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Northwest Africa 11749
Basic information Name: Northwest Africa 11749
     This is an OFFICIAL meteorite name.
Abbreviation: NWA 11749
Observed fall: No
Year found: 2016
Country: Morocco
Mass:help 460 g
Classification
  history:
Recommended:  Eucrite-unbr    [explanation]

This is 1 of 92 approved meteorites classified as Eucrite-unbr.   [show all]
Search for other: Achondrites, Eucrites, and HED achondrites
Comments: Approved 19 Apr 2018
Writeuphelp
Writeup from MB 107:

Northwest Africa 11749 (NWA 11749)

Morocco

Purchased: 2016 Oct

Classification: HED achondrite (Eucrite, unbrecciated)

History: Bought in Munich from a dealer from NWA.

Physical characteristics: Crusted stone. Cut surface reveals a rather orase-grained light grey rock.

Petrography: Unbrecciated igneous rock with subophitic texture and typical grain size 500 μm. Main minerals are pyroxene and plagioclase. Troilite (to 40 μm), chromite, ilmenite, silica polymorph, FeNi metal are present.

Geochemistry: Low-Ca pyroxene Fs63.0±0.3Wo2.2±0.4 (N=6), augite exsolution Fs26.4Wo45.0 (N=2), FeO/MnO 31.1±1.7 (N=8). Plagioclase An88.6Ab11.1Or0.3 (N=3).

Classification: Eucrite-unbr

Specimens: Type specimen at CEREGE. Main mass with Andreas Gren.

Data from:
  MB107
  Table 0
  Line 0:
Place of purchase:Munich
Date:P 2016 Oct
Mass (g):460
Pieces:3
Class:Eucrite-unbr
Weathering grade:minimal
Ferrosilite (mol%):63.0±0.3 (N=6)
Wollastonite (mol%):2.2±0.4
Magnetic suscept.:2.64
Classifier:J. Gattacceca, CEREGE
Type spec mass (g):23.9
Type spec location:CEREGE
Main mass:Andreas Gren
Comments:work name AG001; submitted by Jerome Gattacccea
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)
Gren: Andreas Gren, Hamburg, Germany (private address)
Catalogs:
References: Published in Meteoritical Bulletin, no. 107, in preparation (2018)
Find references in NASA ADS:
Find references in Google Scholar:
Geography:

Morocco
Coordinates:Unknown.

Statistics:
     This is 1 of 1386 approved meteorites from Morocco (plus 16 unapproved names) (plus 1 impact crater)

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