Question | Answer |
Sharp, narrow ridge between two cirques, as a result of glacier erosion | Arete |
Bedrock | Solid rock that was scratched by moving glaciers |
Process by which ice breads off a glacier's end and falls into the ocean to become an iceberg | Calving |
Cirque | Bowl shaped or amphitheater sculpted out of the mountain terrain by a glacier- it is the source of a glacier |
A long narrow crack or opening in the glacier surface | Crevasse |
Drumlin | Mound of glacier till with one steep side and one gentle side, it shows the direction the glacier moved |
A rock or boulder that was moved to a new location by a glacier- it does not fit or match its environment | Erratic |
Eskers | Very long snakelike ridges of sand and gravel |
A long narrow coastal inlet with steep sides formed by glacial action | Fjord |
Glacial flour | A fine powder of silt particles that always float and make the water an aqua or milky color |
Accumulations of unsorted, mixtures of clay, silt, sand, gravel, and boulders; the usual composition of a moraine | Glacial till |
Hanging valley | A valley that ends at a cliff with a steep rock wall and usually a waterfall |
A large mass of ice that has broken away from a glacier and floats in the sea | Iceberg |
Kames | Ridge formed by a glacier; a ridte of sand and gravel left by a melting glacier |
A ridge-shaped moraine deposited at the side of a glacier and composed of material eroded from the valley wall by the moving glacier | Lateral moraine |
Medial moraine | a ridge-shaped moraine in the middle of a glacier originating from a rock outcrop |
When the position of a mountain glacier's terminus is farther up-valley than before | Retreats |
Striation | Grooves or deep scratch markes created by a glacier |
A glacial lake that is found in a cirque after the glacier melts | Tarns |
Terminal moraine | Glacial till at the end of the glacier |
A valley carved into the shape of a "U" by glacier action | U- shaped valley |
V- shaped valley | A valley carved into the shape of a "V" usually by a river |