supercontinent


Also found in: Dictionary, Wikipedia.
Related to supercontinent: Supercontinent cycle

supercontinent

a great landmass thought to have existed in the geological past and to have split into smaller landmasses, which drifted and formed the present continents

supercontinent

[′sü·pər‚känt·ən·ənt]
(geology)
A large continental mass, such as Pangea, that existed early in geologic time and from which smaller continents formed and separated by fragmentation and drifting.
References in periodicals archive ?
Russia also has claims to occupy the centre and core of the supercontinent, to "provide a bridge between Europe and China", as Magaes puts it.
We show that the formation of supercontinents and this recent reprocessing of the Earths mantle material recent in the last 20 percent of Earths history - are important in maintaining chemical diversity in the mantle, stresses Sarah Mazza.
It also puts its mark elsewhere on the Eurasian supercontinent. In the words of analyst Galip Dalay, the Middle East or West Asia will, for better or for worse, shape each other.
Success will also be determined by how the BRI accommodates or challenges the existing regional powers on the Eurasian supercontinent, as well as the current global superpower, the United States.
Some 170 million years ago, shortly after the supercontinent Pangaea began to break up, the land that is now Skye was part of a smaller subtropical island.
The evolution of tetrapods - four legged vertebrates- from fishes was a key event in human ancestry and for a long time scientists have assumed that they had originated in Laurasia - the smaller supercontinent which included modern day North America, Greenland and Europe.
These plates move around at speeds of about 5cm per year - and eventually this movement brings all the continents together and forms what is known as a supercontinent.
Even as we're taking in, say, NGC 1275, a galaxy about 225 million light-years away, an observer there could be admiring the supercontinent Pangaea, which existed on our planet 225 million years ago.
The existing beautiful landforms and diversity of life came into being as a result of fragmentation of the supercontinent, Pangea, followed by continuous migration, sinking and upheaval of the landmass.
The second volume focuses on the Laurasiatheria, placental mammals that originated on the northern supercontinent of Laurasia.
With the disappearance of old ideological battle lines and the establishment of new trade links, a new geographic entity has started to emerge: Eurasia, the supercontinent extending from Lisbon to Shanghai or even Jakarta.
The highly anticipated third title in the Stormlight Archive series picks up where the second book left off--with the devastating Everstorm passing over the Roshar supercontinent, awakening enslaved Parshmen who transform into Voidbringers, creatures of destruction.