Tectonic Plates | Overview & Names Lesson Transcript Author heidi Kent View bio Instructor Rebecca Gillaspy View bio This lesson will cover what tectonic plates are, how many tectonic plates there are, where they are located, how they move, what their sizes are, and how they are ...
This process can create rift valleys, such as the East African Rift, where the African Plate is splitting into the Nubian and Somali plates. This area is also characterized by volcanic activity and earthquakes. 2.Convergent Boundaries Convergent boundaries occur where two tectonic plates are moving ...
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This creates the currents that cause the movement of tectonic plates. There are two main types of tectonic plates: Continental Oceanic The names of these plates don't necessarily indicate their location on the globe, but rather their composition. Continental plates are lighter and less den...
North American Tectonic Plates | Movement, Map & Locations from Chapter 7 / Lesson 4 110K Learn about tectonic plates in the U.S. and study the North American Plate movement. Explore the Pacific Plate’s impact, hot spots, and ages of the rocks. Related...
Earth’s tectonic plate boundaries are unusual because they can consist ofcontinent and ocean crust. Here are the 7 major tectonic plates of the world in a bit more detail. 1. Pacific Plate The Pacific major plate is the largest which underlies the Pacific Ocean. Specifically, it stretches al...
Seven of the world's major tectonic plates make up around 84 percent of the Earth's total surface. This map shows those and also includes many other plates that are too small to label. Geologists refer to the very small ones as "microplates," although that term has loose definitions. The...
s crust – the outermost layer of Earth – is arranged into a series of tectonic plates. These plates float on top of the Earth’s mantle, the semi-viscous layer that surrounds the core, and are in constant motion because of convection in the mantle. Where two plates meet, you have ...
This would also lead to an understanding of the plate kinematics and geometry of subducting plates and their boundaries, as well as the style, nature, and distribution in space and time of some of the deformation resulting from plate interactions in the Philippines, and their role in the ...
Labels used in geological map of Figure 3 are indicated, in parentheses are formational names. Age of Oligocene trap series and Eocene basaltic volcanism outside of the study area are reported. Chronostratigraphic scale after Cohen et al. [27]. Extension directions are from this study. 3. ...