Glacial Landforms

Glacial Landforms - Glacial Landforms Erosional landforms...

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Glacial Landforms Erosional landforms Ice sheets ice scoured basins the Great lakes and millions of other lakes basins on the Canadian shield and other glaciated shields roche mountonnees "rock sheep", bedrock ridges striated and polished on the stoss (up-glacier) side and plucked on the lee side where meltwater produced on the stoss side refroze to the lee side of the ridge meltwater valleys large wide valleys eroded by meltwater draining along the ice margin or spillways draining glacial lakes ( e.g. all the major valleys of the southern Canadian Interior Plains) Mountain glaciers cirque bowl-shaped rock cavity, where alpine glaciers form and then retreat to and persist; commonly have small lakes called tarns arete narrow ridge between glacial cirques and troughs horn pyramidal peak faceted by glaciation on all sides hanging valley tributary valley that hangs above the trunk valley, i.e. the floors of the two valley are a t different elevation and separated by a cliff (and thus usually waterfalls)
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This note was uploaded on 12/15/2011 for the course GLY GLY100 taught by Professor Jaymuza during the Fall '10 term at Broward College.

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Glacial Landforms - Glacial Landforms Erosional landforms...

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