gneiss, Grt-Ms-Bt / Rock Metamorphic rock

gneiss, Grt-Ms-Bt / Rock Metamorphic rock

gneiss, Grt-Bt / Rock Sedimentary rock Metamorphic rock

gneiss, Bt / Rock Metamorphic rock

gneiss, Bt / Rock Metamorphic rock

Gneiss, bt / Rock Metamorphic rock

schist, Ms-Bt / Rock Metamorphic rock

schist, Bt-Ms / Rock Metamorphic rock

granite, Grt-bearing Ms-Bt / Rock Igneous rock

hornfels, Ms-Bt / Rock Sedimentary rock Metamorphic rock

hornfels, spotted Ms-Bt / Rock Metamorphic rock

hornfels, spotted Ms-Bt / Rock Metamorphic rock

hornfels, Grt-mica / Rock Metamorphic rock

schist, Bt / Rock Metamorphic rock

granite, Grt-Bt / Rock Igneous rock

Qtz schist, Bt / Rock Metamorphic rock

schist, Bt-Qtz / Rock Metamorphic rock

granite, gneissose Bt / Rock Igneous rock Metamorphic rock

hornfels, Bt / Rock Metamorphic rock

hornfels, Bt / Rock Metamorphic rock

hornfels, Bt / Rock Metamorphic rock

gneiss / Rock Metamorphic rock

gneiss / Rock Metamorphic rock

gneiss / Rock Metamorphic rock

gneiss / Rock Metamorphic rock