What is recorded here?
Hess interpreted mid-ocean ridges as rising limbs of mantle convection and proposed that continents could be carried by mantle flow. The 1962 chapter connected ocean-basin observations with a mechanism for continental movement. The problem was how continents could move without ploughing through ocean crust. Ridge structure, heat flow and limited sediments motivated an alternative moving-mantle picture. Hess called the essay geo-poetry; later magnetic evidence and modern plate-tectonic models remain separate contributions.
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Scientific scope
This is a historical hypothesis. Its assumptions about crustal hydration and Earth's early history are not all retained in modern plate tectonics, and the report is not direct experimental verification.
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People and systems
Harry Hammond Hess
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English catalogue narrative
Hess: ocean ridges and moving mantle in an ocean-basin model
Hess interpreted mid-ocean ridges as rising limbs of mantle convection and proposed that continents could be carried by mantle flow. The 1962 chapter connected ocean-basin observations with a mechanism for continental movement.
The problem was how continents could move without ploughing through ocean crust. Ridge structure, heat flow and limited sediments motivated an alternative moving-mantle picture. Hess called the essay geo-poetry; later magnetic evidence and modern plate-tectonic models remain separate contributions.
Scientific scope
This is a historical hypothesis. Its assumptions about crustal hydration and Earth's early history are not all retained in modern plate tectonics, and the report is not direct experimental verification.
People and systems
Harry Hammond Hess