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Northwest Africa 5150
Basic information Name: Northwest Africa 5150
     This is an OFFICIAL meteorite name.
Abbreviation: NWA 5150
Observed fall: No
Year found: 2007
Country: (Northwest Africa)
Mass:help 2.51 kg
Classification
  history:
Recommended:  H7    [explanation]

This is 1 of 24 approved meteorites classified as H7.   [show all]
Search for other: H chondrites, H chondrites (type 4-7), Ordinary chondrites, and Ordinary chondrites (type 4-7)
Comments: Approved 4 Jul 2020
Writeuphelp
Writeup from MB 109:

Northwest Africa 5150 (NWA 5150)

(Northwest Africa)

Purchased: 2007

Classification: Ordinary chondrite (H7)

History: Purchased by Terry Boswell in 2007 from a Moroccan dealer.

Petrography: (A. Irving, UWS and J. Boesenberg, BrownU; T. Bunch and J. Wittke, NAU) The specimen has a triple grain junction texture and is completely devoid of chondrules. Accessory phases include abundant altered kamacite, troilite and rare chromite. Thin cross-cutting veinlets of secondary goethite are present.

Geochemistry: Olivine (Fa18.7±0.4, range Fa18.4-19.1, N = 9), low-Ca pyroxene (Fs16.4±0.2Wo3.7±0.4, range Fs16.2-16.7Wo3.2-4.0, N = 4).

Classification: Ordinary chondrite (H7).

Specimens: 26.3 g including one polished thin section at PSF; remainder with Mr. T. Boswell.

Data from:
  MB109
  Table 0
  Line 0:
Place of purchase:Morocco
Date:P 2007
Mass (g):2510
Pieces:1
Class:H7
Shock stage:S2
Weathering grade:W2
Fayalite (mol%):18.7±0.4
Ferrosilite (mol%):16.4±0.2
Wollastonite (mol%):3.7±0.4
Classifier:A. Irving, UWS, and J. Boesenberg, BrownU
Type spec mass (g):26.3
Type spec location:PSF
Main mass:T. Boswell
Comments:Work name #113; submitted by A. Irving
Institutions
   and collections
NAU: Geology, Bldg 12 Knoles Dr Northern Arizona University, Flagstaff, AZ 86011, United States; Website (institutional address; updated 12 Apr 2012)
PSF: Planetary Studies Foundation,10 Winterwood Lane, Unit B, Galena, Illinois 61036-9283, United States; Website (institutional address; updated 1 Dec 2011)
UWS: University of Washington, Department of Earth and Space Sciences, 70 Johnson Hall, Seattle, WA 98195, United States (institutional address; updated 15 Jan 2012)
BrownU: Brown University Providence, RI 02912, United States (institutional address; updated 7 Sep 2019)
Catalogs:
References: Published in Meteoritical Bulletin, no. 109, in preparation (2020)
Find references in NASA ADS:
Find references in Google Scholar:
Geography: 
Coordinates:Unknown.

Statistics:
     This is 1 of 7354 approved meteorites from (Northwest Africa) (plus 1958 unapproved names)

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