Physical Sciences and Mathematics Commons^™

Origin Of Mound Structures Within The Salt Marsh Of Parramore Island, Virginia, Jonathan P. Cooper

Reports

The small circular mounds on Parramore Island have puzzled many people because of their amazing circularity and apparent lack of any trend but a south-southwest trend following the present coastline. In the middle of the island, aerial photographs show that the mounds generally decrease in size near their northern limit and the bare sandy tops disappear as the smaller mounds are completely covered with trees. The southernmost mounds are completely surrounded by salt marsh facies as compared to the dune facies in which the mounds are located to the north.

There has been much speculation as to the origin of …