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Thin Sections


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NWA 7203   contributed by Anne Black, IMCA 2356   MetBul Link


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View all entries for   Meteorite (2)   Anne Black (497)


Photos by John Kashuba.   Copyright (c) John Kashuba.

What is a thin section?       What do all the colors mean?    
See contributor comments below.   Angrite

TKW 107 grams. Fall not observed. Purchased 2011, Morocco.
 


Anne writes:
Acquired by Luc Labenne in 2011.

Thin section in plane polarized and cross-polarized light. This angrite has a striking quench texture. In plane polarized light the clear mineral is plagioclase and the pink mineral is pyroxene colored by titanium. Minor olivine is included in the pyroxene.

Field of view is 4.2mm wide.


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This Month

1 picture in the Queue
James Mixan
 6/21/2020 9:56:58 AM		 here is a picture from unknown material in thin section, a microprobe was done and was said to contain iron-nickel metal and kirschsteinite and hedenbergite minerals. how do i submit the image for you to look at?
Anne Black
 6/7/2018 1:58:59 PM		 Thank you, glad you like it. And yes it is amazing, it looks like feathers. But what surprised me is that there is not the slightest similarity with the other Angrites, D'Orbigny for instance. It is unique.
Paul Kurimsky
 6/7/2018 11:20:27 AM		 When I first saw this,on my phone, I thought it was copper! Amazing!!!
Stephen Amara
 6/7/2018 5:38:00 AM		 Outstanding!! Amazing textures!
 

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