hornfels, rhyolite-derived / Rock Igneous rock Metamorphic rock

hornfels, Bt, from rhyolite welded tuff / Rock Igneous rock Pyroclastic rock Metamorphic rock

hornfels, Bt, from rhyolite welded tuff / Rock Igneous rock Pyroclastic rock Metamorphic rock

hornfels, Bt, from rhyolite welded tuff / Rock Igneous rock Pyroclastic rock Metamorphic rock

hornfels, Bt, from rhyolite welded tuff / Rock Igneous rock Pyroclastic rock Metamorphic rock

hornfels, Bt, from rhyolite welded tuff / Rock Igneous rock Pyroclastic rock Metamorphic rock

hornfels, Bt, from rhyolite welded tuff / Rock Igneous rock Pyroclastic rock Metamorphic rock

hornfels, Bt, from rhyolite welded tuff / Rock Igneous rock Pyroclastic rock Metamorphic rock

hornfels, Bt, from rhyolite welded tuff / Rock Igneous rock Pyroclastic rock Metamorphic rock

hornfels, Bt, from rhyolite welded tuff / Rock Igneous rock Pyroclastic rock Metamorphic rock

hornfels, Bt, from rhyolite welded tuff / Rock Igneous rock Pyroclastic rock Metamorphic rock

hornfels, Bt, from rhyolite welded tuff / Rock Igneous rock Pyroclastic rock Metamorphic rock

hornfels, Bt, from rhyolite welded tuff / Rock Igneous rock Pyroclastic rock Metamorphic rock

hornfels, Bt, from rhyolite welded tuff / Rock Igneous rock Pyroclastic rock Metamorphic rock

hornfels, act-Bt, from rhyolite welded tuff / Rock Igneous rock Pyroclastic rock Metamorphic rock

hornfels, Hbl-Bt, from rhyolite welded tuff / Rock Igneous rock Pyroclastic rock Metamorphic rock

hornfels, act-Bt, from rhyolite welded tuff / Rock Igneous rock Pyroclastic rock Metamorphic rock

hornfels, Bt, from dacite / Rock Igneous rock Metamorphic rock

hornfels from andesite / Rock Igneous rock Metamorphic rock

hornfels, act-Bt, from dacite / Rock Igneous rock Metamorphic rock

hornfels, Bt, from rhyodacite welded tuff / Rock Igneous rock Metamorphic rock

hornfels, Bt, from rhyodacite welded tuff / Rock Igneous rock Metamorphic rock

hornfels, Bt, from rhyodacite welded tuff / Rock Igneous rock Metamorphic rock

hornfels, Bt, from rhyodacite welded tuff / Rock Igneous rock Metamorphic rock

hornfels, Bt, from rhyodacite welded tuff / Rock Igneous rock Metamorphic rock