Question

Which of the following were the evidences leading to proposition of Seafloor Spreading theory :

1.Younger and thin sediments on the ocean floor.
2.Similarity of equidistant rocks on either sides of ridge.
3.Frequent volcanic eruptions in mid oceanic ridge.

• A. 1,3 only
• B. 1,2 only
• C. 2,3 only
• D. All of the above.

Answer 1

The correct option is D All of the above.

Ocean mapping led to the observations such as volcanic eruptions,rock compositions,sediment distributions,ocean floor configurations.These led to indication of spread of seafloor to generate newer floor.