The Earth's crust in that part of the world is slowly
moving northwest, he
explained, and 40 million years ago, parts of Greenland passed over an especially hot
column of partially molten rock that now lies beneath Iceland.
Earth's crust in that part of the world is slowly
moving northwest, he
explained, and 40 million years ago, parts of Greenland passed over an especially hot
column of partially molten rock that now lies beneath Iceland.