Compare the interactions between gravity and matter in each of the three main mechanisms that are thought to drive plate motion

Applications and Investigations in Earth Science (9th Edition)
9th Edition
ISBN:9780134746241
Author:Edward J. Tarbuck, Frederick K. Lutgens, Dennis G. Tasa
Publisher:Edward J. Tarbuck, Frederick K. Lutgens, Dennis G. Tasa
Chapter1: The Study Of Minerals
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Compare the interactions between gravity and matter in each of the three main mechanisms that are thought to drive plate motion
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Introduction

The main force which causes the plate movements is gravity. The gravitational pull acting in the crust also contributes to the plate motion. When a plate containing the oceanic lithosphere meets another plate, the dense sea lithosphere sinks under another plate and sinks into a layer: this process is called subduction. The sinking sea lithosphere absorbs the entire tectonic plate: this is a significant cause of plate movement. Therefore, the oceanic lithosphere is subdivided into several types: that process creates layers in the middle of the ocean where new, hot seashells are formed.

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