The Theory Of Seafloor Spreading Is Supported By Quizlet

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 theory of seafloor spreading is supported by quizlet.

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. 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. The process of subduction and sea floor spreading can change the size and shape of the oceans. This evidence was from the investigations of the molten material seafloor drilling radiometric age dating and fossil ages and the magnetic stripes.

Use this set of terms vocabulary and questions to develop your knowledge of sea floor spreading. Because of these processes the ocean floor is renewed about every 200 million years. 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. Sea floor spreading occurs when the sea floor spreads apart along divergent boundaries and forms the mid ocean ridge.

Magma is pushed up through cracks in the crust along the mid ocean ridge. Learn with flashcards games and more for free.