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Northwest Africa 13528
Basic information Name: Northwest Africa 13528
     This is an OFFICIAL meteorite name.
Abbreviation: NWA 13528
Observed fall: No
Year found: 2014
Country: (Northwest Africa)
Mass:help 5.8 g
Classification
  history:
Meteoritical Bulletin:  MB 109  (2020)  CK5
Recommended:  CK5    [explanation]

This is 1 of 217 approved meteorites classified as CK5.   [show all]
Search for other: Carbonaceous chondrites, Carbonaceous chondrites (equilibrated), CK chondrites, CK chondrites (type 4-6), and CV-CK clan chondrites
Comments: Approved 19 Nov 2020
Writeuphelp
Writeup from MB 109:

Northwest Africa 13528 (NWA 13528)

(Northwest Africa)

Purchased: 2014

Classification: Carbonaceous chondrite (CK5)

History: Purchased in 2014 by Jasper Spencer from a seller in Morocco.

Physical characteristics: Single stone with dark-brown fusion crust.

Petrography: (D. Sheikh, FSU) Sample is a carbonaceous chondrite composed of blurred chondrules (Av. ~1 mm, n=4) set in a fine-grained matrix containing secondary recrystallized intermediate plagioclase (15±5 µm). Accessory phases include pentlandite and Cr-rich magnetite.

Geochemistry: Olivine (Fa30.1±0.4, range Fa29.4-30.8, n=28), Low-Ca Pyroxene (Fs26.9±0.3Wo1.3±0.2, range Fs26.6-27.1Wo1.0-1.4, n=3).

Classification: Carbonaceous Chondrite (CK5)

Specimens: 2.1 grams at UCLA; main mass with Jasper Spencer.

Data from:
  MB109
  Table 0
  Line 0:
Place of purchase:Morocco
Date:P 2014
Mass (g):5.8
Pieces:1
Class:CK5
Shock stage:S2
Weathering grade:W1
Fayalite (mol%):30.1±0.4
Ferrosilite (mol%):26.9±0.3
Wollastonite (mol%):1.3±0.2
Classifier:D. Sheikh, FSU
Type spec mass (g):2.1
Type spec location:UCLA
Main mass:Jasper Spencer
Comments:Submitted by Daniel Sheikh
Institutions
   and collections		 UCLA: Institute of Geophysics and Planetary Physics, University of California, Los Angeles, CA 90095-1567, United States (institutional address; updated 17 Oct 2011)
FSU: Department of Geological Sciences, Florida State University, Tallahassee FL 32306-4100, United States (institutional address; updated 16 Dec 2010)
Catalogs:
References: Published in Meteoritical Bulletin, no. 109, in preparation (2020)
Find references in NASA ADS:
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Geography: 
Coordinates:Unknown.

Statistics:
     This is 1 of 9710 approved meteorites from (Northwest Africa) (plus 1853 unapproved names)
Also see:
  This lists the most popular meteorites among people who looked up this meteorite.
Revision
  history:
  This lists important revisions made to data for this record.

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