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Thin Sections


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NWA 6916   contributed by Peter Marmet, IMCA 2747   MetBul Link

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View all entries for   Meteorite (1)   Peter Marmet (80)



What is a thin section?       What do all the colors mean?    
Thin section in cross-polarized light.   Eucrite

TKW 520 grams. Fall not observed. Purchased April 2011.

Peter writes:
Field of view 20 x 30 mm.

From the MetBul:
Large clasts of medium-grained, ophitic-textured eucrite within a matrix of recrystallized eucrite minerals (mostly exsolved pigeonite and calcic plagioclase) exhibiting polygonal grain boundaries.


  Click to view larger photos     #1


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Roman IMCA # 0583
 12/11/2014 2:16:03 PM		 Fascinating colors - the large view is mesmerizing . What do all the pretty colors mean ? link below the pic helped a little. Still working on that Interference Chart Iterpretation Degree, Pete :-) The MeBul description is very good too. You're very thorough . Thank You for that . Later~~~~~~~*^>
Beat Booz
 12/9/2014 1:16:01 PM		 Beautiful picture of this thin section!
 

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