Meteoritical Bulletin: Entry for Northwest Africa 13725

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Northwest Africa 13725

Basic information

Name: Northwest Africa 13725
This is an OFFICIAL meteorite name.
Abbreviation: NWA 13725
Observed fall: No
Year found: 2017
Country: (Northwest Africa)
Mass: 61 g

Classification
history:

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

This is 1 of 660 approved meteorites classified as Ureilite. [show all]
Search for other: Achondrites, Ureilites

Comments:

Approved 13 Feb 2021

Writeup

Writeup from MB 110:

Northwest Africa 13725 (NWA 13725)

(Northwest Africa)

Purchased: 2017 Jul

Classification: Ureilite

Petrography: (J. Gattacceca, CEREGE) Blocky assemblage of olivine (grain size 1.2 mm) with thin reduced rim and C material along the grain rims. Chromite to 50 µm. Metal is present.

Geochemistry: Olivine Fa_24.8±0.0(n=3), rims Fa_19.5and Fa_17.6(n=2), FeO/MnO = 48.9±4.4 (n=5). Chromite Cr# = 0.79 (n=1).

Classification: Ureilite

Specimens: Type specimen at CEREGE. Main mass with Nourddinez Azelmat.

Data from:
  MB110
  Table 0
  Line 0:

Place of purchase:	Talsint, Morocco
Date:	P 2017 Jul
Mass (g):	61
Pieces:	11
Class:	Ureilite
Weathering grade:	high
Fayalite (mol%):	24.8±0.0 (n=3)
Magnetic suscept.:	4.28
Classifier:	J. Gattacceca, CEREGE
Type spec mass (g):	18
Type spec location:	CEREGE
Main mass:	Nourddinez Azelmat
Finder:	anonymous
Comments:	work name NA4/SP4; 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)

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 9699 approved meteorites from (Northwest Africa) (plus 1854 unapproved names)

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Revision
history:

This lists important revisions made to data for this record.

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