Arkose thin section, Scotland.

  

            Thin section of an arkose, image between crossed polarizers.  Clear crystals are quartz, Feldspars are also visible in particular in the plane polarized image next due to the brown color caused by alteration.

          Rock fragments can also be seen.    

 

 

                  Same section viewed without analyzer.

 

 

         Detail of the same section with a higher magnification in LPA and LPNA.