It offers a unique natural experience of both high and low tides. The late precambrian age malmesbury group is the oldest rock formation in the area consisting of alternating layers of dark grey fine grained greywacke sandstone and slate seen along the rocky sea point and bloubergstrand shorelines and from the strand to gordons baythese sediments were originally deposited on an ancient continental slope by submarine slumping and turbidity currents. The hopewell rocks is located along the bay of fundy home of the highest tides in the world.