Maine Geological Survey
Closeup of a pit in calcareous sandstone of the Ripogenus Formation. Note the white highlights on the elliptical pit where calcite, dissolved from the calcareous rock, has been deposited.
Exact Creation Date
Credit must be given to the photographer and the Maine Geological Survey when this photo is displayed, reproduced, distributed and/or used in derivative works.
Ripogenus; dam; calcite; calcareous sandstone