greywacke, hornfelsic / Rock Sedimentary rock Metamorphic rock

phyllite, hornfelsic / Rock Sedimentary rock Metamorphic rock

sandstone (hornfels) / Rock Sedimentary rock Metamorphic rock

sandstone (hornfels) / Rock Sedimentary rock Metamorphic rock

sandstone (hornfels) / Rock Sedimentary rock Metamorphic rock

sandstone (hornfels) / Rock Sedimentary rock Metamorphic rock

hornfels, sandy / Rock Sedimentary rock Metamorphic rock

hornfels, psammitic / Rock Sedimentary rock Metamorphic rock

hornfels, psammitic / Rock Sedimentary rock Metamorphic rock

shale (hornfels) / Rock Sedimentary rock Metamorphic rock

shale (hornfels) / Rock Sedimentary rock Metamorphic rock

shale (hornfels) / Rock Sedimentary rock Metamorphic rock

hornfels from chert / Rock Sedimentary rock Metamorphic rock

hornfels (banded chert) / Rock Sedimentary rock Metamorphic rock

hornfels from sandstone / Rock Sedimentary rock Metamorphic rock

hornfels from sandstone / Rock Sedimentary rock Metamorphic rock

hornfels, Grt, from chert / Rock Sedimentary rock Metamorphic rock

sandstone and shale (hornfels) / Rock Sedimentary rock Metamorphic rock

sandstone (Bt hornfels) / Rock Sedimentary rock Metamorphic rock

sandstone (Bt hornfels) / Rock Sedimentary rock Metamorphic rock

sandstone (Bt hornfels) / Rock Sedimentary rock Metamorphic rock

honfels, Ms-Bt, from sandstone / Rock Sedimentary rock Metamorphic rock

shale (Crd hornfels) / Rock Sedimentary rock Metamorphic rock

shale (Crd hornfels) / Rock Sedimentary rock Metamorphic rock

shale (Crd hornfels) / Rock Sedimentary rock Metamorphic rock