Plate tectonic theory

Plate tectonics described with types, examples, images, & labeled diagrams. Where are they located & what causes them to move. Learn their theory.

Above is a diagram of the conventional tectonic view of "subduction" -- the action of one plate supposedly diving beneath another plate. This diagram can be found on Wikimedia commons, and there are many more like it which all show roughly the same concept. According to the conventional view, when one plate runs into another, it will sometimes dive beneath the other plate, creating a trench (marked in the diagram above) along the line of subduction. Additionally, the conventional theory…

Rock analysis shifts the likely emergence of continental drift. Barry Keily reports.

We can blame plate tectonics for many catastrophes over time – earthquakes, volcanoes, geothermal activity, tsunamis and landslides – while people living on mountain ranges or small islands can thank the work of plate tectonics for providing them with somewhere to live. So what are tectonic plates and how do they cause all this change?

Other articles where lithosol is discussed: South America: Soils: …slopes are often steep, and lithosols (shallow soils consisting of imperfectly weathered rock fragments) abound, accounting for another 10 percent of the continent’s surface. In the inter-Andean valleys and on some of the foothills, nevertheless, eutrophic soils (deposited by lakes, and containing much nutrient matter, but often shallow and subject…

The theory, or idea, of plate tectonics says that Earth’s outer layer is made up of large, moving pieces called plates. All of Earth’s land and water sit on these plates. The…

Tectonic plates have created some of the most astonishing geologic creations on earth. Read more about the History, Theory, and Definition...

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