Part I -
A moraine is a glacially formed accumulation of unconsolidated glacial debris which can occur in currently glaciated and formerly glaciated regions, such as those areas
acted upon by a past glacial maximum. This debris may have been plucked off a valley floor as a glacier advanced or it may have fallen off the valley walls
as a result of frost wedging or landslide.
Moraines may be composed of debris ranging in size from silt-sized glacial flour to large boulders. The debris is typically sub-angular to rounded in shape.
The Oak Ridges Moraine is the best example of a Terminal Moraine in S. Ontario with huge benefits to the inhabitants.
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