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In the 1830s Louis Agassiz proved that these moved, bringing with them the rocks & boulders that covered Europe |
glaciers
|
$800 |
J |
GEOLOGY |
2007-06-15 |
#5255 |
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The meltwater from these is often grayish-white because of the powdered rock they contain |
glaciers
|
$400 |
J |
GEOLOGY |
1995-05-03 |
#2468 |
|
These larges masses of flowing ice occur where winter snowfall exceeds summer melt |
glaciers
|
$200 |
DJ |
GEOLOGY |
1993-07-23 |
#2065 |
|
The movement of these rivers of ice carved the fjords |
glaciers
|
$200 |
J |
GEOLOGY |
1988-01-29 |
#790 |
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Created by perpetual snow, they move when weight on top causes bottom to turn plastic & flow |
glaciers
|
$600 |
DJ |
GEOLOGY |
1985-10-22 |
#292 |
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The largest are called ice sheets, found in Greenland & the Antarctic |
glaciers
|
$600 |
DJ |
GEOLOGY |
1985-05-21 |
#182 |