header
  MetSoc Home            Publications            Contacts  
Search the Meteoritical Bulletin Database
Last update: 18 May 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:
Include past classifications in search
Limit to approved meteorite names
Search text:  
Northwest Africa 5555
Basic information Name: Northwest Africa 5555
     This is an OFFICIAL meteorite name.
Abbreviation: NWA 5555
Observed fall: No
Year found: 2008
Country: (Northwest Africa)
Mass:help 274 g
Classification
  history:
Meteoritical Bulletin:  MB 105  (2016)  Ureilite
Recommended:  Ureilite    [explanation]

This is 1 of 604 approved meteorites classified as Ureilite.   [show all]
Search for other: Achondrites, Ureilites
Comments: Approved 26 Jul 2016
Writeuphelp
Writeup from MB 105:

Northwest Africa 5555 (NWA 5555)

(Northwest Africa)

Purchased: 2008

Classification: Ureilite

History: The meteorite was bought in 2008 from a Moroccan meteorite dealer on a meteorite fair in Ensisheim, France.

Petrography: The meteorite displays a recrystallized texture composed of up to 2 mm sized olivine (Fa9.0±0.1, n=16) and pigeonite (Fs8.2±0.1Wo9.0±0.1, n=16) grains. Olivine shows characteristic reduced rims. Additionally, it contains rare orthopyroxene with Fs8.0Wo5.0, N=4.

Geochemistry: reduced rims in olivine: Fa3.3-6.8; Cr2O3 in ol: ~0.6 wt%

Data from:
  MB105
  Table 0
  Line 0:
Place of purchase:Ensisheim, France
Date:P 2008
Mass (g):274.4
Pieces:1
Class:Ureilite
Shock stage:low
Weathering grade:low
Fayalite (mol%):9.0±0.1 (n=16)
Ferrosilite (mol%):8.2±0.1 (n=16)
Wollastonite (mol%):9.0±0.1 (n=16)
Classifier:A. Greshake, MNB
Type spec mass (g):21.1
Type spec location:MNB
Main mass:Marc Jost
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. 105, MAPS 52, 2411, September 2017. http://onlinelibrary.wiley.com/doi/10.1111/maps.12944/full
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)
aranemac Photo added 19 Apr 2022
Dirk Hohmann Photo added 19 Apr 2022
Mirko Graul   
Photo added 19 Apr 2022
Space Jewels   
Geography: 
Coordinates:Unknown.

Statistics:
     This is 1 of 8402 approved meteorites from (Northwest Africa) (plus 1899 unapproved names)

Direct link to this page