Memorizing seven continents feels settled, like learning the alphabet. A new study argues the ground rules are less tidy. The ...

Papers presented in a special symposium at the joint annual meeting of the Geological and Mineralogical Associations of Canada at St. John's in May, 1974. Tectonic settings for emplacement of ...

Take a hike along the mountain belts scattered around the Adriatic Sea, and you may find yourself clambering across the crumpled leftovers of a long-lost continent. This rocky jumble represents the ...

Ancient plate tectonics in the Archean period differs from modern plate tectonics in the Phanerozoic period because of the higher mantle temperatures inside the early Earth, the thicker basaltic crust ...

Some great ideas shake up the world. For centuries, the outermost layer of Earth was thought to be static, rigid, locked in place. But the theory of plate tectonics has rocked this picture of the ...