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Home > Explore! > Bedrock Geology > Field Localities > Porter Point Preserve > Figure 2



Figure 2. In this image, well-developed banding in gneiss of the Cape Elizabeth Formation on the left and right sides is cut at a sharp angle by a younger pegmatite across the center. The sharp angle of the contact and the sharpness of the contact itself help distinguish this pegmatite from similar looking migmatite.


Last updated on June 15, 2008