3 Kinds Of Evidence To Support Ocean Floor Spreading

1 age of rock 2 magnetic stripes 3 molten material.

3 kinds of evidence to support ocean floor spreading.

The process of sea floor spreading. Abundant evidence supports the major contentions of the seafloor spreading theory. The mid ocean ridge is the region where new oceanic crust is created. 3 types of evidence of sea floor spreading.

The glomar challenger a drilling ship built in 1968 gathered the samples. This evidence was from the investigations of the molten material seafloor drilling radiometric age dating and fossil. Seafloor spreading rates are much more rapid in the pacific ocean than in the atlantic and indian oceans. You might also like.

The idea that the earth s crust is made up of huge tectonic plates that are floating on an ocean of molten hot magma seemed too. The survey data was used to create three dimensional relief maps of the ocean floor and by 1953 american oceanic cartographer marie tharp had created the first of several maps that revealed the presence of an underwater mountain range. First samples of the deep ocean floor show that basaltic oceanic crust and overlying sediment become progressively younger as the mid ocean ridge is approached and the. This is deep ocean floor.

In a process taking tens of millions of years part of the ocean floor sinks back into the mantle at deep ocean trenches. Sea floor spreading science. Shortly after the conclusion of world war ii sonar equipped vessels crisscrossed the oceans collecting ocean depth profiles of the seafloor beneath them. Interpreting diagrams how are these matching stripes evidence of sea floor spreading.

The final proof of sea floor spreading came from rock samples obtained by drilling into the ocean floor. At spreading rates of about 15 cm plate tectonics seafloor spreading britannica. Evidence from drilling samples. What 3 types of evidence support sea floor spreading.