Meteoritical Bulletin: Entry for Northwest Africa 10466

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Northwest Africa 10466

Basic information

Name: Northwest Africa 10466
This is an OFFICIAL meteorite name.
Abbreviation: NWA 10466
Observed fall: No
Year found: 2015
Country: (Northwest Africa)
Mass: 1202 g

Classification
history:

Meteoritical Bulletin:	MB 105	(2016)	Eucrite-unbr
Recommended:			Eucrite-unbr [explanation]

This is 1 of 138 approved meteorites classified as Eucrite-unbr. [show all]
Search for other: Achondrites, Eucrites, and HED achondrites

Comments:

Approved 24 Jan 2016

Writeup

Writeup from MB 105:

Northwest Africa 10466 (NWA 10466)

(Northwest Africa)

Purchased: 2015 Jul

Classification: HED achondrite (Eucrite, unbrecciated)

History: Found in far-western Algeria in early June 2015.

Physical characteristics: Single stone with fusion crust. A sawn surface shows a fine-grained mixture of plagioclase and pyroxene, with light gray color.

Petrography: (C. Agee, UNM) Pyroxene (~60%) and plagioclase (~35%) are the major minerals in this meteorite. Accessory silica, ilmenite, and troilite were observed.

Geochemistry: (C. Agee and N. Muttik, UNM) Low-Ca pyroxene Fs_63.5±0.3Wo_2.0±0.2, Fe/Mn=33±1, n=6; high-Ca pyroxene Fs_28.3±1.4Wo_43.2±1.8, Fe/Mn=32±2, n=6; plagioclase An_86.3±5.2, n=2.

Classification: Unbrecciated, equilibrated, basaltic eucrite

Specimens: 21.6 g including a probe mount on deposit at UNM, DPitt holds the main mass.

Data from:
  MB105
  Table 0
  Line 0:

Date:	P 2015 Jul
Mass (g):	1202.1
Pieces:	1
Class:	Eucrite-unbr
Shock stage:	moderate
Weathering grade:	low
Ferrosilite (mol%):	63.5±0.3, 28.3±1.4
Wollastonite (mol%):	2.0±0.2, 43.2±1.8
Classifier:	C. Agee, UNM
Type spec mass (g):	21.6
Type spec location:	UNM
Main mass:	DPitt
Comments:	Field name MAC 157; submitted by C. Agee, UNM

Institutions
and collections

UNM: Institute of Meteoritics MSC03 2050 University of New Mexico Albuquerque NM 87131-1126 USA, United States; Website (institutional address; updated 12 Feb 2015)
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

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Geography:

Coordinates:

Unknown.

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

Also see:

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Revision
history:

This lists important revisions made to data for this record.

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