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Glacial erratics aren't exactly formed. They were deposited by glaciers that were moving in that area at one time.
improved= Glacial erratics are exactly formed. Because a glacier is so heavy, the glacier can pluck large rocks as the glacier moves. When the rock is too heavy for the glacier to hold, or the glacier is retreating, it then deposits the rock in a place where it wouldn't usually be found. This is what an erratic is. A large piece of rock in an unusual surrounding.
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What else can I help you with?
What form by glacial erosion?
Eskers
Can glacial ice form during the duration of a single winter season in most glacial areas?
No
What percentage of earths water is in the form of glacial ice?
Approximately 69%
Do hills form from glacial erosions?
Well really the valleys BETWEEN hills form by glacial and/or other erosion. The hills are what's left behind.
What are the types of features that form from glacial erosion?
Glacial Erosion formed Yosemite Valley and the Sierra Nevada
What percentage of earths surface water is in the form of glacial ice?
Approximately 69%
What glacial features form in mountainous areas?
alpine glaciation
What percentage of earths surface is in the form of glacial ice?
69%
Where do many glacial lakes form?
On mountains and in cold climates
How is a varve formed?
no idea be quiet!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!! !!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!...
What are large deposits of boulders called?
The debris of boulders eroded and carried down by glaciers will eventually form moraines (mounds) where the front of the glacier melts and retreats, leaving the debris behind. Moraines can be high and wide enough to form a dam, behind which glacial melt water is trapped and lakes are formed.
What is horn and where does one form?
A glacial horn is the most extreme type of pyramidal peak. A glacial horn is often known as a horn, which is a mountaintop that has been modified by the action of ice in glaciation and frost weathering. Glacial horns are formed by glacial erosion in mountainous areas.
