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Northwest Africa 11177
Basic information Name: Northwest Africa 11177
     This is an OFFICIAL meteorite name.
Abbreviation: NWA 11177
Observed fall: No
Year found: 2016
Country: (Northwest Africa)
Mass:help 17.86 kg
Classification
  history:
Meteoritical Bulletin:  MB 106  (2018)  H6
Recommended:  H6    [explanation]

This is 1 of 6775 approved meteorites (plus 6 unapproved names) classified as H6.   [show all]
Search for other: H chondrites, H chondrites (type 4-7), Ordinary chondrites, and Ordinary chondrites (type 4-7)
Comments: Approved 21 Feb 2017
Writeuphelp
Writeup from MB 106:

Northwest Africa 11177 (NWA 11177)

(Northwest Africa)

Purchased: 2016

Classification: Ordinary chondrite (H6)

History: Purchased from Moroccan dealer in Denver.

Physical characteristics: Single stone with weathered fusion crust, some patches of reddish-orange oxidation present. A saw cut shows abundant metal/sulfide grains set in a dark-colored matrix.

Petrography: (C. Agee, UNM) This meteorite consists primarily of faint, equilibrated chondrules and recrystallized olivines and pyroxenes. Plagioclase grains up to 150 μm were observed.

Geochemistry: (C. Agee and B. Ha, UNM) Olivine Fa19.1±0.1, Fe/Mn=38±3, n=7; low-Ca pyroxene Fs16.8±0.1Wo1.6±0.1, Fe/Mn=22±1, n=7.

Classification: Ordinary chondrite (H6)

Specimens: 20 g including a probe mount on deposit at UNM, DPitt holds the main mass.

Data from:
  MB106
  Table 0
  Line 0:
Place of purchase:Denver
Date:P 2016
Mass (g):17855
Pieces:1
Class:H6
Shock stage:S3
Weathering grade:W2
Fayalite (mol%):19.1±0.1
Ferrosilite (mol%):16.8±0.1
Wollastonite (mol%):1.6±0.1
Classifier:C. Agee, UNM
Type spec mass (g):20
Type spec location:UNM
Main mass:Darryl Pitt
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)
DPitt: Darryl Pitt, 225 West 83rd Street, New York, NY 10024, United States; Website (private address)
Catalogs:
References: Published in Gattacceca J., Bouvier A., Grossman J., Metzler K., and Uehara M. (2019) Meteoritical Bulletin, no. 106. Meteorit. Planet. Sci. 54 in press.
Find references in NASA ADS:
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Geography: 
Coordinates:Unknown.

Statistics:
     This is 1 of 9627 approved meteorites from (Northwest Africa) (plus 1865 unapproved names)
Also see:
  This lists the most popular meteorites among people who looked up this meteorite.
Revision
  history:
  This lists important revisions made to data for this record.

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