016
Writeuphelp
Writeup from MB 105:

Northwest Africa 10544 (NWA 10544)

(Northwest Africa)

Purchased: 2015 Oct

Classification: Primitive achondrite (Lodranite)

History: Purportedly found in Mauritania and purchased by Darryl Pitt in October 2015 from a dealer in Guelmim, Morocco.

Petrography: (A. Irving and S. Kuehner, UWS) Protogranular aggregate (grainsize up to 2.6 mm) of orthopyroxene, olivine and clinopyroxene with accessory oligoclase, kamacite, troilite, chromite, chlorapatite and minor secondary barite. Kamacite has been extensively altered to orange goethite, which also occurs along grain boundaries.

Geochemistry: Olivine (Fa15.0-15.2, FeO/MnO = 27, N = 3), orthopyroxene (Fs13.1-13.4Wo2.3-2.6, FeO/MnO = 16, N = 3), clinopyroxene (Fs5.2-5.8Wo44.7-42.4, FeO/MnO = 11-12, N = 2), plagioclase (An17.0-19.5Or5.2-3.8, N = 2).

Classification: Lodranite.

Specimens: 16.9 g including one polished thin section at UWB; remainder with DPitt.

Data from:
  MB105
  Table 0
  Line 0:
Place of purchase:Guelmim
Date:P 2015 Oct
Mass (g):84.2
Pieces:1
Class:Lodranite
Shock stage:low
Weathering grade:high
Fayalite (mol%):15.0-15.2
Ferrosilite (mol%):13.1-13.4; 5.2-5.8
Wollastonite (mol%):2.3-2.6; 44.7-42.4
Classifier:A. Irving and S. Kuehner, UWS
Type spec mass (g):16.9
Type spec location:UWB
Main mass:D. Pitt
Comments:MCVICH 007; 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)
DPitt: Darryl Pitt, 225 West 83rd Street, New York, NY 10024, United States; Website (private address)
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 7320 approved meteorites from (Northwest Africa) (plus 1973 unapproved names)

Direct link to this page