Hotspot volcanoes

Volcanoes where they shouldn’t be? Maybe it’s a coat sponge

Google earth The location and characteristics of most of the world’s volcanoes can be explained with just two recipes for magma production. The melting point of rock is dependent on pressure, so hot mantle rock flowing to the surface can melt when pressure drops. Adding water also lowers the melting point, so water-laden seabed plates […]