header
  MetSoc Home            Publications            Contacts  
Search the Meteoritical Bulletin Database
Last update: 29 Jan 2023
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 5584
Basic information Name: Northwest Africa 5584
     This is an OFFICIAL meteorite name.
Abbreviation: NWA 5584
Observed fall: No
Year found: 2008
Country: (Northwest Africa)
Mass:help 116 g
Classification
  history:
Recommended:  R3    [explanation]

This is 1 of 65 approved meteorites classified as R3.   [show all]
Search for other: Rumuruti chondrites, Rumuruti chondrites (type 3)
Comments: Approved 19 Mar 2022
Writeuphelp
Writeup from MB 111:

Northwest Africa 5584 (NWA 5584)

(Northwest Africa)

Purchased: 2008

Classification: Rumuruti chondrite (R3)

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

Physical characteristics: Three brownish fragments without fusion crust.

Petrography: The meteorite shows an unbrecciated dark brownish interior with well defined partly flattened chondrules (mean diameter about 400 µm) and individual mineral fragments in a matrix dominated by Fe-rich olivine. Olivine and low-Ca-pyroxene ae frequently compositionally zoned. Minor phases are Ca-pyroxene, sodic plagioclase, chromite, and sulfides; no metal detected.

Geochemistry: olivine: Fa23.3±16.1 (Fa0.6-36.4, n=21); low-Ca pyroxene: Fs18.5±6.9Wo0.7±0.4 (Fs10.2-28.9Wo0.2-1.2, n=11); Ca-pyroxene: Fs5.7±0.6Wo37.6±1.9 (Fs4.9-6.7Wo35.2-39.4, n=5)

Data from:
  MB111
  Table 0
  Line 0:
Place of purchase:Agadir, Morocco
Date:P 2008
Mass (g):116
Pieces:3
Class:R3
Shock stage:S2
Weathering grade:W2
Fayalite (mol%):23.3
Ferrosilite (mol%):18.5; 5.7
Wollastonite (mol%):0.7; 37.6
Classifier:A. Greshake, MNB
Type spec mass (g):21.5
Type spec location:MNB
Main mass:Carsten Giessler
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. 111, in preparation (2022)
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)
Jean-Michel Masson   
Solar Anamnesis      
Geography: 
Coordinates:Unknown.

Statistics:
     This is 1 of 8904 approved meteorites from (Northwest Africa) (plus 1871 unapproved names)

Direct link to this page