Restless earth what I should know
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This document provides an overview of key concepts about plate tectonics and geological hazards. It outlines topics like the composition of the Earth's layers, how plate tectonics drives motions at different plate boundary types, and how this relates to the formation of earthquakes, volcanoes, and landforms. The document also discusses measuring and responding to hazards, highlighting both short and long-term strategies to plan for volcanic eruptions and quakes.
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This document discusses plate tectonics and the three main types of plate boundaries. It describes how plate tectonics theory states that the lithosphere is made up of rigid plates that move over the asthenosphere. The three types of plate boundaries are divergent boundaries where plates move apart, convergent boundaries where they move together, and transform boundaries where they grind past each other. It provides examples of each boundary type and explains the geological features that form as a result of the movements and interactions of tectonic plates.Plate movement and resultant landscape
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There are three main types of plate movements that result in different landforms: convergence, divergence, and transform. Convergence occurs when plates collide, forming subduction zones, fold mountains, or continental collisions. Divergence happens when plates move apart, seen at mid-ocean ridges and rifting continents. Transform boundaries are where plates slide past each other, causing earthquakes along faults like the San Andreas. Plate tectonics shapes the Earth's surface through these movements.Convergent plate movements
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1) At a destructive plate boundary, two plates collide with one another - one plate is oceanic crust and one is continental crust. The denser oceanic crust is pushed under the continental plate at a subduction zone.
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1) At a destructive plate boundary, two plates collide with one another - one plate is oceanic crust and one is continental crust. The denser oceanic crust is pushed under the continental plate at a subduction zone.
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