| Term | Definition |
|---|
| erratics | large glacial boulders that have been transported into an area |
| eskers | long, winding ridges formed when sand and gravel fill meltwater tunnuls beneath a glacier |
| firn | partially compacted and refrozen snow which has yet to become a glacier |
| kames | small, cone shaped hills formed at the glacial front by meltwater pouring sediment off the glaciers surface |
| kettles | circular hollows left in an outwash plain when a buried ice block melts |
| moraine | accumulation of glacial till |
| nunatacks | mountains that project through ice sheets |
| outwash | sediment deposited in front of a glacier by streams of meltwater |
| outwash plains | broad, stratified, gently sloping deposit of sediment formed beyond the terminal moraine by streams from a melting glacier |
| roches moutonees | mass of glacially eroded bedrock |
| rock flour | fine sand and silt formed by the crushing of rock beneath a glacier |
| snow line | the lowest level of permanent snow reaches in summer |
| striations | scratches left on rocks and bedrock by glacier movement |
| till | unsorted and ustratified rock materials carried in the botton of a glacier |
| valley glacier | a long, slow moving, wedge shaped stream of ice |
| arete | sharp divide tha seperates two adjoining cirques |
| cirque | a semicircular basin formed at the head of a glacial valley |
| crevasses | great fissures or cracks in a glacier |
| drumlins | long, canoe shaped hills made of till and shaped by an advancing glacier |
| glacial trough | a u-shaped valley formed by glacial erosion |
| horn | pyramid-shaped peak formed where 3 or more cirques meet |
| ice caps | small ice sheets, such as that found in iceland |
| ice front | end of a glacier |
| ice sheet | another name for a continental glacier |
| calving | process by which a block of a glacier breaks off and falls into the sea to form an iceberg |
| continental glacier | a large sheet of ice covering a large part of a continent |
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