Well, first, about the giant mountain ranges:
Australian researchers have found evidence that supermountains – as tall as the Himalayas and as wide as supercontinents – formed at two critical moments in the evolution of life.
“There’s nothing like these two supermountains today,” says Ziyi Zhu, a PhD candidate at the Australian National University (ANU). “It’s not just their height – if you can imagine the 2,400 km long Himalayas repeated three or four times you get an idea of the scale.”
Lauren Fuge, “Did ancient supermountains turbocharge the evolution of life?” at Cosmos Magazine (February 6, 2022)
The Nuna Supermountain from between 2 billion to 1.8 billion years ago appeared at the same time as the life forms thought to be the ancestors of animals and plants did (eukaryotes).
Curiously, the Transgondwanan Supermountain coincided with the advent of life forms of significant size during the Cambrian Explosion of life forms around 570 to 530 million years ago.
According to the new thesis, the erosion of mountains provided nutrients that were hitherto unavailable, that helped life forms get started. Sounds like a rollout, actually.
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