Meteoritical Bulletin: Entry for Northwest Africa 13749

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Northwest Africa 13749

Basic information

Name: Northwest Africa 13749
This is an OFFICIAL meteorite name.
Abbreviation: NWA 13749
Observed fall: No
Year found: 2018
Country: (Northwest Africa)
Mass: 46 g

Classification
history:

Meteoritical Bulletin:	MB 110	(2022)	CVred3
Recommended:			CVred3 [explanation]

This is 1 of 49 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

help

Writeup from MB 110:

Northwest Africa 13749 (NWA 13749)

(Northwest Africa)

Purchased: 2018

Classification: Carbonaceous chondrite (CVred3)

History: Acquired by Geologist Juan Aviles Poblador on behalf of UAlic during the winter of 2018 from a meteorite dealer in Talsint, Morocco.

Physical characteristics: Single stone with dark-brown fusion crust.

Petrography: (D. Sheikh, FSU) Specimen is composed of well-defined chondrules (Av. ~1.2 mm, 50 vol%) and calcium-aluminum-rich inclusions set in an opaque matrix composed of Fe-Ni metal and Ni-poor sulfides (<1 Ni wt%, n=5) (Matrix vol%=55%).

Geochemistry: Olivine (Fa_5.7±9.9, range Fa_0.4-63.5, n=42), Low-Ca Pyroxene (Fs_2.5±2.1Wo_1.4±0.9, range Fs_1.0-7.5Wo_0.7-3.7, n=18).

Classification: Carbonaceous chondrite (CVred3). The mineral compositions and texture indicate classification as a CV3. The presence of Fe-Ni metal combined with the low Ni content of sulfides (<1 Ni wt%, n=5) indicate classification to the reduced group of CV3 chondrites (Gattacceca et al. (2020)).

Specimens: 10 grams at UCLA, main mass with Geologist Juan Aviles Poblador.

Bibliography:

Gattacceca J.,Bonal L.,Sonzognia C., and Longereya J. (2020) CV chondrites: More than one parent body. Earth Planet. Sci. Letts. 547, 116467. (link)

Data from:
  MB110
  Table 0
  Line 0:

Place of purchase:	Morocco
Date:	P 2018
Mass (g):	46
Pieces:	1
Class:	CVred3
Shock stage:	low
Weathering grade:	moderate
Fayalite (mol%):	5.7±9.9
Ferrosilite (mol%):	2.5±2.1
Wollastonite (mol%):	1.4±0.9
Classifier:	D. Sheikh, FSU
Type spec mass (g):	10
Type spec location:	UCLA
Main mass:	Juan Aviles Poblador
Comments:	Submitted by Daniel Sheikh

Institutions
and collections

UCLA: Institute of Geophysics and Planetary Physics, University of California, Los Angeles, CA 90095-1567, United States (institutional address; updated 17 Oct 2011)
FSU: Department of Geological Sciences, Florida State University, Tallahassee FL 32306-4100, United States (institutional address; updated 16 Dec 2010)
UAlic: Earth Sciences Department University of Alicante San Vicente del Raspeig, Spain (institutional address; updated 9 Feb 2020)

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 9710 approved meteorites from (Northwest Africa) (plus 1853 unapproved names)

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Revision
history:

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