Harry Hess Sea Floor Spreading Ppt

Seafloor spreading had been proved.

Harry hess sea floor spreading ppt.

Topic objectives for groupreporters c. And alfred wegener was. Mapping the mid ocean ridge the east pacific rise is just one part of the mid ocean ridge the longest chain of mountains in the world. Photograph courtesy of department of geological and geophysical sciences princeton university.

This recycling process later named seafloor spreading carries off older sediment and fossils and moves the continents as new ocean crust spreads away from the ridges. The seafloor spreading hypothesis was proposed by the american geophysicist harry h. The mid ocean ridge curves like the seams of a baseball along the sea floor extending into all of earth s oceans. Supporting wegener s theory of continental drift hess explained how the once joined continents had separated into the seven that exist today.

With the discovery of plate tectonics and the mapping of the earth. Harry hess was right. Harry hess argues that the continents had once been one and have drifted apart. This product includes cornell notes an activity and a presentation with an editable mini quiz on sea floor spreading which is part of my plate tectonics double bundle interactive notebook the following topics are covered in this product mid ocean ridge sonar harry hess molten material magma.

Whats people lookup in this blog. Most of the mountains in the mid ocean ridge lie hidden under hundreds of meters of. Sea floor spreading powerpoint 1. The mid ocean ridge is where the seafloor spreading occurs in which tectonic plates large slabs of earth s lithosphere split apart from each other.

It was determined that the seafloor basalt is youngest at mid ocean ridges and oldest adjacent to continents. After the war he remained active in the naval reserve reaching the rank of rear admiral. Hess proposes sea floor spreading 1960. Harry hess 1906 1969 in his navy uniform as captain of the assault transport cape johnson during world war ii.

Harry hess and sea floor spreading alan o ailwardt unpublished harry hess and seafloor spreading the theory of plate tectonics the missing mechanism seafloor spreading alfred wegener the missing mechanism seafloor spreading alfred wegener seafloor spreading theory by harry h hess contraction. Differentiate continental crust from oceanic crust and explain why the continental crust is older than the. Enumerate and explain the evidences that support the sea floor spreading process. Sea floor spreading enumerate and explain the initial and unusual observations that led to the formulation of the sea floor spreading hypothesis.