Mercury isotopes in eclogites constrain the sources and fates of mercury during oceanic subduction and continental collision  

大洋俯冲和大陆碰撞过程中汞的来源和归宿

作　　者：Di Chen Anbo Luo Zhendong Tian Changzhou Deng Stephen E.Grasby Yi-Xiang Chen Runsheng Yin 陈笛;罗安波;田振东;邓昌州;Stephen E.Grasby;陈伊翔;尹润生

机构地区：[1]State Key Laboratory of Ore Deposit Geochemistry,Institute of Geochemistry,Chinese Academy of Sciences,Guiyang 550081,China [2]University of Chinese Academy of Sciences,Beijing 100049,China [3]Department of Earth Energy and Environment,University of Calgary,Calgary T2N1N4,Canada [4]CAS Center for Excellence in Comparative Planetology,Hefei 230026,China [5]State Key Laboratory of Lithospheric and Environmental Coevolution,University of Science and Technology of China,Hefei 230026,China

出　　处：《Science Bulletin》2025年第5期657-660,共4页科学通报(英文版)

基　　金：Chinese Academy of Sciences through the Hundred Talent Plan to Runsheng Yin,and the Fundamental Research Funds for the Central Universities to Yi-Xiang Chen.

摘　　要：Mercury(Hg)is a volatile,bioaccumulative,and toxic metal of broad concern.It can travel long distances in the atmosphere as gaseous Hg(0)and enter marine and terrestrial ecosystems via wet and dry deposition pathways,leaving a potent risk to wildlife and human health[1].The global cycle of Hg involves the surface Hg cycle in the atmosphere-land-ocean system and the deep Hg cycle in interior reservoirs(e.g.,crust and mantle).The biogeochemical cycle of Hg in the atmosphere-land-ocean system has been extensively studied for decades[1].The deep Hg cycle and its linkage to the surface Hg cycle remains poorly constrained[2].Plate tectonics links surface and interior systems via oceanic subduction and continental collision.Understanding the geochemical fate of Hg during these two processes is crucial to elucidating the linkage between the surface Hg and deep Hg cycles.

关 键 词：continental OCEANIC DATING 

分 类 号：P59[天文地球—地球化学]