Host rocks, predominantly a fine to coarse grained lapilli tuff of Carboniferous age exhibiting strong to pervasive silica and white mica alteration, selective green illite and weak to moderate, pervasive adularia alteration and cut by irregular quartz, adularia, speculurite, hematite, pyrite, white mica, veins and veinlets
Host rocks, predominantly a fine to coarse grained lapilli tuff of Carboniferous age exhibiting strong to pervasive silica and white mica alteration, selective green illite and weak to moderate, pervasive adularia alteration and cut by irregular quartz, adularia, speculurite, hematite, pyrite, white mica, veins and veinlets