Rock 366 : Day 53 : Contact Metamorphism


Day 53 : A bit of a mystery rock this one. I found it, unlabelled, in a box of rocks due to be thrown in the skip but I think it is too nice to chuck out. Some nice reaction products here. Unknown locality. Keele collection, but not for much longer. 

~ by hypocentre on February 22, 2012.

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