header
  MetSoc Home            Publications            Contacts  
Search the Meteoritical Bulletin Database
Last update: 11 Oct 2019
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 5756
Basic information Name: Northwest Africa 5756
     This is an OFFICIAL meteorite name.
Abbreviation: NWA 5756
Observed fall: No
Year found: 2008
Country: (Northwest Africa)
Mass:help 40 g
Classification
  history:
Meteoritical Bulletin:  MB 106  (2018)  LL3-4
Recommended:  LL3-4    [explanation]

This is 1 of 2 approved meteorites classified as LL3-4.   [show all]
Search for other: LL chondrites, LL chondrites (type 3), Ordinary chondrites, and Ordinary chondrites (type 3)
Comments: Approved 26 Jan 2017
Writeuphelp
Writeup from MB 106:

Northwest Africa 5756 (NWA 5756)

(Northwest Africa)

Purchased: 2008 Jun 16

Classification: Ordinary chondrite (LL3-4)

History: Purchased from a Moroccan dealer at the meteorite fair in Ensisheim, France.

Petrography: (K. Metzler, IfP) Genomict breccia, consisting of unequilibrated (LL3) clasts and clasts with unequilibrated low-Ca pyroxene and equilibrated olivine (LL4), embedded in related fine-grained clastic material.

Geochemistry: Mineral chemistry of type 3 clasts: Fa27.0±8.2 (Fa11.0-38.8; n=22); Fs14.6±7.5 (Fs4.3-31.9; n=19); Mineral chemistry of type 4 clasts: Fa31.7±1.2 (Fa30.5-33.9; n=6); Fs18.3±5.7 (Fs13.1-30.1; n=8)

Data from:
  MB106
  Table 0
  Line 0:
Place of purchase:Ensisheim
Date:P 2008 Jun 16
Mass (g):40
Pieces:1
Class:LL3-4
Shock stage:S2
Weathering grade:W1
Fayalite (mol%):27.0±8.2; 31.7±1.2
Ferrosilite (mol%):14.6±7.5; 18.3±5.7
Classifier:A. Bischoff, IfP
Type spec mass (g):8.5
Type spec location:IfP
Main mass:anonymous
Comments:Submitted by K. Metzler (IfP)
Institutions
   and collections
IfP: Institut für Planetologie, Wilhelm-Klemm-Str. 10, 48149 Münster, Germany (institutional address; updated 23 Jan 2012)
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 6968 approved meteorites from (Northwest Africa) (plus 2012 unapproved names)

Direct link to this page