Sea Floor Spreading. rMagnet.swf. - ppt download

Sea Floor Spreading. rMagnet.swf. - ppt download: What is Sea Floor Spreading? Around the planet, there are ridges (under water mountain ranges) where new sea floor is being produced – Example: the Mid Atlantic Ridge At these locations, magma is rising and cooling into new oceanic crust As new crust is created, it forces the continental crust apart.