glaciers part 2

glaciers part 2 - Continental Ice Sheets Alpine Glaciers...

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Continental Ice Sheets Continental Ice Sheets Highland Icefield Alpine Glaciers Mountain Glaciers
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Continental Ice Sheets Huge amount of erosion Topographic flattening Figure 19-21 deposition al erosion al
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Continental Ice Moraines Similar to mountain glaciers – terminal, recessional (no lateral or medial) Ground moraines = till- covered areas, not well- developed ridges; irregular, rolling topography Figure 19-23
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Continental Ice Sheets: Ice Origin Drumlins Depositi on Till (smaller than moraines) Long axis shows ice movement direction Ice-origination side is blunt Rouches mountonée s Erosion Bedrock Long axis shows ice movement direction Ice-origination side is smooth & rounded Drumli n Rouches Mountonées Ice Origin
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Continental Ice Kettle Lakes 1. Large ice blocks surrounded by glacial drift during glacial retreat 2. Ice melts 3. Depression (<10 m) 4. Sometimes water accumulates & kettle lake
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Continental Ice Sheets: Great Lakes Laurentide ice sheet recession Meltwater filled glacier- formed basin
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This note was uploaded on 02/17/2011 for the course GEOL 201 taught by Professor Baruah during the Spring '10 term at South Carolina.

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glaciers part 2 - Continental Ice Sheets Alpine Glaciers...

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