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Northwest Africa 11007
Basic information Name: Northwest Africa 11007
     This is an OFFICIAL meteorite name.
Abbreviation: NWA 11007
Observed fall: No
Year found: 2016
Country: Morocco
Mass:help 1898 g
Classification
  history:
Meteoritical Bulletin:  MB 105  (2016)  CK3
Recommended:  CK3    [explanation]

This is 1 of 37 approved meteorites classified as CK3.   [show all]
Search for other: Carbonaceous chondrites, Carbonaceous chondrites (type 3), CK chondrites, CK3 chondrites, and CV-CK clan chondrites
Comments: Approved 30 Dec 2016
Writeuphelp
Writeup from MB 105:

Northwest Africa 11007 (NWA 11007)

Morocco

Purchased: Nov. 2016

Classification: Carbonaceous chondrite (CK3)

History: Purchased by Ke Zuokai in Nov. 2016 from a Moroccan dealer.

Physical characteristics: One single stone. No fusion crust.

Petrography: A few chondrules (0.4 to 2.6 mm) are embedded in olivine-rich matrix (grain size ranging up to 160 μm). Fe-rich olivine is the dominant mineral phase. Most olivine is relatively homogeneous with a mean Fa content of 32.4. However, some of the large olivine grains in chondrules exhibit strong chemical zoning from Mg-rich cores (Fa0.3-3.3) to Fe-rich rims(Fa30.0-33.6). Accessory phases include Cr, Al-bearing magnetite and sulfide. Two small CAIs (~40 μm) composed of spinel and fassaite are identified.

Geochemistry: Olivine: equilibrated 32.4±1.3 (n=21), unequilibrated Fa0.3-33.6 (n=18); Fe/Mn 107.7-164.5, plagioclase Ab74.2±5.4Or1.2±0.3 (n=25). Unequilibrated olivines are commonly present in chondrules with a few in the matrix. The PMD of Fa content of all analyzed olivine is 38.9% (n=39), and the PMD of Fs content of orthopyroxene is 6.0% (n=6).

Data from:
  MB105
  Table 0
  Line 0:
Place of purchase:Beijing, China
Date:P Nov. 2016
Mass (g):1898 gram
Pieces:1
Class:CK3
Shock stage:S3
Weathering grade:W3
Fayalite (mol%):32.4±1.3; 9.4±11.5
Ferrosilite (mol%):1.2±0.1; 7.1±7.0
Wollastonite (mol%):0.9±0.2; 44.9±5.0
Classifier:Wu Y.
Type spec mass (g):29 g
Type spec location:PMO
Main mass:Ke Zuokai
Comments:Submitted by Hsu W.
Institutions
   and collections
PMO: Purple Mountain Observatory, Nanjing, China (institutional address; updated 16 Dec 2011)
Catalogs:
References: Published in Meteoritical Bulletin, no. 105, MAPS 52, 2411, September 2017. http://onlinelibrary.wiley.com/doi/10.1111/maps.12944/full
Find references in NASA ADS:
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Geography:

Morocco
Coordinates:Unknown.

Statistics:
     This is 1 of 1374 approved meteorites from Morocco (plus 16 unapproved names) (plus 1 impact crater)

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