The Theory Of Seafloor Spreading Is Supported By Quizlet

Seafloor spreading theory that oceanic crust forms along submarine mountain zones known collectively as the mid ocean ridge system and spreads out laterally away from them.

The theory of seafloor spreading is supported by quizlet.

Because of these processes the ocean floor is renewed about every 200 million years. Sea floor spreading occurs when the sea floor spreads apart along divergent boundaries and forms the mid ocean ridge. 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. Harry hess s hypothesis about seafloor spreading had collected several pieces of evidence to support the theory.

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. Use this set of terms vocabulary and questions to develop your knowledge of sea floor spreading. 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. The process of subduction and sea floor spreading can change the size and shape of the oceans.

Magma is pushed up through cracks in the crust along the mid ocean ridge. Evidence of sea floor spreading.