Stories by R. Damian Nance

Every 500 million years the continents assemble into a single landmass. The tectonic interactions associated with the formation and breakup of such supercontinents provide a new way to view the origin of mountain belts

Several times in earth history the continents have joined to form one body, which later broke apart. The process seems to be cyclic; it may shape geology and climate and thereby influence biological evolution