English  |  Español  |  Français
Knowledge Base

Search criteria

Information Types

Subjects

Countries

Date

  • Added or updated since:

  • Custom range...

News Headline

New research uncovers continental crust emerged 500 million years earlier than thought

Source
Phys.org

Publication Date
2021-04-26

The first emergence and persistence of continental crust on Earth during the Archaean (4 billion to 2.5 billion years ago) has important implications for plate tectonics, ocean chemistry and biological evolution. This happened about a half-billion years earlier than previously thought, according to new research being presented at the EGU General Assembly 2021.

Content
https://phys.org/news/2021-04-uncovers-continental-crust-emerged-million.html