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Northwest Africa 10830
Basic information Name: Northwest Africa 10830
     This is an OFFICIAL meteorite name.
Abbreviation: NWA 10830
Observed fall: No
Year found: 2016
Country: Morocco
Mass:help 42.3 g
Classification
  history:
Meteoritical Bulletin:  MB 105  (2016)  LL3
Recommended:  LL3    [explanation]

This is 1 of 487 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 24 Sep 2016
Writeuphelp
Writeup from MB 105:

Northwest Africa 10830 (NWA 10830)

Morocco

Purchased: Feb 2016

Classification: Ordinary chondrite (LL3)

History: One fragment of 42.3 g was found in Morocco and was purchased in Morocco February, 2016

Petrography: The sample consists of abundant well-defined chondrules and chondrule fragments and a low abundance of matrix. Some of the chondrules still have mesostasis glass clearly indicating petrologic type 3. Low metal abundance. Mean chondrule size is >500 μm. The olivines show undulatory extinction and planar fractures indicating a S3 shock degree classification. The sample is quite fresh (W1).

Geochemistry: Olivine, Fa1–33 (n=32); low-Ca pyroxene, Fs1-28 (n = 48)

Classification: LL3 ordinary chondrite.

Specimens: 8.4 g and 1 thin section

Data from:
  MB105
  Table 0
  Line 0:
Place of purchase:Morocco
Date:P Feb 2016
Mass (g):42.3
Pieces:1
Class:LL3
Shock stage:S3
Weathering grade:W1
Fayalite (mol%):19±11 (1.7-33, n=32)
Ferrosilite (mol%):13±8 (1.9-28, n=48)
Wollastonite (mol%):1.0±0.6 (0.1-2.5, n=48)
Classifier:K. Klemm, A. Bischoff, S. Ebert, IfP
Type spec mass (g):8.4
Type spec location:IfP
Main mass:Stephan Decker, Meteorite-Museum, D-55430 Oberwesel, Germany
Finder:unknown
Comments:Sample-No. DE-42g; submitted by Ebert S.
Institutions
   and collections		 IfP: Institut für Planetologie, Wilhelm-Klemm-Str. 10, 48149 Münster, Germany (institutional address; updated 23 Jan 2012)
Catalogs:
References: Published in Meteoritical Bulletin, no. 105, MAPS 52, 2411, September 2017. http://onlinelibrary.wiley.com/doi/10.1111/maps.12944/full
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Geography:

Morocco
Coordinates:Unknown.

Statistics:
     This is 1 of 2082 approved meteorites from Morocco (plus 31 unapproved names) (plus 1 impact crater)
Also see:
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Revision
  history:
  This lists important revisions made to data for this record.

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