Earth's tectonic movement most likely began more than 4.2 billion years ago.
Life flourished on the planet due to a combination of ideal factors that came together for over millions of years to create the habitableScientists from the University of Rochester attempted to determine when the planet's plate tectonics began to move.It has been a perplexing problem that has divided scientists to this day. Some experts believe the tectonic movement began around three billion years ago, while others say it started around one billion years ago or earlier.
“Parent magmas are much more direct and reliable because they are closer to the source – the actual tectonic style. Our study describes the silicon and oxygen isotopic content of the zircons and the trace element content of the parental magmas, which has not been combined and presented before,” said Chowdhury.
The results of a thorough chemical examination revealed "tectonic continuity from ancient to modern times." Simply put, Earth's tectonic movement most likely began more than 4.2 billion years ago. According to the authors, this is most likely when life first appeared on Earth.The team emphasizes that this study could help us learn more about the search for life on other planets.
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