Pangaea 2026-10-25
The supercontinent assembled by the late Paleozoic and fragmented during the Mesozoic. Restored geological belts, fossil assemblages, glacial deposits, paleomagnetism and the younger seafloor spreading record provide complementary constraints on its history.
Permian 2026-10-25
The final period of the Paleozoic, immediately preceding the Triassic. A geological age does not by itself specify mechanical strength or seismic velocity.