How do seamounts and guyots form in the oceanic lithosphere?

Feb 24, 2012 ... Reveals how seafloor topography, magnetic polarity, and age are evidence for the sea floor spreading hypothesis. Today, Earth scientists accept seafloor spreading as an integral part of plate tectonics. “When you have two oceanic plates moving away from one another, that's ... Seafloor spreading occurs at divergent plate boundaries. As tectonic plates slowly move away from each other, heat from the mantle's convection currents makes ... Apr 25, 2022 ... Seafloor spreading is the process of magma welling up in the rift as the old crust pulls itself in opposite directions. Cold seawater cools the ... Hess proposes sea-floor spreading 1960. Photo: Harry Hess argues that the continents had once been one, and have drifted apart. SEAFLOOR SPREADING definition: a series of processes in which new oceanic lithosphere is created at oceanic ridges ,... | Meaning, pronunciation ... Sep 3, 2022 ... This hypothesis traces oceanic crust from its origin at a mid-ocean ridge to its destruction at a deep sea trench and is the mechanism for continental drift. Mar 24, 2025 ... seafloor spreading ... seafloor spreading, theory that oceanic crust forms along submarine mountain zones, known collectively as the mid-ocean ... Seafloor spreading ... Seafloor spreading, or seafloor spread, is a process that occurs at mid-ocean ridges, where new oceanic crust is formed through volcanic ... Seafloor Spreading is the usual process at work at divergent plate boundaries, leading to the creation of new ocean floor. As two tectonic plates slowly ...