Mantle Plume Versus Plate Tectonics | Newswise
[ad_1] Newswise — Around 56 million years ago, Europe and North America began pulling apart to form what became the ever-expanding North Atlantic Ocean. Vast amounts of molten rock from Earth’s mantle reached the ocean floor as the crust stretched and thinned, creating a volcanic rifted margin between Norway and Greenland, a marine feature that […]