Earth's continents are slowly moving across the planet's surface due to plate tectonics ... when massive continental mass came together (for instance, the collision between East and West Gondwana ...

They form where two continental plates are forced together by the convection currents in the upper mantle. At collision zones fold mountains will be formed. These are plate boundaries where two ...

The Himalayan collision zone provides a fertile ... While the thin oceanic slabs readily subducted beneath the Eurasian Plate, the thick continental crust plowed into Eurasia with great force ...

Plate tectonics is relatively new, put forth in the last 30 years or so — its forerunner was the now-discarded continental drift theory. The theory states that Earth's outer shell is made up of ...

For at least 80 million years the oceanic Indian Plate continued its inexorable collision with southern Asia, including Tibet. The heavy ocean floor north of India acted like a giant anchor ...