Pacific plate

Discovery Science: Earth – Plate tectonics – Plate Boundaries

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Earth Science: Plate Boundaries For new ocean crust to continue to form, older parts of the crust must first be destroyed. This happens when tectonic plates collide with each other. When lithospheric plates meet each other, one plate can slide below the other in a process called subduction. This process, and the changes in the … Read more

Earth: Origins and Geology – Earth in Motion

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Earth Science: Origins and Geology – Plate Tectonics Earthquakes in Afghanistan, volcanoes in Java, ice-capped mountains in South America, and mid-ocean ridges and trenches are all natural phenomena caused by shifting continents or forming oceans. They are the results of hidden geological forces within the Earth. Earth in Motion How did the Atlantic Ocean spread, … Read more