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Northwest Africa 13364
Basic information Name: Northwest Africa 13364
     This is an OFFICIAL meteorite name.
Abbreviation: NWA 13364
Observed fall: No
Year found: 2019
Country: Morocco
Mass:help 227 g
Recommended:  CV3    [explanation]

This is 1 of 622 approved meteorites (plus 1 unapproved name) classified as CV3.   [show all]
Search for other: Carbonaceous chondrites, Carbonaceous chondrites (type 3), CV chondrites, and CV-CK clan chondrites
Comments: Approved 19 Jul 2020
Writeup from MB 109:

Northwest Africa 13364 (NWA 13364)


Purchased: 2019

Classification: Carbonaceous chondrite (CV3)

History: The 227 g sample was purchased from Aziz Mouadine at the St. Marie aux Mines show in June, 2019.

Physical characteristics: Sample is dark-brown in color and has a blocky irregular shape. The exterior is devoid of fusion crust and chondrules are visible on the weathered exterior. The interior of the sample has a matrix that is a mixture of mottled gray and dark-red with lighter-colored chondrules and CAIs.

Petrography: Description and classification (A. Love, App) Sample has a chondritic texture composed of chondrules and CAIs and abundant AOA’s set within an opaque matrix (~52 vol%). Chondrules have an average apparent diameter of 658 µm (n=56). Some pyroxenes contain ferroan olivine veins (Fa23-41). Additional minerals are: anorthitic plagioclase, hedenbergite, diopside, chromite, rare troilite, Ca-phosphate, and secondary calcite.

Geochemistry: (A. Love, App) Olivine (Fa6.0±5.7, Fe/Mn=12.5-116.7, n=16); low Ca pyroxene (Fs1.1±0.2Wo0.9±-0.2, n=6).

Classification: Carbonaceous Chondrite (CV3) Sample is an unequilibrated CV carbonaceous chondrite based on modal abundance of matrix, mineral compositions, chondrule diameter and magnetic susceptibility.

Specimens: Marc Jost (SJS) holds the main mass. An encut and part slice weighing 31.57 g and a polished thin section are on deposit at App.

Data from:
  Table 0
  Line 0:
Place of purchase:St Marie aux Mines
Date:P 2019
Mass (g):227
Shock stage:C-S3
Weathering grade:moderate
Fayalite (mol%):6.0±5.7
Ferrosilite (mol%):1.1±0.2
Wollastonite (mol%):0.9±0.2
Magnetic suscept.:4.62
Classifier:A. Love, App
Type spec mass (g):31.57
Type spec location:App
Main mass:Marc Jost (SJS)
Comments:Submitted by Anthony Love
   and collections
App: Department of Geology, 572 Rivers St., Appalachian State University, Boone, NC 28608, United States (institutional address; updated 7 Mar 2013)
SJS: Space Jewels Switzerland, 2555 Brügg, Switzerland (private address; updated 3 Jan 2010)
References: Published in Meteoritical Bulletin, no. 109, in preparation (2020)
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     This is 1 of 2003 approved meteorites from Morocco (plus 31 unapproved names) (plus 1 impact crater)

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