Small burrows and minor sediment deformation in the Lockatong Formation (a mapped bedrock unit in Pennsylvania, New Jersey, and New York) are also known to occur; however, these shales and their layers become finer, flatter, and less disturbed as the lakes deepen.
Small burrows and minor sediment deformation in the Lockatong Formation (a mapped bedrock unit in Pennsylvania, New Jersey, and New York) are also known to occur; however, these shales and their layers become finer, flatter, and less disturbed as the lakes deepen.