301-pp23 - UNIVERSITY OF SOUTH ALABAMA Last Time Glacial...

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1 GY 301: Geomorphology GY 301: Geomorphology Lecture 23: Glacial Geomorphology 2: Continental Glaciers UNIVERSITY OF SOUTH ALABAMA ht p:/ www.indiana.edu/~librcsd/etext/hoosier/image/rm-01.jpg Last Time Glacial Geomorphology (alpine variety) Erosive features Depositional features Alpine Glaciers and Erosion When alpine glaciers form and advance, significant changes to the terrain will occur Before Glaciation ht p:/ www.uwsp.edu/geo/projects/virtdept/ipvft/arete.html Alpine Glaciers and Erosion When alpine glaciers form and advance, significant changes to the terrain will occur During Glaciation ht p:/ www.uwsp.edu/geo/projects/virtdept/ipvft/arete.html Alpine Glaciers and Erosion Head area features •Cirques •Arêtes •Horns •Tarns •Pater Noster lakes ht p:/ virtual.yosemite.cc.ca.us/ghayes/Tuolumne_Meadows_Field_Trip_files/image024.jpg Alpine Glaciers and Erosion Toe area features •U-shaped valleys •Truncated spurs •Hanging valleys ht p:/ virtual.yosemite.cc.ca.us/ghayes/Tuolumne_Meadows_Field_Trip_files/image024.jpg
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2 Alpine Glaciers and Deposition In alpine settings, most till is deposited in linear deposits called moraines •Lateral moraine •Medial moraines •Terminal moraines
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This note was uploaded on 02/05/2012 for the course GLY 301 taught by Professor Staff during the Fall '10 term at S. Alabama.

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301-pp23 - UNIVERSITY OF SOUTH ALABAMA Last Time Glacial...

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