Meteoritical Bulletin: Entry for Northwest Africa 12472

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Northwest Africa 12472

Basic information

Name: Northwest Africa 12472
This is an OFFICIAL meteorite name.
Abbreviation: NWA 12472
Observed fall: No
Year found: 2018
Country: (Northwest Africa)
Mass: 442 g

Classification
history:

Meteoritical Bulletin:	MB 108	(2020)	R3
Recommended:			R3 [explanation]

This is 1 of 81 approved meteorites classified as R3. [show all]
Search for other: Rumuruti chondrites, Rumuruti chondrites (type 3)

Comments:

Approved 27 Mar 2019

Writeup

Writeup from MB 108:

Northwest Africa 12472 (NWA 12472)

(Northwest Africa)

Purchased: 2018 March

Classification: Rumuruti chondrite (R3)

Physical characteristics: Dark stone. Cut surface reveals dark interior with small chondrules.

Petrography: Brecciated chondrite with small chondrules set in abundant matrix. Sulfides are the dominant opaque mineral. Equilibrated clasts are present and have plagioclase size below 50 µm .

Geochemistry: Fa_29.6±9.6, Fa PMD=30%, NiO 0.62±0.42 wt%, Cr₂O₃ 0.13±0.05 wt% (n=5). Type 5 clasts Fa_37.2(n=2).

Classification: Rumuruti chondrite (R3-5)

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

Data from:
  MB108
  Table 0
  Line 0:

Place of purchase:	Zagora, Morocco
Date:	P 2018 March
Mass (g):	441.7
Pieces:	3
Class:	R3
Weathering grade:	high
Fayalite (mol%):	37.2±0.1 (n=2)
Magnetic suscept.:	3.57
Classifier:	J. Gattacceca, L. Krämer Ruggiu, CEREGE
Type spec mass (g):	22.18
Type spec location:	CEREGE
Main mass:	Kuntz
Comments:	work name K381; 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)
Kuntz: Fabien Kuntz, France; Website (private address)

Catalogs:

References:

Published in Meteoritical Bulletin, no. 108 (2020) Meteorit. Planet. Sci. 55, 1146-1150

Find references in NASA ADS:
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Geography:

Coordinates:

Unknown.

Statistics:
This is 1 of 9914 approved meteorites from (Northwest Africa) (plus 1841 unapproved names)

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