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Northwest Africa 13737
Basic information Name: Northwest Africa 13737
     This is an OFFICIAL meteorite name.
Abbreviation: NWA 13737
Observed fall: No
Year found: 2020
Country: (Northwest Africa)
Mass:help 7.12 kg
Classification
  history:
Recommended:  H5    [explanation]

This is 1 of 10289 approved meteorites (plus 18 unapproved names) classified as H5.   [show all]
Search for other: H chondrites, H chondrites (type 4-7), Ordinary chondrites, and Ordinary chondrites (type 4-7)
Comments: Approved 13 Feb 2021
Writeuphelp
Writeup from MB 110:

Northwest Africa 13737 (NWA 13737)

(Northwest Africa)

Purchased: 2020

Classification: Ordinary chondrite (H5)

History: Purchased in August 2020 from Abdelhadi in Morocco.

Physical characteristics: Single stone, weathered exterior. Saw cut reveals small chondrules set in a brown groundmass. Numerous metal grains visible.

Petrography: (C. Agee, UNM) Microprobe examination shows densely packed chondrules. Plagioclase grain size up to 20 μm in diameter.

Geochemistry: (C. Agee, UNM) Olivine Fa18.4±0.3, Fe/Mn=37±2, n=12; low-Ca pyroxene Fs16.3±0.2Wo1.2±0.4, Fe/Mn=22±1, n=6.

Classification: Ordinary chondrite (H5)

Specimens: 22.7 g on deposit at UNM, DPitt holds the main mass.

Data from:
  MB110
  Table 0
  Line 0:
Place of purchase:Morocco
Date:P 2020
Mass (g):7120
Pieces:1
Class:H5
Shock stage:S3
Weathering grade:W2
Fayalite (mol%):18.4±0.3
Ferrosilite (mol%):16.3±0.2
Wollastonite (mol%):1.2±0.4
Classifier:C.Agee, UNM
Type spec mass (g):22.7
Type spec location:UNM
Main mass:DPitt
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 Meteoritical Bulletin, no. 110, in preparation (2021)
Find references in NASA ADS:
Find references in Google Scholar:
Geography: 
Coordinates:Unknown.

Statistics:
     This is 1 of 7795 approved meteorites from (Northwest Africa) (plus 1971 unapproved names)

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