arctic cold desert. absolutely lifeless plateau

action age arctic bill billow border boulder box cap cellar change chest clay climate cold desert drift epoch erosion exaratio flow geological glacial glacier glarosion global grinding ice icebox interstadial island jokull lateral line melting moraine morainisch novaya period phase photogeologic plateau plough plow plucking prairie record refrigerator river rock rocks rotted severny stream survey tableland trough valley warming wilderness zemlya