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 block.
The central part of the glacier moves fastest than its edges as it is thickest from the center.
its called a forager
the glacier dropped small rocks as it melted. An erratic is a large boulder left behind after a glacier has melted
A boulder left behind by a retreating glacier is known as an erratic. A glacier is a moving river of ice and snow.
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.
An erratic block.
An erratic block.
The central part of the glacier moves fastest than its edges as it is thickest from the center.
its called a forager
the glacier dropped small rocks as it melted. An erratic is a large boulder left behind after a glacier has melted
the glacier dropped small rocks as it melted. An erratic is a large boulder left behind after a glacier has melted
the glacier dropped small rocks as it melted. An erratic is a large boulder left behind after a glacier has melted
the glacier dropped small rocks as it melted. An erratic is a large boulder left behind after a glacier has melted
the glacier dropped small rocks as it melted. An erratic is a large boulder left behind after a glacier has melted
Any large mass of ice that moves slowly over ice is called a glacier.