The New Encyclopædia Britannica, Volume 19Encyclopaedia Britannica, 1981 - Encyclopedias and dictionaries |
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Page 168
... Valley in the North- west Territories of Canada . There the bedrock is fur- rowed with grooves , some of which are as much as 30 metres ( 100 feet ) deep and more than 1.5 kilometres ( one mile ) long . The grooves occur with parallel ...
... Valley in the North- west Territories of Canada . There the bedrock is fur- rowed with grooves , some of which are as much as 30 metres ( 100 feet ) deep and more than 1.5 kilometres ( one mile ) long . The grooves occur with parallel ...
Page 169
... valley U - shaped valley horn cirque waterfall Figure 2 : Changes produced by valley glaciation . cirque lake moraine - dammed lake ( A ) Unglaciated topography , characterized by V - shaped valleys and rounded to rolling hills . ( B ) ...
... valley U - shaped valley horn cirque waterfall Figure 2 : Changes produced by valley glaciation . cirque lake moraine - dammed lake ( A ) Unglaciated topography , characterized by V - shaped valleys and rounded to rolling hills . ( B ) ...
Page 170
... valley . The analysis of flow characteristics in existing valley gla- ciers reveals two general types of flow , extending flow and compressional flow . Both may occur in different reaches of the glacier stream . Extending flow occurs in ...
... valley . The analysis of flow characteristics in existing valley gla- ciers reveals two general types of flow , extending flow and compressional flow . Both may occur in different reaches of the glacier stream . Extending flow occurs in ...
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