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| large masses of moving ice |
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| the elevation above which ice and snow remain throughout the year |
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| an almost motionless mass of permanent snow and ice |
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| 1 of the two types of glaciers, a long narrow, wedge-shaped mass of ice. usually found in mountain regions. |
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| 2nd type of glacier covers entire continent. |
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| glacier moves when the melted ice comes in contact with the ground and acts as a lubricant, this allows the glacier to move forward by slipping |
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| glacier moves when ice crystals slip over eachother causing a slow forward motion |
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| large cracks that form in glaciers |
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| bowl shaped depression caused by glaciers pulling on rocks. |
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| sharp and jagged ridges that form between the cirques |
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| several aretes join to form a sharp pyramid like structure. |
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| resulting round knobs formedby moving glaciers. |
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| the moving of a glacier which carves a valley and sometimes makes a waterfall. |
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| large boulders that are transported by glaciers. |
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| the general term for all sediment deposited by glaciers |
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| type of glacial drift that is made from unsorted deposits of rock material. |
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| material that has been sorted and deposited in layers by streams flowing from the melted ice. |
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| one that is deposited along the sides of valley glaciers usually as a long ridge. |
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| formed when 2 or more valley glaciers join. medial moraines form the dark stripes on the glaciers surface |
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| mad eup by the unsorted material left beneath when the glacier melts |
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| long, low, tear-shaped mounds of till, often found in clusters. |
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| long, low, tear-shaped mounds of till, often found in clusters. |
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| forms when a portion of glacial ice is buried in drift. |
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| ridges made up of stratified drift material |
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| the earths slight tilt causes ice ages |
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