The Sea Floor Spreading Theory Was Proposed By

Mantle convection is the slow churn ing motion of earth s mantle.

The sea floor spreading theory was proposed by.

First proposed in the early 1960s by the american geologist harry h. Naval electronics laboratory in san diego in the 1960s. Seafloor spreading is a geologic process in which tectonic plate s large slabs of earth s lithosphere split apart from each other. Hess its major tenets gave great support to the theory of continental drift continental drift.

The phenomenon is known today as plate tectonics. Harry hess princeton university scientist what does seafloor spreading help support. Check all that apply. The pattern of magnetic strips shows that the seafloor is expanding at mid ocean ridges.

The seafloor spreading hypothesis was proposed by the american geophysicist harry h. Seafloor spreading theory of lithospheric evolution that holds that the ocean floors are spreading outward from vast underwater ridges. He also found out that the temperature near to the mid atlantic ridge was warmer than the surface away from it. Which statement accurately describes how magnetic stripes in ocean rock provide evidence of seafloor spreading.

He published his theory in history of ocean basins 1962 and it came to be called seafloor spreading in the early 1960s dating of ocean core samples showed that the ocean floor was younger at the mid atlantic ridge but progressively older in either direction confirming the reality of seafloor spreading. Seafloor spreading theory of lithospheric evolution that holds that the ocean floors are spreading outward from vast underwater ridges. Who proposed the theory of seafloor spreading. What evidence supports hess s theory of seafloor spreading.

A mystery solved in 1912 when alfred wegener proposed that the continents had once been joined together and had split apart the biggest weakness in his hypothesis was the lack. First proposed in the early 1960s by the american geologist harry h. Theory that new seafloor formed when magma was forced upwards toward surface at mid ocean ridge. Hess its major tenets gave great support to the theory of continental drift continental drift.

Seafloor spreading was proposed by an american geophysicist harry h. The idea that the seafloor itself moves and also carries the continents with it as it spreads from a central rift axis was proposed by harold hammond hess from princeton university and robert dietz of the u s.