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Northwest Africa 8623
Basic information Name: Northwest Africa 8623
     This is an OFFICIAL meteorite name.
Abbreviation: NWA 8623
Observed fall: No
Year found: 2012
Country: Morocco
Mass:help 236 g
Classification
  history:
Meteoritical Bulletin:  MB 103  (2014)  LL6-melt breccia
Recommended:  LL6-melt breccia    [explanation]

This is 1 of 8 approved meteorites classified as LL6-melt breccia.   [show all]
Search for other: LL chondrites, LL chondrites (type 4-7), Melted chondrites, Ordinary chondrites, and Ordinary chondrites (type 4-7)
Comments: Approved 25 Nov 2014
Writeuphelp
Writeup from MB 103:

Northwest Africa 8623 (NWA 8623)

Morocco

Purchased: 2012

Classification: Ordinary chondrite (LL6, melt breccia)

History: Purchased in 2012 in Erfoud

Physical characteristics: A single crusted stone. Cut surface reveals gray cm-sized clasts in a black groundmass.

Petrography: (J. Gattacceca, CEREGE) Cm-sized chondritic clasts in a melt matrix.

Geochemistry: Olivine Fa30.9±0.2 (N=3), orthopyroxene Fs24.7±0.1Wo2.1±0.2 (N=2). Magnetic susceptibility log χ =3.67 (χ in 10-9 m3/kg).

Classification: LL6-melt breccia

Specimens: 21 g in CEREGE, main mass with Labenne

Data from:
  MB103
  Table 0
  Line 0:
Place of purchase:Erfoud
Date:P 2012
Mass (g):236
Pieces:1
Class:LL6-melt breccia
Weathering grade:W2
Fayalite (mol%):30.9±0.2 (N=3)
Ferrosilite (mol%):24.7±0.1 (N=3)
Wollastonite (mol%):2.1±0.2
Magnetic suscept.:3.67
Classifier:J. Gattacceca, CEREGE
Type spec mass (g):22
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 1406 approved meteorites from Morocco (plus 16 unapproved names) (plus 1 impact crater)

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