The North Pole - 42 expedition ... "The station drifted over several morphometric structures of the ocean floor, including the Lomonosov Ridge, the Podvodnikov Basin, and the Mendeleev Ridge's ...

It surrounds the Arctic and the North Pole. The Arctic is the coldest of ... Image caption, Image of the Earth from a satellite. The ocean floor can be flat or it can have caves and mountains.

The speed at which new ocean floor is created varies from one location on the ocean ridge to another. Between North America and Europe, the rate is about 2.2 inches (3.6 cm) per year. At the East ...