header
  MetSoc Home            Publications            Contacts  
Search the Meteoritical Bulletin Database
Last update: 14 Oct 2020
Search for: Search type: Search limits: Display: Publication:
Names
Text help
Places
Classes
Years
Contains
Starts with
Exact
Sounds like
NonAntarctic
Falls  Non-NWAs
What's new
  in the last:
Include past classifications in search
Limit to approved meteorite names
Search text:  
Northwest Africa 11158
Basic information Name: Northwest Africa 11158
     This is an OFFICIAL meteorite name.
Abbreviation: NWA 11158
Observed fall: No
Year found: 2015
Country: (Northwest Africa)
Mass:help 17.1 g
Classification
  history:
Meteoritical Bulletin:  MB 106  (2018)  Eucrite-mmict
Recommended:  Eucrite-mmict    [explanation]

This is 1 of 238 approved meteorites classified as Eucrite-mmict.   [show all]
Search for other: Achondrites, Eucrites, and HED achondrites
Comments: Approved 4 Mar 2017
Writeuphelp
Writeup from MB 106:

Northwest Africa 11158 (NWA 11158)

(Northwest Africa)

Purchased: 2015

Classification: HED achondrite (Eucrite, monomict)

History: The meteorite was bought in 2016 from a Moroccan meteorite dealer at a mineral fair in Munich, Germany.

Physical characteristics: Small individual almost completely covered by fusion crust.

Petrography: Monomict eucrite displaying a fine-grained basaltic texture dominantly composed of exsolved pyroxene and up to 1 mm sized calcic plagioclase laths. Minor phases include silica, ilmenite, chromite, pyrrhotite and metallic iron. The meteorite contains shock melt veins.

Geochemistry: low-Ca pyroxene: Fs60.7±1.5Wo4.3±1.8 (Fs58.3-62.9Wo2.3-7.5, n=13, FeO/MnO=30-33); Ca-pyroxene: Fs32.3±1.0Wo39.2±0.7 (Fs30.1-33.4Wo38.5-40.8, n=13, FeO/MnO=29-34); calcic plagioclase: An88.2±0.8 (An87.0-89.6, n=14)

Data from:
  MB106
  Table 0
  Line 0:
Place of purchase:Munich, Germany
Date:P 2015
Mass (g):17.1
Pieces:1
Class:Eucrite-mmict
Shock stage:moderate
Weathering grade:low
Ferrosilite (mol%):60.7; 32.3
Wollastonite (mol%):4.3; 39.2
Classifier:A. Greshake, MNB
Type spec mass (g):3.5
Type spec location:MNB
Main mass:Ralph Sporn
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., Bouvier A., Grossman J., Metzler K., and Uehara M. (2019) Meteoritical Bulletin, no. 106. Meteorit. Planet. Sci. 54 in press.
Find references in NASA ADS:
Find references in Google Scholar:
Geography: 
Coordinates:Unknown.

Statistics:
     This is 1 of 7385 approved meteorites from (Northwest Africa) (plus 1955 unapproved names)

Direct link to this page