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Zealandia, Earth’s eighth continent, was mostly lost to the sea. Geologists say they’ve now mapped the entirety of the underwater land mass. ... Earth’s Hidden Eighth Continent Is No Longer ...
Zealandia, considered a candidate for the Earth’s eighth continent, was mostly lost to the sea. Geologists say they’ve now mapped the entire nearly two million square miles of the underwater ...
The Zealandia continent is largely made up of two nearly parallel ridges, separated by a failed rift, where the rift breakup of the continent stops and becomes a filled graben. The ridges rise above the sea floor to heights of 1,000–1,500 m (3,300–4,900 ft), with a few rocky islands rising above sea level .
Although the existence of lost continents in the above sense is mythical (aside from Zealandia [1] and Greater Adria [2]), there were many places on Earth that were once dry land, but submerged after the ice age around 10,000 BCE due to rising sea levels, and possibly were the basis for Neolithic and Bronze Age flood myths.
The Zealandia continent is largely made up of two nearly parallel ridges, separated by a failed rift, where the rift breakup of the continent stops and becomes a filled graben. The ridges rise above the sea floor to heights of 1,000–1,500 m (3,300–4,900 ft), with a few rocky islands rising above sea level.
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A submerged continent or a sunken continent is a region of continental crust, extensive in size but mainly undersea. The terminology is used by some paleogeologists and geographers in reference to some landmasses (none of which are as large as any of the seven generally-recognized continents ).
Like most breakups, the separation of continents is not a quick and painless process.. Take the supercontinent Gondwana, for example. Some 180 million years ago, the landmass separated from what ...