header
  MetSoc Home            Publications            Contacts  
Search the Meteoritical Bulletin Database
Last update: 3 Jun 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 5704
Basic information Name: Northwest Africa 5704
     This is an OFFICIAL meteorite name.
Abbreviation: NWA 5704
Observed fall: No
Year found: 2009
Country: (Northwest Africa)
Mass:help 221 g
Classification
  history:
Meteoritical Bulletin:  MB 106  (2018)  CK5
Recommended:  CK5    [explanation]

This is 1 of 205 approved meteorites classified as CK5.   [show all]
Search for other: Carbonaceous chondrites, Carbonaceous chondrites (equilibrated), CK chondrites, CK chondrites (type 4-6), and CV-CK clan chondrites
Comments: Approved 26 Sep 2017
Writeuphelp
Writeup from MB 106:

Northwest Africa 5704 (NWA 5704)

(Northwest Africa)

Purchased: 2009

Classification: Carbonaceous chondrite (CK5)

History: The meteorite was bought in 2009 from a Moroccan meteorite dealer on a mineral fair in Berlin, Germany.

Physical characteristics: Grayish individual partly covered by fusion crust.

Petrography: The meteorite is composed of recrystallized olivine-dominated matrix with scattered chondrules still being discernable. Cr-rich magnetite is abundant. More minor phases include intermediate plagioclase, low-Ca pyroxene, and troilite. Metal is virtually absent.

Data from:
  MB106
  Table 0
  Line 0:
Place of purchase:Berlin, Germany
Date:P 2009
Mass (g):221
Pieces:1
Class:CK5
Shock stage:S2
Weathering grade:W1
Fayalite (mol%):30.6±0.3 (n=14)
Ferrosilite (mol%):25.2±0.7 (n=11)
Wollastonite (mol%):0.8±0.1 (n=11)
Classifier:A. Greshake, MNB
Type spec mass (g):20.4
Type spec location:MNB
Main mass:Stefan Ralew
Comments:Submitted by Ansgar Greshake
Institutions
   and collections		 MNB: Museum für Naturkunde, Invalidenstraße 43, D-10115 Berlin, Germany (institutional address; updated 24 Dec 2011)
Ralew: Stefan Ralew, Kunibertstraße 29, 12524 Berlin, Germany; 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:
Geography: 
Coordinates:Unknown.

Statistics:
     This is 1 of 9116 approved meteorites from (Northwest Africa) (plus 1873 unapproved names)

Direct link to this page