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Northwest Africa 10260
Basic information Name: Northwest Africa 10260
     This is an OFFICIAL meteorite name.
Abbreviation: NWA 10260
Observed fall: No
Year found: 2015
Country: (Northwest Africa)
Mass:help 1000 g
Classification
  history:
Meteoritical Bulletin:  MB 104  (2015)  LL4
Recommended:  LL4    [explanation]

This is 1 of 361 approved meteorites classified as LL4.   [show all]
Search for other: LL chondrites, LL chondrites (type 4-7), Ordinary chondrites, and Ordinary chondrites (type 4-7)
Comments: Approved 4 Sep 2015
Writeuphelp
Writeup from MB 104:

Northwest Africa 10260 (NWA 10260)

(Northwest Africa)

Purchased: 2015

Classification: Ordinary chondrite (LL4)

History: Purchased by Steve Arnold from Morocco, 2015.

Physical characteristics: Single stone with smooth dark fusion crust. Saw cuts show a brecciated interior, some domains with orange brown staining, while other domains are light colored.

Petrography: (C. Agee, UNM) Microprobe examination of a polished mount shows some large distinct chondrules, plagioclase is very fine-grained. Kamacite, taenite, augite, chromite, and Cl-apatite observed.

Geochemistry: (C. Agee and N. Muttik, UNM) Olivine Fa30.4±2.3, Fe/Mn=61±5, n=8; low-Ca pyroxene Fs24.6±1.0Wo2.1±1.2, Fe/Mn=36±2, n=5.

Classification: Ordinary chondrite (LL4)

Specimens: 23.7 g including a probe mount on deposit at UNM, Steve Arnold holds the main mass

Data from:
  MB104
  Table 0
  Line 0:
Place of purchase:Morocco
Date:P 2015
Mass (g):1000
Pieces:1
Class:LL4
Shock stage:S3
Weathering grade:W1
Fayalite (mol%):30.4±2.3
Ferrosilite (mol%):24.6±1.0
Wollastonite (mol%):2.1±1.2
Classifier:C. Agee, UNM
Type spec mass (g):23.7
Type spec location:UNM
Main mass:Steve Arnold
Comments:Fieldname SA-11; submitted by C. Agee
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)
Catalogs:
References: Published in Meteoritical Bulletin, no. 104, MAPS 52, 2284, Octover 2017, http://onlinelibrary.wiley.com/doi/10.1111/maps.12930/full
Find references in NASA ADS:
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Geography: 
Coordinates:Unknown.

Statistics:
     This is 1 of 6968 approved meteorites from (Northwest Africa) (plus 2012 unapproved names)

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