Meteoritical Bulletin: Entry for Northwest Africa 12482

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Northwest Africa 12482

Basic information

Name: Northwest Africa 12482
This is an OFFICIAL meteorite name.
Abbreviation: NWA 12482
Observed fall: No
Year found: 2018
Country: (Northwest Africa)
Mass: 57.2 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 12482 (NWA 12482)

(Northwest Africa)

Purchased: 2018 March

Classification: Rumuruti chondrite (R3)

Physical characteristics: Single crusted stone.

Petrography: Chondrite with well-defined small chondrules (~300 µm) set in abundant matrix. Sulfides (pentlandite, pyrrhotite) are the main opaque minerals.

Geochemistry: Olivine Fa_28.0±14.9, Fa PMD 49%, NiO 0.13±0.04 wt%, Cr₂O₃ 0.09±0.07 wt% (n=5). Orthopyroxene Fs_14.2±9.3Wo_1.1±0.3(n=3). Chromite Cr#=0.85, TiO₂ 3.42 wt%, Al₂O₃ 5.16 wt%. Magnetic susceptibility log χ (× 10^-9 m³/kg) = 3.35.

Classification: Rumuruti chondrite (R3)

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):	57.2
Pieces:	1
Class:	R3
Fayalite (mol%):	28.0±14.9 (n=5)
Ferrosilite (mol%):	14.2±9.3 (n=3)
Wollastonite (mol%):	1.1±0.3
Magnetic suscept.:	3.35
Classifier:	J. Gattacceca, L. Krämer Ruggiu, CEREGE
Type spec mass (g):	12.46
Type spec location:	CEREGE
Main mass:	Kuntz
Comments:	work name K379; 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

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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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