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Northwest Africa 11538
Basic information Name: Northwest Africa 11538
     This is an OFFICIAL meteorite name.
Abbreviation: NWA 11538
Observed fall: No
Year found: 2017
Country: (Northwest Africa)
Mass:help 89.1 g
Classification
  history:
Meteoritical Bulletin:  MB 106  (2018)  LL3
Recommended:  LL3    [explanation]

This is 1 of 313 approved meteorites classified as LL3.   [show all]
Search for other: LL chondrites, LL chondrites (type 3), Ordinary chondrites, and Ordinary chondrites (type 3)
Comments: Approved 11 Dec 2017
Writeuphelp
Writeup from MB 106:

Northwest Africa 11538 (NWA 11538)

(Northwest Africa)

Purchased: 2017

Classification: Ordinary chondrite (LL3)

Physical characteristics: Brownish stone. Cut surface reveals well defined, closely packed chondrules. A 5 mm fine-grained dark clast is visible.

Petrography: (J. Gattacceca, H. Pourkhorsandi, CEREGE) Unequilibrated ordinary chondrite. Chondrule mesostasis is devitrified. Olivines are zoned.

Geochemistry: Olivine Fa7.6±7.1, range 1.0-16.9, PMD 91% (N=5), Cr2O3 in ferroan olivine 0.14±0.10 wt% (N=3). Orthopyroxene Fs18.1±8.2Wo1.0±0.2 (N=3).

Classification: LL3

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

Data from:
  MB106
  Table 0
  Line 0:
Place of purchase:Erfoud
Date:P 2017
Mass (g):89.1
Pieces:1
Class:LL3
Weathering grade:W3
Magnetic suscept.:3.48
Classifier:J. Gattacceca, H. Pourkhorsandi, CEREGE
Type spec mass (g):19.07
Type spec location:CEREGE
Main mass:Kuntz
Comments:work name K341; 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 29 Oct 2018)
Kuntz: Fabien Kuntz, France; Website (private address)
Catalogs:
References: Published in Gattacceca J., Bouvier A., Grossman J., Metzler K., and Uehara M. (2019) Meteoritical Bulletin, no. 106. Meteorit. Planet. Sci. 54 in press.
Find references in NASA ADS:
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Geography: 
Coordinates:Unknown.

Statistics:
     This is 1 of 6759 approved meteorites from (Northwest Africa) (plus 2047 unapproved names)

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