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 81 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 10 Jun 2023)
Labenne: 23, rue de Esperance, 75013 Paris, France; Website (private address; updated 29 Aug 2012)

Catalogs:

References:

Published in Gattacceca J., McCubbin F.M., Grossman J., Bouvier A., Chabot N.L., D'Orazio M., Goodrich C., Greshake A., Gross J., Komatsu M., Miao B., and Schrader D. (2022) The Meteoritical Bulletin, No. 110. Meteorit. Planet. Sci. 1-4

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Geography:

Coordinates:

Unknown.

Statistics:
This is 1 of 9305 approved meteorites from (Northwest Africa) (plus 1873 unapproved names)

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