So if I read this correctly, the bottom slice of the plate will be subducting, but the top part won't. Therefore when more of it subducts the top part will get

So if I read this correctly, the bottom slice of the plate will be subducting, but the top part won't. Therefore when more of it subducts the top part will get pushed up? So there's potential for a new landmass off the coast of Iberia in the next geological tick?