"Deciphering Archean Plate Tectonics: Between Observations and Theories"

A new study by Prof. Yong-Fei Zheng revises the traditional plate tectonics theory to better interpret Archean geological phenomena, suggesting that early Earth's plate tectonics involved both bottom-up and top-down processes, such as mantle plumes and subduction. The study integrates observations of high mantle temperatures, thick basaltic crust, and a primitive mantle composition to provide a coherent framework for understanding the formation and evolution of Archean continental crust. This holistic approach challenges the notion that plate tectonics did not apply to early Earth and offers insights into the transition from stagnant lid to mobile lid tectonics, contributing to our knowledge of Earth's geodynamic history. The research is published in Science China Earth Sciences.