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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 502 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 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 7741 approved meteorites from (Northwest Africa) (plus 1971 unapproved names)

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