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Northwest Africa 10468
Basic information Name: Northwest Africa 10468
     This is an OFFICIAL meteorite name.
Abbreviation: NWA 10468
Observed fall: No
Year found: 2015
Country: (Northwest Africa)
Mass:help 225 g
Classification
  history:
Meteoritical Bulletin:  MB 105  (2016)  Eucrite-unbr
Recommended:  Eucrite-unbr    [explanation]

This is 1 of 90 approved meteorites classified as Eucrite-unbr.   [show all]
Search for other: Achondrites, Eucrites, and HED achondrites
Comments: Approved 24 Jan 2016
Writeuphelp
Writeup from MB 105:

Northwest Africa 10468 (NWA 10468)

(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, some iron staining present.

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

Geochemistry: (C. Agee and N. Muttik, UNM) Low-Ca pyroxene Fs61.9±0.9Wo1.9±0.8, Fe/Mn=34±1, n=8; high-Ca pyroxene Fs35.8±9.9Wo33.1±10.9, Fe/Mn=33±0, n=4; plagioclase An82.4±4.8, n=3.

Classification: Unbrecciated basaltic eucrite.

Specimens: 20.4 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):225.2
Pieces:1
Class:Eucrite-unbr
Shock stage:moderate
Weathering grade:low
Ferrosilite (mol%):61.9±0.9, 35.8±9.9
Wollastonite (mol%):1.9±0.8, 35.8±9.9
Classifier:C. Agee, UNM
Type spec mass (g):20.4
Type spec location:UNM
Main mass:DPitt
Comments:Field name MAC 160; 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
Find references in NASA ADS:
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Geography: 
Coordinates:Unknown.

Statistics:
     This is 1 of 6781 approved meteorites from (Northwest Africa) (plus 2047 unapproved names)

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