Meteoritical Bulletin: Entry for Northwest Africa 13706

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Northwest Africa 13706

Basic information

Name: Northwest Africa 13706
This is an OFFICIAL meteorite name.
Abbreviation: NWA 13706
Observed fall: No
Year found: 2019
Country: (Northwest Africa)
Mass: 155 g

Classification
history:

Recommended:

CVred3 [explanation]

This is 1 of 19 approved meteorites classified as CVred3. [show all]
Search for other: Carbonaceous chondrites, Carbonaceous chondrites (type 3), CV chondrites, and CV-CK clan chondrites

Comments:

Approved 20 Mar 2021

Writeup

Writeup from MB 110:

Northwest Africa 13706 (NWA 13706)

(Northwest Africa)

Purchased: 2019 Oct

Classification: Carbonaceous chondrite (CVred3)

Physical characteristics: Cut face reveals large chondrules and CAIs set in a dark matrix.

Petrography: (J. Gattacceca, CEREGE) Chondrite with large chondrules (average apparent diameter ~1 mm) and CAIs set in an abundant fine-grained iron-rich matrix.

Geochemistry: Olivine Fa_8.4±11.7, range Fa_0.3-39.1(n=13), Cr₂O₃ in ferroan olivine 0.19±0.09 (n=5). Low-Ca pyroxene Fs_1.1±0.2Wo_2.1±1.6(n=3). Sulfides are Ni free. Defocused analyses of the matrix FeO 39.1 wt%, analytical total 97.1 wt%.

Classification: Carbonaceous chondrite (CVred3). Reduced group based on the absence of Ni in sulfides.

Specimens: Type specimen at CEREGE. Main mass with Kuntz.

Data from:
  MB110
  Table 0
  Line 0:

Place of purchase:	Munich, Germany
Date:	P 2019 Oct
Mass (g):	155
Pieces:	1
Class:	CVred3
Fayalite (mol%):	8.4±11.7 (n=13)
Ferrosilite (mol%):	1.1±0.2 (n=3)
Wollastonite (mol%):	2.1±1.6
Magnetic suscept.:	4.09
Classifier:	J. Gattacceca, CEREGE
Type spec mass (g):	20.4
Type spec location:	CEREGE
Main mass:	Kuntz
Finder:	anonymous
Comments:	work name K470; 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)
Kuntz: Fabien Kuntz, France; Website (private address)

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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Photos:

Credit	Photos
Photos uploaded by members of the Encyclopedia of Meteorites. (Caution, these are of unknown reliability)
Robert Smart
Ryan Upchurch

Geography:

Coordinates:

Unknown.

Statistics:
This is 1 of 8745 approved meteorites from (Northwest Africa) (plus 1880 unapproved names)

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