Meteoritical Bulletin: Entry for Northwest Africa 10150

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Northwest Africa 10150

Basic information

Name: Northwest Africa 10150
This is an OFFICIAL meteorite name.
Abbreviation: NWA 10150
Observed fall: No
Year found: 2014
Country: (Northwest Africa)
Mass: 425 g

Classification
history:

Meteoritical Bulletin:	MB 104	(2015)	Lodranite
Recommended:			Lodranite [explanation]

This is 1 of 93 approved meteorites classified as Lodranite. [show all]
Search for other: Acapulcoite-lodranite family, Lodranites, and Primitive achondrites

Comments:

Approved 11 Jun 2015

Writeup

Writeup from MB 104:

Northwest Africa 10150 (NWA 10150)

(Northwest Africa)

Purchased: 2014 Sep

Classification: Primitive achondrite (Lodranite)

History: Purchased by Stefan Ralew in September 2014 from a dealer in Zagora, Morocco.

Petrography: (A. Irving and S. Kuehner, UWS) Matrix-poor breccia composed mainly of coarse mineral grains (up to 5.5 mm) of olivine, orthopyroxene, clinopyroxene, chromite, kamacite (altered to iron hydroxides) and troilite. Olivine contains numerous tiny inclusions composed of chromite+clinopyroxene.

Geochemistry: Olivine (Fa_10.4-10.9, FeO/MnO = 21-23, N = 3), orthopyroxene (Fs_9.1-9.4Wo_1.1-3.2, FeO/MnO = 14-15, N = 2), clinopyroxene (Fs_3.5-3.7Wo_44.7-45.5, FeO/MnO = 7-10, N = 2).

Classification: Lodranite. Paired with NWA 10145.

Specimens: 20.8 g including one polished thin section at UWB. The remainder is held by Ralew.

Data from:
  MB104
  Table 0
  Line 0:

Place of purchase:	Zagora
Date:	P 2014 Sep
Mass (g):	425
Pieces:	1
Class:	Lodranite
Shock stage:	low
Weathering grade:	moderate
Fayalite (mol%):	10.4-10.9
Ferrosilite (mol%):	9.1-9.4; 3.5-3.7
Wollastonite (mol%):	1.1-3.2; 44.7-45.5
Classifier:	A. Irving and S. Kuehner, UWS
Type spec mass (g):	20.8
Type spec location:	UWB
Main mass:	S. Ralew
Comments:	RA15-2-1; 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, Burke Museum of Natural History and Culture, Box 353010 Seattle, WA 98195, United States (institutional address; updated 9 Oct 2023)
Ralew: Stefan Ralew, Kunibertstraße 29, 12524 Berlin, Germany; Website (private address)

Catalogs:

References:

Published in Meteoritical Bulletin, no. 104, MAPS 52, 2284, Octover 2017, http://onlinelibrary.wiley.com/doi/10.1111/maps.12930/full

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Geography:

Coordinates:

Unknown.

Statistics:
This is 1 of 9710 approved meteorites from (Northwest Africa) (plus 1853 unapproved names)

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Revision
history:

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