早期地球上大陆地壳的起源。
Origin of continental crust on early Earth.
作者信息
Zheng Yong-Fei
机构信息
State Key Laboratory of Lithospheric and Environmental Coevolution, School of Earth and Space Sciences, University of Science and Technology of China, China.
出版信息
Natl Sci Rev. 2025 Aug 18;12(9):nwaf341. doi: 10.1093/nsr/nwaf341. eCollection 2025 Sep.
The nature of tectonic realms is a key to the origin of continental crust on early Earth. However, it is questionable to infer the composition of major elements in crustal rocks only from the composition of trace elements in zircon. Whereas non-plate tectonics was popular in generating the mafic crust in the Hadean, the operation of plate tectonics is necessary in transforming the mafic crust to the felsic crust in the Archean.
构造域的性质是早期地球大陆地壳起源的关键。然而，仅从锆石中的微量元素组成推断地壳岩石中主要元素的组成是有问题的。虽然在冥古宙，非板块构造在镁铁质地壳的形成中很普遍，但在太古宙，板块构造的作用对于将镁铁质地壳转变为长英质地壳是必要的。
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