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Northwest Africa 8565
Basic information Name: Northwest Africa 8565
     This is an OFFICIAL meteorite name.
Abbreviation: NWA 8565
Observed fall: No
Year found: 2014
Country: (Northwest Africa)
Mass:help 48 kg
Classification
  history:
Meteoritical Bulletin:  MB 103  (2014)  L3
Recommended:  L3    [explanation]

This is 1 of 848 approved meteorites (plus 2 unapproved names) classified as L3.   [show all]
Search for other: L chondrites, L chondrites (type 3), Ordinary chondrites, and Ordinary chondrites (type 3)
Comments: Approved 12 Oct 2014
Writeuphelp
Writeup from MB 103:

Northwest Africa 8565 (NWA 8565)

(Northwest Africa)

Found: 2007

Classification: Ordinary chondrite (L3)

History: Found 2007 in Morocco, purchased by Dave Gheesling in Erfoud, Morocco.

Physical characteristics: Single stone, weathered exterior with caliche and iron staining, radial striations or grooves on the surface.

Petrography: (C. Agee, UNM) Microprobe examination of a polished mount reveals numerous distinct, unequilibrated chondrules, PO, POP, and BO, Fe-Ni metal, troilite, chromite, and some iron oxide veinlets.

Geochemistry: (C. Agee and N. Muttik, UNM) Olivine Fa23.6±7.2, Fe/Mn=55±12, n=18; low-Ca pyroxene Fs20.4±9.8Wo1.5±1.8, Fe/Mn=40±27, n=7.

Classification: Ordinary chondrite (L3), subtype approximately L3.5 based on the standard deviation of the mean value of Fa. Weathering grade W2, shock stage S3.

Specimens: 119.2 g including a probe mount on deposit at UNM, Dave Gheesling holds the main mass.

Data from:
  MB103
  Table 0
  Line 0:
Place of purchase:Erfoud, Morocco
Date:2007
Mass (g):48000
Pieces:1
Class:L3
Shock stage:S3
Weathering grade:W2
Fayalite (mol%):23.6±7.2
Ferrosilite (mol%):20.4±9.8
Wollastonite (mol%):1.5±1.8
Classifier:C. Agee, UNM
Type spec mass (g):119.2
Type spec location:UNM
Main mass:Dave Gheesling
Comments:Field name DG-3; 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)
Catalogs:
References: Published in Meteoritical Bulletin, no. 103, MAPS 52, 1014, May 2017, http://onlinelibrary.wiley.com/doi/10.1111/maps.12888/full
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Geography: 
Coordinates:Unknown.

Statistics:
     This is 1 of 9699 approved meteorites from (Northwest Africa) (plus 1854 unapproved names)
Also see:
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Revision
  history:
  This lists important revisions made to data for this record.

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