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Continental Claciation
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Continental Glacier
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Outwash Plain - Large areas of glacial sediment deposited by glacial streams.
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Outwash Plain
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Horicon Marsh
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Glacial Drift Loose and unsorted rock debris distributed by glaciers and glacial melt waters. Two types: till and outwash
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Till – unsorted drift
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Outwash – glacial drift in layers
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Erratics – Large Boulders left behind by glaciers
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Moraines: a build up of sediment transported or left by the glacier
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Ground Moraine – sediment deposited under moving ice.
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End moraine - Perpendicular to glacier
Dumps sediment at the edge of the glacier. Marks the end of the glacier
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Northern Kettle Moraine -
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Devils Lake – End moraine
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Recessional Moraine Sediment dumped by retreating ice
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Recessional moraine - Alps
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Inter-lobate Moraine Kettle Moraine state forest is an example
Built between two lobes of ice.
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Kettle Depressions on outwash plain that often fill with water.
Caused by stranded ice blocks and erosion
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Kettle
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Kettle
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Madison, WI
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Greenbush Kettle
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Esker Look like inverted streams
Winding ridges of glacial drift deposited by melt-water in tunnels under the glacier A stream under a glacier
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Esker
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Esker Parnell esker
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Kame Cone shaped hill of sand and gravel;reverse funnel Two types:
Delta – meltwater deposited sediments off the top of a glacier Moulin Kame – base of a shaft through a glacier.
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Kame formation
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Drumlin Look like upside down teardrops
Tapered end shows the direction the glacier moved in . Formed from till
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Drumlin formation
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Drumlins in background
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Topographic map - drumlins
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Chatter Marks Rocks dragged by glacier left these marks
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Chatter marks
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Calving calving glacier: glacier that loses material by calving, usually a glacier that terminates in sea, lake, or river water
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Glacial Milk Glacial meltwater Looks cloudy like milk
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Glacial potholes – formed from melt water of glacier
Baraboo, Wisconsin
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