description Onondaga Escarpment Overview
The Onondaga Escarpment is a limestone escarpment associated with the Onondaga Formation, a Middle Devonian rock unit exposed in parts of New York and Ontario. Resistant beds in this formation erode more slowly than adjacent rocks, producing a raised ridge and visible bands of bedrock. The exposed limestone records an ancient marine environment and can contain fossils, making the escarpment relevant to regional geology and field study.
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