Henry H. hess
A man by the name of Harry Hess invented seafloor spreading. He invented seafloor spreading in the year of 1960.
In the 1960s, Harry Hess proposed a theory he called seafloor spreading.
Harry Hess discovered sea floor spreading. He was a Navy submarine commander and geologist.
A man called Harry Hess.
Harry Hess
Henry Hess
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The ages of the rocks become older the farther the way they are from the ridges. The closer they are the younger it is. This leaves evidence to the seafloor spreading theory.
Rocks in the seafloor are moving one place to another
seafloor spreading
Seafloor spreading helped prove the theory of continental drift. Pangea theory also helped.
They proved that the seafloor was spreading.
A diagram that shows how seafloor spreading works.
Seafloor spreading is triggered by a rift in a continental land mass.
Gravity in the oceanic crust is responsible for seafloor spreading.
Seafloor Spreading
Seafloor Spreading helped move the Continents to their current location.
When seafloor spreading occurs, it pushes the underground magma up though the new crust, creating a sort of volcano out of the new crust. Magma is a very important part in seafloor spreading. :]
Seafloor spreading at midoceanic ridges.
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Seafloor Spreading
The typical rates of seafloor spreading is 5 centimeters per year. Seafloor spreading is a process that occurs at mid ocean ridges.
The ages of the rocks become older the farther the way they are from the ridges. The closer they are the younger it is. This leaves evidence to the seafloor spreading theory.