Meteoritical Bulletin: Entry for Northwest Africa 13723

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Northwest Africa 13723

Basic information

Name: Northwest Africa 13723
This is an OFFICIAL meteorite name.
Abbreviation: NWA 13723
Observed fall: No
Year found: 2019
Country: (Northwest Africa)
Mass: 81.9 g

Classification
history:

Recommended:

CK6 [explanation]

This is 1 of 73 approved meteorites classified as CK6. [show all]
Search for other: Carbonaceous chondrites, Carbonaceous chondrites (equilibrated), CK chondrites, CK chondrites (type 4-6), and CV-CK clan chondrites

Comments:

Approved 20 Mar 2021

Writeup

Writeup from MB 110:

Northwest Africa 13723 (NWA 13723)

(Northwest Africa)

Purchased: 2019

Classification: Carbonaceous chondrite (CK6)

Petrography: (J. Gattacceca, CEREGE) Chondrite with large chondrules set in a recrystallized matrix dominated by ferroan olivine. Matrix plagioclase size to 100 µm. Opaque minerals are Cr-bearing magnetite and troilite.

Geochemistry: Olivine 31.7±0.2, NiO = 0.46±0.06 (n=3). Low-Ca pyroxene Fs_32.2Wo_0.6(n=1). Ca-pyroxene Fs_12.8Wo_45.6(n=1). Plagioclase An_46.3Ab_51.9Or_1.8(n=1). Magnetite Cr₂O₃ = 3.7 wt% (n=1).

Classification: Carbonaceous chondrite (CK6)

Specimens: Type speciment at CEREGE. Main mass with Labenne

Data from:
  MB110
  Table 0
  Line 0:

Date:	P 2019
Mass (g):	81.9
Pieces:	1
Class:	CK6
Weathering grade:	low
Fayalite (mol%):	31.7±0.2 (n=3)
Ferrosilite (mol%):	32.2 (n=1)
Wollastonite (mol%):	0.6
Magnetic suscept.:	4.68
Classifier:	J. Gattacceca, CEREGE
Type spec mass (g):	21
Type spec location:	CEREGE
Main mass:	Labenne
Finder:	anonymous
Comments:	work name LL051119a; submitted by Jérôme Gattacceca

Institutions
and collections

CEREGE: CEREGE BP 80 Avenue Philibert, Technopole de l'Arbois 13545 Aix-en-Provence Cedex 4 France, France (institutional address; updated 29 Oct 2018)
Labenne: 23, rue de Esperance, 75013 Paris, France; Website (private address; updated 29 Aug 2012)

Catalogs:

References:

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

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Geography:

Coordinates:

Unknown.

Statistics:
This is 1 of 8394 approved meteorites from (Northwest Africa) (plus 1899 unapproved names)

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