Meteoritical Bulletin: Entry for Northwest Africa 12551

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Northwest Africa 12551

Basic information

Name: Northwest Africa 12551
This is an OFFICIAL meteorite name.
Abbreviation: NWA 12551
Observed fall: No
Year found: 2019
Country: Morocco
Mass: 734 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 15 May 2019

Writeup

Writeup from MB 108:

Northwest Africa 12551 (NWA 12551)

Morocco

Purchased: 2019 Jan

Classification: Rumuruti chondrite (R3)

History: Purchased in Zagora in January 2019

Physical characteristics: 29 stones ranging from 1.1 to 82.8 g. Cut surface reveals dark interior with small chondrules set in abundant dark matrix.

Petrography: (J. Gattacceca, CEREGE) Chondrite with small chondrules set in abundant matrix. Sulfides are abundant.

Geochemistry: Olivine Fa_30.8±10.8, Fa PMD 31%, range Fa_13.8-41.3, NiO 0.15±0.07 wt%. Low-Ca pyroxene Fs_30.8Wo_1.5(n=1).

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 2019 Jan
Mass (g):	733.5
Pieces:	29
Class:	R3
Weathering grade:	moderate
Fayalite (mol%):	30.8±10.8 (n=8)
Ferrosilite (mol%):	30.8 (n=1)
Wollastonite (mol%):	1.5
Magnetic suscept.:	3.34
Classifier:	J. Gattacceca, CEREGE
Type spec mass (g):	21.3
Type spec location:	CEREGE
Main mass:	Fabien Kuntz
Comments:	work name K396; 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:
Find references in Google Scholar:

Photos:

Credit	Photos
Photos uploaded by members of the Encyclopedia of Meteorites. (Caution, these are of unknown reliability)
Filip Stalmach

Geography:

Morocco

Coordinates:

Unknown.

Statistics:
This is 1 of 2163 approved meteorites from Morocco (plus 32 unapproved names) (plus 1 impact crater)

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