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Northwest Africa 13851
Basic information Name: Northwest Africa 13851
     This is an OFFICIAL meteorite name.
Abbreviation: NWA 13851
Observed fall: No
Year found: 2021
Country: (Northwest Africa)
Mass:help 265 g
Classification
  history:
Recommended:  Eucrite    [explanation]

This is 1 of 565 approved meteorites (plus 1 unapproved name) classified as Eucrite.   [show all]
Search for other: Achondrites, Eucrites, and HED achondrites
Comments: Approved 28 Mar 2021
Writeuphelp
Writeup from MB 110:

Northwest Africa 13851 (NWA 13851)

(Northwest Africa)

Purchased: 2021

Classification: HED achondrite (Eucrite)

History: The meteorite was purchased from a dealer in Morocco.

Physical characteristics: Light grayish rock partly covered with fusion crust.

Petrography: The meteorite is an unbrecciated basalt composed of exsolved pyroxene and often lath-shaped calcic plagioclase grains up to 1 mm in size. Minor phases include silica, ilmenite, chromite, and FeS. No metallic iron has been detected.

Geochemistry: Low-Ca pyroxene: Fs60.4±0.2Wo1.9±0.1 (Fs60.0-60.7Wo1.8-2.1, FeO/MnO=28-29, n=7); Ca-pyroxene: Fs26.2±0.3Wo44.0±0.3 (Fs25.6-26.8Wo43.3-44.3, FeO/MnO=26-29, n=7); calcic plagioclase: An89.3±1.1 (An87.6-90.9, n=7).

Classification: Achondrite (eucrite)

Data from:
  MB110
  Table 0
  Line 0:
Place of purchase:Morocco
Date:P 2021
Mass (g):265
Pieces:1
Class:Eucrite
Shock stage:moderate
Weathering grade:low
Ferrosilite (mol%):60.4
Wollastonite (mol%):1.9
Classifier:A. Greshake, MNB
Type spec mass (g):26.6
Type spec location:MNB
Main mass:Philippe Schmitt-Kopplin
Comments:Submitted by Ansgar Greshake
Institutions
   and collections
MNB: Museum für Naturkunde, Invalidenstraße 43, D-10115 Berlin, Germany (institutional address; updated 24 Dec 2011)
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 8745 approved meteorites from (Northwest Africa) (plus 1880 unapproved names)

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