Geology of the Pacific Ocean Geology of the Pacific Ocean The Pacific Ocean evolved in the Mesozoic from the Panthalassic Ocean, which had formed when Rodinia rifted apart around 750 Ma. The first ocean floor which is part of the current Pacific Plate began 160 Ma to the west of the central Pacific and subsequently developed into the largest oceanic plate on Earth. The tectonic plates continue to move today. The slowest spreading ridge is the Gakkel Ridge on the Arctic Ocean floor, which spreads at less than , while the fastest, the East Pacific Rise near Easter Island, has a spreading rate of over
Mid-Atlantic Regional Council on the Ocean (MARCO) for which we share responsibility remain healthy, resilient and productive for our children and theirs." Sarah Chasis, Senior Attorney and Director, Ocean Initiative, New York of the Natural Resources Defense Council noted in a blog posting that with the initiative "the Mid-Atlantic jumps to being a regional player on the ocean protection scene, on par with ecosystem-wide efforts by bodies like the West Coast Governors' Agreement." Mid-Atlantic Regional Council on the Ocean (MARCO) Mid-Atlantic Regional Council on the Ocean is a regional initiative by states in the Mid-Atlantic States region "to maintain and improve the health of our ocean and