Maine Geological Survey
Photo 1: Gneiss of the Nehumkeag Pond Formation (Onp) with deformed granitic layers. The darker colored rock is layered metamorphic rock (gneiss) and the lighter colored rock is igneous rock (granite). Note the granitic rock is deformed into lensoidal shapes parallel to the layers in the surrounding rock, indicating an episode of high temperature deformation occurred after the granitic magma intruded and solidified. Shoreline exposure on the west side of Prince Point, Yarmouth.
Project Name: Bedrock Geology 24k Yarmouth
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bedrock mapping; outcrop; STATEMAP; Yarmouth
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