drumlinization
Drumlinization is a glacial geomorphological process responsible for the formation of drumlins. These are elongated, streamlined hills formed by the action of flowing ice. The process involves the deposition and subsequent molding of glacial till, a mixture of clay, silt, sand, gravel, and boulders. As a glacier moves, it picks up and transports this material. When conditions change, such as a decrease in ice velocity or the melting of the ice, the till is deposited.
The characteristic shape of a drumlin, with a blunt, stoss end facing the direction of ice flow