Slate, black (Toyoma slate) / Rock Sedimentary rock

slate / Rock Sedimentary rock

slate / Rock Sedimentary rock

slate / Rock Sedimentary rock

slate / Rock Sedimentary rock

chert, green / Rock Sedimentary rock

shale, green / Rock Sedimentary rock

Coal / Rock Sedimentary rock

limestone / Rock Sedimentary rock

limestone / Rock Sedimentary rock

limestone / Rock Sedimentary rock

limestone / Rock Sedimentary rock

limestone / Rock Sedimentary rock

limestone / Rock Sedimentary rock

limestone / Rock Sedimentary rock

limestone / Rock Sedimentary rock

chert / Rock Sedimentary rock

chert / Rock Sedimentary rock

chert / Rock Sedimentary rock

chert / Rock Sedimentary rock

chert / Rock Sedimentary rock

chert / Rock Sedimentary rock

dolomite / Rock Sedimentary rock

sandstone / Rock Sedimentary rock

sandstone / Rock Sedimentary rock