PLASTICLIKE LAYER BELOW THE LITHOSPHERE

IDEA THAT CONTINENTS MOBE SLOWLY ACROSS THE CONTINETS ON EARTH

LARGE ANCIENT LANDMASS THAT CONSISTED OF ALL THE CONTINENTS ON EARTH

COMPOSED OF OCEANIC OR CONTINENTAL CRUST AND UPPER MANTLE

EXPLAINS LOCATIONS OF MOUNTAINS, TRENCHES, AND VOLCANOES

THEORY PROPOSED BY HARRY HESS THAT INCLUDES PROCESSES ALONG MID OCEAN RIDGES