摘要
大碰撞假说是月球起源的主流观点,但却难以解释地月氧等同位素相似的问题。为此,一系列新的碰撞模型和理论被提出,但仍然存在许多争议与缺陷。随着高精度同位素分析测试技术的提升以及数值模拟技术的进步,大量新的地月同位素组成数据与数值模拟结果不断涌现,为更清晰地揭示月球起源事件提供了可能。本文回顾了月球起源理论的发展历程,简述了现行的碰撞模型和相关理论的发展现状,重点探讨同位素地球化学对月球起源事件的制约及其对各种模型的影响,以期深化对月球、地月系统以及太阳系起源和演化的理解与认知。
The Moon,the only natural satellite of the Earth,has its formation and evolution that are closely related to those of the Earth.At present,although the Giant Impact Hypothesis has become the dominant view of the origin of the Moon,this hypothesis has difficulty explaining some isotope compositions,such as the similarity in oxygen isotope composition,between the Earth and the Moon.A series of new collision models and theories have been proposed to reconcile these discrepancies,yet they remain ensnared in controversy and imperfection.With the advancement of high-precision isotope analysis and numerical simulation techniques,a large amount of new data on isotopic compositions of the Moon and the Earth continues to emerge,providing more possibilities for understanding events related to the origin of the Moon.Therefore,this paper reviews the research progress on the origin of the Moon and summarizes the current status of collision models and related theories.We focus on the isotope geochemical constraints that shape the lunar origin events and discuss their implications in different models,aiming to deepen our understanding and knowledge of the origin and evolution of the Moon,the Earth-Moon system,and the solar system.
作者
赵铁磊
刘琪
ZHAO Tie-lei;LIU Qi(State Key Laboratory of Ore Deposit Geochemistry,Institute of Geochemistry,Chinese Academy of Sciences,Guiyang 550081,China;University of Chinese Academy of Sciences,Bejing 100049,China)
出处
《矿物岩石地球化学通报》
CAS
CSCD
北大核心
2024年第5期1049-1061,共13页
Bulletin of Mineralogy, Petrology and Geochemistry
基金
中国科学院战略性先导科技专项(XDB41000000)。
