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Northwest Africa 8624
Basic information Name: Northwest Africa 8624
     This is an OFFICIAL meteorite name.
Abbreviation: NWA 8624
Observed fall: No
Year found: 2014
Country: Morocco
Mass:help 91 g
Classification
  history:
Meteoritical Bulletin:  MB 103  (2014)  R5
Recommended:  R5    [explanation]

This is 1 of 34 approved meteorites classified as R5.   [show all]
Search for other: Rumuruti chondrites, Rumuruti chondrites (type 4-7)
Comments: Approved 25 Nov 2014
Writeuphelp
Writeup from MB 103:

Northwest Africa 8624 (NWA 8624)

Morocco

Purchased: 2014

Classification: Rumuruti chondrite (R5)

History: Purchased in 2014 in Layoune

Physical characteristics: Six crusted stones. Cut surface reveals a dark interior with light chondrules.

Petrography: (J. Gattacceca, CEREGE) Chondrules in a recrystallized matrix (about 1:1). Chondrule mean size 580±180 μm. Olivine is the dominant silicate. Plagioclase in matrix is up to 50 μm but typically 20-30 μm. Opaques are mainly sulfides.

Geochemistry: Olivine Fa 39.6±0.0 (N=3), NiO 0.22±0.06 wt.%, FeO/MnO=81±1. Ca-pyroxene Fs14.0Wo42.5 (N=1). Plagioclase An8.3Ab87.7Or4.0 (N=1). Chromite Cr#=0.85 TiO2=2.2 wt.%. Magnetic susceptibility log χ =3.39 (χ in 10-9 m3/kg)

Classification: R5

Specimens: 34 g in CEREGE, main mass with Labenne

Data from:
  MB103
  Table 0
  Line 0:
Place of purchase:Layoune
Date:P 2014
Mass (g):91
Pieces:6
Class:R5
Fayalite (mol%):39.6±0.0
Magnetic suscept.:3.39
Classifier:J. Gattacceca, CEREGE
Type spec mass (g):21
Type spec location:CEREGE
Main mass:Labenne Luc
Comments:Submitted by J. 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 29 Oct 2018)
Labenne: 23, rue de Esperance, 75013 Paris, France; Website (private address; updated 29 Aug 2012)
Catalogs:
References: Published in Meteoritical Bulletin, no. 103, MAPS 52, 1014, May 2017, http://onlinelibrary.wiley.com/doi/10.1111/maps.12888/full
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Geography:

Morocco
Coordinates:Unknown.

Statistics:
     This is 1 of 1390 approved meteorites from Morocco (plus 16 unapproved names) (plus 1 impact crater)

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