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俯冲的太平洋板块与中国东部新生代玄武岩起源--来自水含量和氧同位素的制约

Acknowledgements第5-7页
中文摘要第7-10页
摘要第10-12页
Abstract第12-15页
Chapter 1.Introduction第27-39页
    1.1 The continental intraplate basalts第27-33页
        1.1.1 Research status of continental basalts from eastern China第28-31页
        1.1.2 Continental basalts studied in this work第31-33页
    1.2 New research approaches第33-37页
        1.2.1 Water content of magma and source第33-35页
        1.2.2 Oxygen isotope composition第35-37页
    1.3 Aims of this work第37-39页
Chapter 2.Geological background第39-43页
    2.1 Northeast China第39页
    2.2 The Cenozoic basalts studied in this work第39-43页
        2.2.1 Shuangliao basalts第39-40页
        2.2.2 Wulanhada basalts第40-41页
        2.2.3 Chaihe-aershan basalts第41-42页
        2.2.4 Xiaogulihe ultrapotassic basalts第42-43页
Chapter 3. Analytical methods第43-57页
    3.1 Major and trace element concentrations of bulk rock第43-44页
    3.2 Water content of clinopyroxene phenocrysts and corresponding melt第44-46页
        3.2.1 Fourier transform infrared spectroscopy (FTIR) measurement第44-46页
        3.2.2 Estimate the water content of corresponding melt第46页
        3.2.3 Errors on water content第46页
    3.3 Major element contents of phenocrysts第46-47页
    3.4 In-situ oxygen isotopic compositions of clinopyroxene phenocrysts第47-57页
        3.4.1 Analytical conditions and standards第47-48页
        3.4.2 Instrumental Mass Fractionation corrections第48-54页
        3.4.3 Precision and accuracy第54-57页
Chapter 4. Results and discussion第57-173页
    4.1 Shuangliao basalts第57-105页
        4.1.1 Results第57-90页
            4.1.1.1 Major and Trace element concentrations of bulk rock第57-64页
            4.1.1.2 Chemical compositions of phenocrysts第64-84页
            4.1.1.3 Water content of clinopyroxene phenocrysts and melts第84-87页
            4.1.1.4 Oxygen isotope compositions of clinopyroxene phenocrysts第87-90页
        4.1.2 Discussion第90-104页
            4.1.2.1 Crustal contamination and crystal fractionation第90-92页
            4.1.2.2 Heterogeneity of oxygen isotope composition第92-94页
            4.1.2.3 Water content in the "primary"melts第94-98页
                Estimation of water content in "primary" melt第94-96页
                Preservation of water content第96-98页
            4.1.2.4 Implication for the enriched components in the mantle source第98-104页
        4.1.3 Summary第104-105页
    4.2 Wulanhada basalts第105-121页
        4.2.1 Results第105-113页
            4.2.1.1 Chemical compositions of phenocrysts第105-111页
            4.2.1.2 Water content of clinopyroxene phenocrysts and melts第111页
            4.2.1.3 Oxygen isotope compositions of clinopyroxene phenocrysts第111-113页
        4.2.2 Discussion第113-120页
            4.2.2.1 Previous study第113-114页
            4.2.2.2 High oxygen isotope compositions第114-115页
            4.2.2.3 Water content in the "primary" melts第115-117页
            4.2.2.4 The enriched component in the mantle source第117-120页
        4.2.3 Summary第120-121页
    4.3 Chaihe-aershan basalts第121-165页
        4.3.1 Results第121-148页
            4.3.1.1 Major and Trace element concentrations of bulk rock第121-130页
            4.3.1.2 Chemical compositions ofphenocrysts第130页
            4.3.1.3 Water content of clinopyroxene phenocrysts and melts第130-145页
            4.3.1.4 Oxygen isotope compositions of clinopyroxene phenocrysts第145-148页
        4.3.2 Discussion第148-163页
            4.3.2.1 Crustal contamination and crystal fractionation第148-150页
            4.3.2.2 Heterogeneity of oxygen isotope composition第150-152页
            4.3.2.3 Water content in the "primary"melts第152-156页
            4.3.2.4 Enriched components in the mantle sourc第156-159页
                Component Ⅱ: Altered upper oceanic crust and GLOSS第156-158页
                Component Ⅲ: Dehydrated altered lower gabbroic oceanic crust第158-159页
            4.3.2.5 Mass-balance modeling of partial melting of proposed sourcecomponents第159-163页
        4.3.3 Summary第163-165页
    4.4 Xiaogulihe basalts第165-173页
        4.4.1 Results第165-169页
            4.4.1.1 Chemical compositions ofphenocrysts第165页
            4.4.1.2 Water content of clinopyroxene phenocrysts and melts第165-169页
        4.4.2 Discussions第169-171页
            4.4.2.1 Previous studies第169页
            4.4.2.2 Water content in the "primary" melts第169-171页
            4.4.2.3 Source of the K-rich component第171页
        4.4.3 Summary第171-173页
Chapter 5.Implications for the genesis of eastern China Cenozoic basalts第173-191页
    5.1 MTZ source constrained by water content第173-183页
        5.1.1 The proposed sources第173-174页
        5.1.2 Estimating the water content in the mantle source第174-182页
        5.1.3 MTZsource of Cenozoic basalts of eastern China第182-183页
    5.2 The role of the ongoing Pacific subduction第183-191页
        5.2.1 Recycled materials from the Pacific plate第183-184页
        5.2.2 The heterogeneous distribution of recycled materials in the mantle source ofeastern China basalts第184-188页
        5.2.3 A model for the role of the ongoing Pacific subduction in the genesis ofCenozoic magmatism in eastern China (Asia)第188-191页
Chapter 6. Conclusions第191-195页
Chapter 7. Perspectives第195-197页
References第197-215页
Appendix第215-239页

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