Figure 8. Bluffs of the Presumpscot Formation exist in many parts of coastal Maine. These bluffs range from stable, to moderately eroding, to rapidly eroding from place to place. The primary control on this stability seems to be exposure to open stretches of the sea, and thus storm waves. There appear to be cycles of erosion and stability, however, so there is no guarantee that a stable, gently sloping bluff covered by trees and shrubs will not transform into a vertical cliff of bare sediment within a short period of time (and possibly landslide).

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Last updated on October 6, 2005

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