header
  MetSoc Home            Publications            Contacts  
Search the Meteoritical Bulletin Database
Last update: 6 Aug 2022
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:
Limit to approved meteorite names
Search text:  
Northwest Africa 5887
Basic information Name: Northwest Africa 5887
     This is an OFFICIAL meteorite name.
Abbreviation: NWA 5887
Observed fall: No
Year found: 2009
Country: (Northwest Africa)
Mass:help 33 g
Classification
  history:
Meteoritical Bulletin:  MB 106  (2018)  Eucrite-br
Recommended:  Eucrite-br    [explanation]

This is 1 of 209 approved meteorites classified as Eucrite-br.   [show all]
Search for other: Achondrites, Eucrites, and HED achondrites
Comments: Approved 26 Sep 2017
Writeuphelp
Writeup from MB 106:

Northwest Africa 5887 (NWA 5887)

(Northwest Africa)

Purchased: 2009

Classification: HED achondrite (Eucrite, brecciated)

History: The meteorite was bought in 2009 from a Moroccan meteorite dealer in Erfoud, Morocco.

Physical characteristics: Two small grayish individuals lacking any fusion crust.

Petrography: The meteorite is a breccia composed of basaltic, impact melt, and mineral clasts set into a clastic matrix. Major mineral phases are exsolved pyroxene and plagioclase up to 500 µm in size. Minor phases include chromite, ilmenite, pyrrhotite, silica, and metallic iron.

Geochemistry: low-Ca pyroxene: Fs54.7±1.8Wo5.9±2.1 (Fs51.7-57.4Wo2.9-9.7, n=13, FeO/MnO=31-36); Ca-pyroxene: Fs28.4±1.9Wo38.4±2.1 (Fs25.3-32.1Wo34.2-41.9, n=16, FeO/MnO=30-38); calcic plagioclase: An89.6±1.4 (An85.9-91.3, n=14)

Data from:
  MB106
  Table 0
  Line 0:
Place of purchase:Erfoud, Morocco
Date:P 2009
Mass (g):33
Pieces:2
Class:Eucrite-br
Shock stage:moderate
Weathering grade:low
Ferrosilite (mol%):54.7; 28.4
Wollastonite (mol%):5.9; 38.4
Classifier:A. Greshake, MNB
Type spec mass (g):7
Type spec location:MNB
Main mass:Fabien Kuntz
Comments:Submitted by Ansgar Greshake
Institutions
   and collections
MNB: Museum für Naturkunde, Invalidenstraße 43, D-10115 Berlin, Germany (institutional address; updated 24 Dec 2011)
Kuntz: Fabien Kuntz, France; Website (private address)
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:
Photos:
CreditPhotos
Photos uploaded by members of the Encyclopedia of Meteorites.
    (Caution, these are of unknown reliability)
Andreas Grünemeyer Photo added 19 Apr 2022
Piotr gural100 Photo added 19 Apr 2022
The Wilcox Collection of Meteorites Photo added 19 Apr 2022
Photo added 19 Apr 2022
Photo added 19 Apr 2022
Photo added 19 Apr 2022
Photo added 19 Apr 2022
Photo added 19 Apr 2022
Geography: 
Coordinates:Unknown.

Statistics:
     This is 1 of 8559 approved meteorites from (Northwest Africa) (plus 1896 unapproved names)

Direct link to this page