moraine

Ridges or deposits of rock debris transported by a glacier.

Moraines are left after a glacier has receded, providing evidence of its former extent. Common forms are ground moraine, formed under a glacier; lateral moraine, along the sides; medial moraine, down the center; and end moraine, deposited at the terminus.
Armstrong, T., B. Roberts, and C. Swithinbank 1973. Illustrated Glossary of Snow and Ice. Scott Polar Research Institute, Special Pub. No. 4, 2d ed.; The Scholar Press Ltd., Menston, Yorkshire, UK.

The solid, crystalline form of water substance; it is found in the atmosphere as snow crystals, hail, ice pellets, etc., and on the earth's surface in forms such as hoarfrost, rime, glaze, sea ice, glacier ice, ground ice, frazil, anchor ice, etc.