Throughout this epoch, the oceans became too salty, causing minimal life to survive in the excessively salty seas. [1] The ocean bottoms sank under the weight of accumulating meteors from the Pacific Ocean, causing the continental land masses to rise. [2]
During the Pleistocene, ocean currents shifted and climate changed, leading to the formation of glaciers and the shaping of our planet's landscape for the last 15 million years. [3] There are no great oceans on Jerusem or Edentia, only sparkling lakes and interconnecting streams. [4] Not all inhabited planets have atmospheric oceans suited to respiratory exchange of gases, such as present on Urantia. [5] Originally fresh, the ocean attained requisite saltiness over time. [6] North America's protection by oceans facilitated its peaceful and continuous development. [7]
The ideal conditions for life implantation on a planet with marine origins are provided by shallow inland seas where sunlight can penetrate more than 600 feet. [8] The weight of the oceans, in relation to land elevations, plays a crucial role in maintaining the balance between continents and sea bottoms. [9] One billion years ago, a world-wide ocean covered the entire planet of Urantia, not yet salty but a fresh-water covering for the world. [10] For oceans named in The Urantia Book see links below.