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Northwest Africa 15741
Basic information Name: Northwest Africa 15741
     This is an OFFICIAL meteorite name.
Abbreviation: NWA 15741
Observed fall: No
Year found: 2022
Country: (Northwest Africa)
Mass:help 64 g
Classification
  history:
Meteoritical Bulletin:  MB 112  (2024)  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 23 Feb 2023
Writeuphelp
Writeup from MB 112:

Northwest Africa 15741 (NWA 15741)

(Northwest Africa)

Purchased: August 2022

Classification: Rumuruti chondrite (R3)

Physical characteristics: Dark brown irregular stone. Cut surface reveals a brownish interior with chondrules and abundant matrix.

Petrography: (J. Gattacceca, CEREGE) Chondrites with chondrules with average apparent diameter 300±110 µm (n=15) set in an abundant recrystallized matrix making up about 50 vol%. Matrix plagioclase average size 20 µm. Opaque minerals are moslty weathered, with rare remnants of sulfides and metal.

Geochemistry: Olivine Fa37.7±4.28, range Fa28.3-40.9, NiO 0.17±0.05 wt% (n=6). Pyroxene Fs11.5Wo46.1 (n=1).

Classification: Rumuruti chondrite (R3)

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

Data from:
  MB112
  Table 0
  Line 0:
Place of purchase:Guelmin. Morocco
Date:P August 2022
Mass (g):64
Pieces:1
Class:R3
Weathering grade:high
Fayalite (mol%):38.7±4.3 (n=6)
Magnetic suscept.:2.97
Classifier:J. Gattacceca, CEREGE
Type spec mass (g):14.29
Type spec location:CEREGE
Main mass:Kuntz
Finder:anonymous
Comments:work name K557; 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 Gattacceca J., McCubbin F. M., Grossman J. N., Schrader D. L., Cartier C., Consolmagno G., Goodrich C., Greshake A., Gross J., Joy K. H., Miao B. and Zhang B. (2024) The Meteoritical Bulletin, no. 112. Meteoritics & Planetary Science 59, 1820–1823. ?
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Geography: 
Coordinates:Unknown.

Statistics:
     This is 1 of 9921 approved meteorites from (Northwest Africa) (plus 1838 unapproved names)

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