Oceanic - crust type that is more dense and thinner. Made of basalt, Continental - crust type that is less dense and much thicker. Made of granite, divergent - boundary type where plates are moving away from each other.Divide, convergent - boundary type where plates move towards each other. Collide, transform - boundary type where plates slide and grind past one another. , mid ocean ridge - where two oceanic plates are dividing and new crust is formed, subduction - where a more dense plate collides and is forced under another plate, rift valley - where two continental crust are pulling apart and separating, convection currents - what is the main driver for moving tectonic plates on planet Earth?, pangaea - name of the supercontinent that existed about 250 million years ago, focus - The location on a fault in the Earth where earthquakes occur, seismic wave - vibrations of energy that travel through Earth after an earthquake, epicenter - the point on earth's surface above the focus of the earthquake, mountain - forms when two continental plates collide, volcano - forms when an ocean plate collides with any other plate type. Trenches are found nearby as well.,

Geology Vocabulary

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