| Acknowledgements | 第1-6页 |
| Abstract | 第6-9页 |
| 摘要 | 第9-18页 |
| Chapter 1 Introduction | 第18-45页 |
| ·Craton and its stability | 第18-25页 |
| ·Principle characteristics of craton | 第18-19页 |
| ·Factors effecting the stability and longevity of craton | 第19-20页 |
| ·The rheology of the upper mantle | 第20-25页 |
| ·The genesis of intraplate basalts | 第25-26页 |
| ·The destruction of the NCC and the genesis of the Cenozoic basalts in the NCC | 第26-31页 |
| ·The North China Craton | 第26-27页 |
| ·The thinning of the NCC lithospheric mantle | 第27-29页 |
| ·The Cenozoic alkali basalts in the NCC | 第29-31页 |
| ·Aims of this work | 第31-32页 |
| ·Technical approach and the relative background | 第32-45页 |
| ·The general approaches to measure the water content of basalts | 第33-34页 |
| ·Background knowledge for the phenocryst-melt reverse calculation | 第34-45页 |
| Chapter 2.The analytical protocols | 第45-71页 |
| ·Measurement of water content in cpx and calculation of the water content in magma | 第45-57页 |
| ·FTIR method chosen for water content measurement | 第45-46页 |
| ·Viability of using an unpolarized method | 第46-48页 |
| ·Uncertainties related to the applied method and the obtained H20 contents | 第48-52页 |
| ·FTIR analytical procedure for the cpx and p1 phenocrysts | 第52-53页 |
| ·Estimate of the water content in the magma | 第53-57页 |
| ·Chemical composition analysis of phenocrysts | 第57页 |
| ·In-situ Oxygen isotope composition | 第57-65页 |
| ·Standards and samples | 第57-59页 |
| ·Analytical conditions | 第59-61页 |
| ·Instrumental Mass Fractionation(IMF)Corrections | 第61-63页 |
| ·Precision and accuracy | 第63-65页 |
| ·In-situ trace element analysis | 第65-67页 |
| ·In-situ Sr isotope composition analysis | 第67-71页 |
| Chapter 3.High water content in Mesozoic primitive basalts of the North China Craton andimplications for the destruction of cratonic mantle lithosphere | 第71-93页 |
| ·Introduction | 第71页 |
| ·Background of the samples | 第71-76页 |
| ·Geochemical characteristics of the bulk rocks | 第71-75页 |
| ·Petrologic characteristics of the basalts | 第75-76页 |
| ·Results | 第76-78页 |
| ·Discussion | 第78-91页 |
| ·Variations in H_2O contents of the cpx phenocrysts | 第78-79页 |
| ·H_2O content of the primitive magma | 第79-84页 |
| ·Estimated H_2O content of the lithospheric mantle | 第84-88页 |
| ·Calculated viscosity of the lithospheric mantle | 第88-91页 |
| ·Concluding remarks | 第91-93页 |
| Chapter 4. Water content and oxygen isotopic composition of alkali basalts from the TaihangMountains, China:recycled oceanic components in the mantle source | 第93-180页 |
| ·Introduction | 第93-94页 |
| ·Background of samples | 第94-96页 |
| ·Results | 第96-138页 |
| ·Chemical compositions of phenocrysts | 第96-117页 |
| ·Water contents of phenocrysts and melt | 第117-121页 |
| ·Trace elements in the cpx phenocrysts | 第121-129页 |
| ·Sr isotopes composition of the cpx phenocrysts | 第129-133页 |
| ·Oxygen isotopes of cpx phenocrysts | 第133-138页 |
| ·Discussion | 第138-155页 |
| ·Origin of high δ~(18)O value and its large heterogeneity | 第138-141页 |
| ·Mixing of two magmas | 第141-144页 |
| ·The estimation of water content in the basaltic magma | 第144-148页 |
| ·Implications for the characteristics of mantle source and the genesis of the Taihang alkali basalts | 第148-155页 |
| ·Concluding remarks | 第155-180页 |
| Chapter 5. Oceanic crust recycling in the source of alkali basalts in Shandong, eastern China | 第180-243页 |
| ·Introduction | 第180页 |
| ·Geological setting and samples | 第180-185页 |
| ·Results | 第185-219页 |
| ·Chemical composition of cpx and ol phenorysts | 第185-186页 |
| ·Water content in cpx and the calculated water content in melt | 第186-198页 |
| ·Trace elements in the cpx phenocrysts | 第198-214页 |
| ·Sr isotope compositions of the cpx phenocrsyts | 第214-215页 |
| ·Oxygen isotope compositions | 第215-219页 |
| ·Discussion | 第219-241页 |
| ·Origin of the low δ~(18)O value and the large variations | 第220-224页 |
| ·Mixing among magmas with heterogeneous oxygen isotope compositions | 第224-225页 |
| ·Water content of the parental magmas | 第225-230页 |
| ·Implications for the source components of the Shandong basalts | 第230-237页 |
| ·The possible origin of the water-rich component | 第237-239页 |
| ·The alternative explanation for the ￡Hf-￡Nd decoupling: the role of marinesediments | 第239-241页 |
| ·Comparison with Taihang alkali basalts | 第241页 |
| ·Concluding Remarks | 第241-243页 |
| Chapter 6.Summarized conclusions | 第243-246页 |
| References | 第246-274页 |
| Appiendx | 第274-316页 |
