Scientists have made a groundbreaking discovery in northern Quebec, confirming the presence of the oldest known rocks on Earth. Led by Jonathan O’Neil at the University of Ottawa, the research team dated these ancient stones to 4.16 billion years old.
The Nuvvuagittuq Greenstone Belt, a region near Inukjuak, Nunavik, yielded this remarkable find. The discovery sheds light on Earth’s earliest days, providing a rare glimpse into the Hadean eon – its wild and chaotic origin story. This period began around 4.6 billion years ago, marked by massive impacts, volcanic activity, and no atmosphere.
The rocks formed during this time are believed to be remnants of the first continents. Studying them may reveal the early conditions that led to life. The samples offer a unique window into how the planet became habitable, from volcanic steam and comet impacts collecting into oceans.
Radiometric dating confirmed the age of these ancient stones, providing an unparalleled insight into Earth’s origins. This discovery connects today’s Earth to its earliest beginnings, helping scientists understand the complex path from a barren world to one that supports life and human existence.
Source: https://www.earth.com/news/earths-oldest-known-rocks-formed-over-four-billion-years-ago