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Northwest Africa 8609
Basic information Name: Northwest Africa 8609
     This is an OFFICIAL meteorite name.
Abbreviation: NWA 8609
Observed fall: No
Year found: 2014
Country: (Northwest Africa)
Mass:help 45 g
Classification
  history:
Meteoritical Bulletin:  MB 103  (2014)  Lunar (feldsp. breccia)
Recommended:  Lunar (feldsp. breccia)    [explanation]

This is 1 of 182 approved meteorites classified as Lunar (feldsp. breccia).   [show all]
Search for other: Lunar meteorites
Comments: Approved 3 Nov 2014
Writeuphelp
Writeup from MB 103:

Northwest Africa 8609 (NWA 8609)

(Northwest Africa)

Purchased: 2014

Classification: Lunar meteorite (feldspathic breccia)

History: Purchased by Matt Morgan and Lee Morgan in 2014, reported found in Morocco.

Physical characteristics: Single stone, dark brown, irregular weathered surface. Saw cut reveals a range of light and dark mm-size clasts and mineral fragments set in a dark-gray matrix.

Petrography: (C. Agee, UNM) Microprobe examination of a polished mount shows a fragmental breccia of plagioclase, olivine, and pyroxene grains, also feldspathic clasts, melt clasts, and microgabbro clasts. Accessory Fe-Ni metal, ilmenite, and apatite.

Geochemistry: (C. Agee and N. Muttik, UNM). Olivine Fa28.4±3.1, Fe/Mn=102±9, n=22; pigeonite Fs22.9±5.4Wo10.1±2.0, Fe/Mn=53±5, n=11; low-Ca pyroxene Fs26.5±6.0Wo4.0±0.8, Fe/Mn=59±5, n=9; plagioclase An93.2±3.2Ab6.2±2.9Or0.6±0.3, n=7.

Classification: Achondrite (Lunar feldspathic breccia), moderately weathered, high shock stage.

Specimens: A total of 9.0 g, including a probe mount, is on deposit at UNM, MtMorgan and Lee Morgan hold the main mass.

Data from:
  MB103
  Table 0
  Line 0:
Date:P 2014
Mass (g):45
Pieces:1
Class:Lunar (feldsp. breccia)
Shock stage:high
Weathering grade:moderate
Fayalite (mol%):28.4±3.1
Ferrosilite (mol%):22.9±5.4, 26.5±6.0
Wollastonite (mol%):10.1±2.0, 4.0±0.8
Classifier:C. Agee, UNM
Type spec mass (g):9.0
Type spec location:UNM
Main mass:Matt Morgan and Lee Morgan
Comments: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)
MtMorgan: Matt Morgan, Mile High Meteorites, P.O. Box 151293, Lakewood, CO 80215-9293, United States; Website (private address)
Catalogs:
References: Published in Meteoritical Bulletin, no. 103, MAPS 52, 1014, May 2017, http://onlinelibrary.wiley.com/doi/10.1111/maps.12888/full
Find references in NASA ADS:
Find references in Google Scholar:
Geography: 
Coordinates:Unknown.

Statistics:
     This is 1 of 7027 approved meteorites from (Northwest Africa) (plus 2002 unapproved names)

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