Product Description

Rock Type:  Granulite facies gneiss

Location:  Baffinland, Nunavut

Description:  The image illustrates a definite fabric in the rock trending NW-SE defined by a coarse quartz grain (central) enveloped by highly birefringent sillimanite (top) and birefringent white mica (below).  The rock was studied for its iron formation potential.