Rock 365 : Day 256 : Porphryritic Banded Rhyolite

20100913

Day 256 : A porphyritic banded rhyolite from the gorge at Glen Coe, Scotland.  Keele collection.

Advertisements

~ by hypocentre on September 14, 2010.

One Response to “Rock 365 : Day 256 : Porphryritic Banded Rhyolite”

  1. good looking rhyolite! I especially like the phenocrysts and banding, it is so cool!

Comments are closed.

 
%d bloggers like this: