Castle Harbour, Bermuda Castle Harbour, Bermuda Castle Harbour is a large natural harbour in Bermuda. It is located between the northeastern end of the main island and St. David's Island. Originally called "Southampton Port", it was renamed as a result of its heavy fortification in the early decades of the Seventeenth century. A gem of Bermuda's coastline, it is surrounded by St. George's Parish in the north, east, south (Tucker's Town), and Hamilton Parish in the west. A chain of islands and rocks stretches across the main opening to the Atlantic Ocean, in the east, notably Cooper's Island (which was made a landmass
Geology of Bermuda Geology of Bermuda The geology of Bermuda represents an isolated limestone island in the Atlantic at the edge of the shallow Bermuda Platform. This platform is part of the larger Bermuda Pedestal (other high points include the Challenger and Plantagenet banks, separated by water 1000 feet deep. The island's volcanic basement rock is relatively shallow only 75 meters below the surface of the water and include 700 meters of tholeiitic lavas and lamprophyre sheets dated to 33 million years ago. The oceanic crust around the island is about 120 million years old. Volcaniclastic turbidite deposits 140 kilometers offshore to the