If certain landmasses are constrained to one of those massive shifting hulks, we can safely name it a continent? The Southwest Region has a distinct identity all its personal. Learn in regards to the local weather and geography of the Southwest, discover its historical past and meet its individuals, and be taught fun facts about this region of the US. The Southwestern area of the United States stretches from California to Colorado, extending south to the Mexican border.
In this manner, Iceland is considered a half of Europe and Madagascar a part of Africa. Extrapolating the concept to its extreme, some geographers group the Australian continental plate with other islands in the Pacific into one “quasi-continent” called Oceania. This divides the entire land surface of Earth into continents or quasi-continents. Sign up for EXPRESS SCIENCE NEWS deliveryIf a subduction zone starts on one facet of the Atlantic — Scotese thinks it will be the west side — it’ll begin to slowly drag the sea ground into the mantle. If this happens, the ridge where the Atlantic sea flooring spreads would ultimately be pulled into the Earth. At that time, most of the world’s landmass would be joined right into a super-continent known as “Pangea Ultima.” The collision might also lure an inland ocean, Scotese mentioned.