Meteoritical Bulletin: Entry for Northwest Africa 13932

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Northwest Africa 13932

Basic information

Name: Northwest Africa 13932
This is an OFFICIAL meteorite name.
Abbreviation: NWA 13932
Observed fall: No
Year found: 2014
Country: Morocco
Mass: 1560 g

Classification
history:

Recommended:

LL3-6 [explanation]

This is 1 of 33 approved meteorites classified as LL3-6. [show all]
Search for other: LL chondrites, LL chondrites (type 3), Ordinary chondrites, and Ordinary chondrites (type 3)

Comments:

Approved 31 May 2021

Writeup

Writeup from MB 110:

Northwest Africa 13932 (NWA 13932)

Morocco

Purchased: 2014

Classification: Ordinary chondrite (LL3-6)

Petrography: (J. Llorca, UPC) Examination of a thin section shows two distinct lithologies corresponding to petrologic types 3 and 6. PO, POP and RP chondrules are present in the type 3 lithology. Type 6 lithology has indistinct chondrules. Plagioclase, troilite, chromite and abundant taenite in both lithologies. Cl-rich apatite present only in type 6 lithology.

Geochemistry: Type 3 lithology: olivine Fa_25.5±2.3(N=10), low-Ca pyroxene Fs_22.2±0.9Wo_2.2±0.2(N=10). Type 6 lithology: olivine Fa_33.3±0.5(N=10), orthopyroxene Fs_27.2±0.7Wo_2.0±0.2(N=10)

Data from:
  MB110
  Table 0
  Line 0:

Place of purchase:	Munich Mineral show
Date:	P 2014
Mass (g):	1560
Pieces:	3
Class:	LL3-6
Weathering grade:	W1
Fayalite (mol%):	33.3±0.5 (N=10)
Ferrosilite (mol%):	27.2±0.7 (N=10)
Wollastonite (mol%):	2.0±0.2 (N=10)
Classifier:	J.Llorca, UPC
Type spec mass (g):	26
Type spec location:	UPC
Main mass:	Ion Ander Lanzas
Finder:	anonymous
Comments:	Submitted by David Allepuz

Institutions
and collections

UPC: Institut de Tècniques Energètiques, Universitat Politècnica de Catalunya Diagonal 647, ed. ETSEIB, 08028 Barcelona, Spain, Spain (institutional address; updated 3 May 2015)

Catalogs:

References:

Published in Meteoritical Bulletin, no. 110, in preparation (2021)

Find references in NASA ADS:
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Geography:

Morocco

Coordinates:

Unknown.

Statistics:
This is 1 of 1847 approved meteorites from Morocco (plus 24 unapproved names) (plus 1 impact crater)

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