Topic

Geodynamics

3 questions tagged Geodynamics β€” spanning every one of the seven Ws.

why

Why are mid-ocean ridges usually warmer than the surrounding seafloor?

Mid-ocean ridges are warm because hot mantle material rises there and freshly formed crust has not had time to cool. Heat flow decreases as the seafloor gets older and moves away from the ridge.

Earth ScienceGeodynamics
whose

Whose work first explained why Earth’s continents can drift on moving plates?

Arthur Holmes is the geologist who proposed mantle convection as the engine. His idea gave continental drift a plausible mechanism.

GeologyGeodynamics
whose

Whose work first explained continental drift with convection in the mantle?

Arthur Holmes proposed that slow convection in Earth's mantle could move continents. His idea provided a possible mechanism for Wegener's continental drift.

Earth ScienceGeodynamics