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Northwest Africa 13513
Basic information Name: Northwest Africa 13513
     This is an OFFICIAL meteorite name.
Abbreviation: NWA 13513
Observed fall: No
Year found: 2020
Country: (Northwest Africa)
Mass:help 21 g
Classification
  history:
Recommended:  Ureilite    [explanation]

This is 1 of 630 approved meteorites classified as Ureilite.   [show all]
Search for other: Achondrites, Ureilites
Comments: Approved 16 Jan 2021
Writeuphelp
Writeup from MB 110:

Northwest Africa 13513 (NWA 13513)

(Northwest Africa)

Purchased: 2020 Jun

Classification: Ureilite

History: Purchased by Sun-Chung Yang in June 2020 from a Moroccan dealer.

Petrography: (A. Irving, UWS and P. Carpenter, WUSL) The specimen exhibits triple grain junction texture and is composed predominantly of olivine with subordinate low-Ca pyroxene and augite plus accessory graphite, phosphorus-bearing FeNi metal, Cr-troilite and minor secondary calcite. Olivine grains have reduced magnesian rims with fine blebby Fe metal associated with minor Cr-troilite.

Geochemistry: Olivine (cores Fa11.3±0.2, N = 3; rims 4.1±0.9, range Fa3.5-5.1, N = 3), low-Ca pyroxene (Fs10.2±0.2Wo4.9±0.0, N = 2), augite (Fs6.3±0.0Wo36.5±0.2, N = 2).

Classification: Ureilite.

Specimens: 4.6 g in the form of a polished endcut at UWB; remainder with Mr. S.-C. Yang.

Data from:
  MB110
  Table 0
  Line 0:
Place of purchase:Morocco
Date:P 2020 Jun
Mass (g):21
Pieces:1
Class:Ureilite
Shock stage:low
Weathering grade:low
Fayalite (mol%):11.3±0.2
Ferrosilite (mol%):10.2±0.1; 6.3±0.0
Wollastonite (mol%):4.9±0.0; 36.5±0.2
Classifier:A. Irving, UWS, and P. Carpenter, WUSL
Type spec mass (g):4.6
Type spec location:UWB
Main mass:S.-C. Yang
Comments:Work name SCY-3; submitted by A. Irving
Institutions
   and collections		 UWS: University of Washington, Department of Earth and Space Sciences, 70 Johnson Hall, Seattle, WA 98195, United States (institutional address; updated 15 Jan 2012)
WUSL: Washington Univ., One Brookings Drive, St. Louis, MO 63130, United States (institutional address; updated 17 Oct 2011)
UWB: University of Washington, Box 353010 Seattle, WA 98195, United States (institutional address; updated 27 Jul 2012)
Catalogs:
References: Published in Gattacceca J., McCubbin F.M., Grossman J., Bouvier A., Chabot N.L., D'Orazio M., Goodrich C., Greshake A., Gross J., Komatsu M., Miao B., and Schrader D. (2022) The Meteoritical Bulletin, No. 110. Meteorit. Planet. Sci. 1-4
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Geography: 
Coordinates:Unknown.

Statistics:
     This is 1 of 9116 approved meteorites from (Northwest Africa) (plus 1873 unapproved names)

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