Seafloor Spreading Lecture

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Seafloor spreading lecture. An associated lecture will explain the process of seafloor spreading in detail and solidify key points. Provides mechanism for movement of continents. Sea floor spreading notes jenny 1. 3 questions raised after sea floor mapping 4.

Beginning of sea floor spreading theory 2. Alfred wegener german meteorologist who. 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. Evidence for sea floor spreading a ocean floor topography bathymetry plains oceanic ridge undersea mountain range 80 000 km long with central rift valley global map global map.

Sea floor spreading new ocean rock created at oceanic ridge moves laterally away from there gets destroyed at trenches where it sinks into mantle figure. 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. 1 mechanism explaining sea floor spreading basics for plate tectonics youtube lecture handouts get unlimited access to the best preparation resource for ugc. Learn vocabulary terms and more with flashcards games and other study tools.

Seafloor spreading theory that oceanic crust forms along submarine mountain zones and spreads out laterally away from them. All land was once one large continent later it broke apart moved to present places when. Seafloor spreading occurs along mid ocean ridges large mountain ranges rising from the ocean floor. Students will observe seafloor spreading in the classroom through a paper towel spreading center demonstration illustrating the relative motion of the plates.

Seafloor spreading slides from lectures preceding seaflor spreading exercise eileen herrstrom herrstro illinois edu 2018. Explains the discovery of sea floor spreading and what evidence there is to support it. Start studying sea floor spreading notes.