The Theory Of Seafloor Spreading Is Supported By Quizlet

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The theory of seafloor spreading is supported by quizlet. Use this set of terms vocabulary and questions to develop your knowledge of sea floor spreading. That is the time it takes for new rock to form at the mid ocean ridge move atoss the ocean and sink into a trench. Harry hess s hypothesis about seafloor spreading had collected several pieces of evidence to support the theory. This evidence was from the investigations of the molten material seafloor drilling radiometric age dating and fossil ages and the magnetic stripes.

Sea floor spreading occurs when the sea floor spreads apart along divergent boundaries and forms the mid ocean ridge. As the magma is thrust up and hardens it forms new crust and the ocean floor on both sides of the mid ocean ridge move outward. Evidence of sea floor spreading. Because of these processes the ocean floor is renewed about every 200 million years.

This idea played a pivotal role in the development of the theory of plate tectonics which revolutionized geologic thought during the last quarter of the 20th century. Alfred wegener supported his theory of continental drift by making a connection between the rocks rock structures and plant and animal fossils found in both africa and south america the theory of seafloor spreading is supported by.