Post by 1dave on Oct 21, 2024 10:31:21 GMT -5
www.worldatlas.com/geography/what-were-the-ancient-supercontinents.html
Massive sections of the world have "floated" on a layer of liquid rock for billions of years. Occasionally, ongoing plate movement means that these sections group together above the waves and comprise all or most of the planet's land; these are called 'supercontinents,' and Africa and Asia currently fit this definition. These supercontinents are typically in-between "superoceans" (an ocean larger than today's Pacific Ocean). Evidence for these landmasses comes from mineral and geologic patterns, the predictable movement of the current tectonic plates, and even similarities between flora and fauna that, based on today's world, should have no ancestral connections.
Columbia (Nuna)
Rodinia
Pannotia
Gondwana And Laurasia
Pangaea
What Were the Ancient Supercontinents?
Massive sections of the world have "floated" on a layer of liquid rock for billions of years. Occasionally, ongoing plate movement means that these sections group together above the waves and comprise all or most of the planet's land; these are called 'supercontinents,' and Africa and Asia currently fit this definition. These supercontinents are typically in-between "superoceans" (an ocean larger than today's Pacific Ocean). Evidence for these landmasses comes from mineral and geologic patterns, the predictable movement of the current tectonic plates, and even similarities between flora and fauna that, based on today's world, should have no ancestral connections.
Columbia (Nuna)
Rodinia
Pannotia
Gondwana And Laurasia
Pangaea
. Oops Rodan. 
