ur-continent

noun — 2 senses

ur-continent

noun

Etymology Borrowed from German Urkontinent, coined by Alfred Wegener, equivalent to ur- + continent.

1

An original or primordial continent or landmass.

  • The second group of convection currents operated in the upper half of the mantle only, split the ur-continent and carried North and South America away from Eurasia, explaining the similarity in the two coastlines—[…]2012, M. Sears, D. Merriman, Oceanography: The Past:
2

Pangaea

Entry derived from the Wiktionary, under licence CC BY-SA 4.0 — list of authors.