Seafloor Spreading Lecture Notes

Seafloor spreading occurs along mid ocean ridges large mountain ranges rising from the ocean floor.

Seafloor spreading lecture notes. Seafloor spreading theory that oceanic crust forms along submarine mountain zones and spreads out laterally away from them. Erth1000 lecture notes lecture 2. The mid atlantic ridge for instance separates the north american plate from the eurasian plate and the south american plate from the african plate the east pacific rise is a mid ocean ridge that runs through the eastern pacific ocean and separates the pacific plate from the north american. Sea floor spreading notes mrs.

San andreas fault convergent boundary seafloor spreading. Esci 1001 lecture notes lecture 4. 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. Mapping the mid ocean ridge the mid ocean ridge is thelongest chain of mountains in theworld in the 1950s scientist mappedthe mid ocean ridge using sonar sonar is an instrument that usessound waves to measuredistance it bounces sound waves offunderwater objects and recordsthe echoes of these.

In some places the ridge is above water iceland but mostly it is under hundreds of meters of water. Notes sea floor spreading mid ocean ridge underwater chain of mountains that extends into all the earth s oceans. Start studying sea floor spreading notes. Philippine sea plate pacific plate continental margin lecture note esci 1001 lecture notes lecture 5.

Renee schreindl 295 402 views. Oceanic crust oceanic basin seafloor spreading. Enjoy the videos and music you love upload original content and share it all with friends family and the world on youtube.