"divergent" . "forcing the lithosphere apart" . "divergent margins" . "divergent plate boundary" . "separating rifts" . "divergent plate boundaries" . "spreading centre" . . "rifted" . "Divergent boundaries" . "Divergent" . . "divergent tectonic boundary" . "Divergent_boundary" . "spreading ridge" . "spreading-zone" . "plate boundaries" . "constructive plate boundaries" . "diverging plate boundary" . "spread apart" . "divergent tectonic plate boundary" . "constructive plate margin" . "extensional tectonic setting" . . . . "split from the rest of the continent" . "divergent boundary" . . "diverging" . . "divergent boundaries" . "diverge" . . . . "spreading" . "spreading center" . . "divergent continental margins" . "Divergent boundary" . "tectonic divergent boundaries" . "divergence" . "Divergent boundary" . "tectonic divergence" .