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Geologists Find Oldest Rocks Yet in Northern Canada
But finding geological evidence of the extent of Earth's life (that is, locating rocks that formed with Earth, not on it) is ...
Knowridge Science Report18h
The oldest rocks on Earth are more than four billion years old
Earth formed about 4.6 billion years ago, during the geological eon known as the Hadean. The name “Hadean” comes from the ...
IEEE17h
A Reappraisal of Redox Melting in the Earth’s Mantle as a Function of Tectonic Setting and Time - IEEE Xplore
The lack of CRM explains the lack of carbonatites before 2·7 Ga. However, the lower fO 2 of the Archaean asthenosphere and higher volatile contents caused more prevalent HRM in the Hadean and Archaean ...