Convergent boundaries
How are oceans formed? Continents and ocean basins exist on lithospheric plates that move relative to each Other. Between their margins, new land is always.
Continental Drift Hypothesis – Wegner believed continents had once been joined, and over time they drifted apart Pangaea – the first super-continent Alfred.
Earth Shaping Chapter 16. Earth Shaping Theory It was a gradual change over time. In early 1900’s Alfred Wegener proposed the theory of continental.
Pangaea – the first super-continent
PLATE TECTONICS A UNIFYING CONCEPT FOR UNDERSTANDING EARTHQUAKES AND VOLCANOES Walter Hays, Global Alliance for Disaster Reduction, University of North.
