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its called a forager
A boulder left behind by a retreating glacier is known as an erratic. A glacier is a moving river of ice and snow.
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It is called a glacial erratic.
An erratic block.
its called a forager
it is called an Erratic
A boulder left behind by a retreating glacier is known as an erratic. A glacier is a moving river of ice and snow.
An erratic boulder is a rock that has been moved and left in position as the glacier recedes.
Boulder Glacier is shrinking at an increasing rate, such that it will not be classified as a glacier soon (if not already). See the link below for repeat photos.
It's called an erratic. See http://en.wikipedia.org/wiki/Glacial_erratic.
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It is called a glacial erratic.
Erratic
Erratic
Erratic
An erratic block.