header
  MetSoc Home            Publications            Contacts  
Search the Meteoritical Bulletin Database
Last update: 18 Sep 2021
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 13534
Basic information Name: Northwest Africa 13534
     This is an OFFICIAL meteorite name.
Abbreviation: NWA 13534
Observed fall: No
Year found: 2020
Country: (Northwest Africa)
Mass:help 3.56 kg
Classification
  history:
Recommended:  L4    [explanation]

This is 1 of 1727 approved meteorites (plus 4 unapproved names) classified as L4.   [show all]
Search for other: L chondrites, L chondrites (type 4-7), Ordinary chondrites, and Ordinary chondrites (type 4-7)
Comments: Approved 12 Nov 2020
Writeuphelp
Writeup from MB 109:

Northwest Africa 13534 (NWA 13534)

(Northwest Africa)

Purchased: 2020

Classification: Ordinary chondrite (L4)

Petrography: (K. Metzler, IfP) Ordinary chondrite, consisting of chondrules (up to 2.4 mm), chondrule fragments, Fe-Ni metal grains and troilite, embedded in a fine-grained matrix. The mean apparent chondrule size is 503 µm (n=41).

Geochemistry: Mineral compositions and geochemistry: The mean olivine composition is Fa23.6±1.1 (Fa21.6-24.9; n=12); the mean low-Ca pyroxene composition is Fs16.7±3.7Wo0.5±0.2 (Fs8.1-20.7Wo0.2-0.9; n=15).

Classification: L chondrite based on metal content and apparent chondrule size. Petrologic type based on the equilibrated state of olivine and unequiilbrated state of low-Ca pyroxene.

Data from:
  MB109
  Table 0
  Line 0:
Place of purchase:Bethar, Algeria
Date:P 2020
Mass (g):3560
Pieces:76
Class:L4
Shock stage:C-S1
Weathering grade:W1/2
Fayalite (mol%):23.6±1.1
Ferrosilite (mol%):16.7±3.7
Wollastonite (mol%):0.5±0.2
Classifier:K. Metzler, IfP
Type spec mass (g):20
Type spec location:IfP
Main mass:Gregor Pacer, Bad Bellingen, Germany
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 Meteoritical Bulletin, no. 109, in preparation (2020)
Find references in NASA ADS:
Find references in Google Scholar:
Geography: 
Coordinates:Unknown.

Statistics:
     This is 1 of 7885 approved meteorites from (Northwest Africa) (plus 1958 unapproved names)

Direct link to this page