| 作者简介 | 第1-9页 |
| 摘要 | 第9-13页 |
| Chapter 1 Introduction | 第13-16页 |
| §1.1 Objective | 第13页 |
| §1.2 Generation of adakites and high-Mg andesites | 第13-14页 |
| §1.3 The role of the lower continental crust in chemical geodynamics | 第14页 |
| §1.4 Recycling of lower continental crust:A case of North China craton | 第14-16页 |
| Chapter 2 Episodic Mesozoic thickening and reworking of the North China Archean lower crust correlated to the fast-spreading Pacific plate | 第16-33页 |
| §2.1 Abstract | 第16页 |
| §2.2 Introduction | 第16-18页 |
| §2.3 Geological settings and samples | 第18-21页 |
| §2.4 Analytical techniques | 第21页 |
| §2.5 Results | 第21-28页 |
| ·Zircon U-Pb geochronology | 第21-23页 |
| ·Major and trace element geochemistry | 第23-28页 |
| ·Sr-Nd isotopes | 第28页 |
| §2.6 Discussion | 第28-32页 |
| ·Petrogenesis of the Yinan adakitic granites:Melting of thickened Archean lower crust in the Early Cretaceous | 第28-30页 |
| ·A highly radiogenic Sr reservoir hidden in the NCC lower crust and its bearing on crust-mantle interaction | 第30-31页 |
| ·A temporal coincidence between Pacific plate rapid-spreading and North China crustal thickening: Implications for ancient crustal thickening to delamination | 第31-32页 |
| §2.7 Conclusions | 第32-33页 |
| Chapter 3 Recycling subcontinental plagioclase-rich lower crust in the North China craton | 第33-59页 |
| §3.1 Abstract | 第33页 |
| §3.2 Introduction | 第33-34页 |
| §3.3 Geologic background and samples | 第34-44页 |
| §3.4 Analytical methods | 第44-45页 |
| §3.5 Bulk geochemistry, phenocrystic mineralogy and melt inclusion description | 第45-46页 |
| §3.6 Discussion | 第46-58页 |
| ·Crustal assimilation and/or magma mixing at crustal depths? | 第51-52页 |
| ·Links between Eu-deficient melts and zoned clinopyroxenes at mantle depths:Clues to granulitic lower crust recycling | 第52-55页 |
| ·Destroying of a weak lower continental crust:Implications for the genesis of high-Mg andesite and the continental crust | 第55-57页 |
| ·Tracking mantle anomalies | 第57-58页 |
| §3.7 Conclusions | 第58-59页 |
| Chapter 4 Generation of Early Cretaceous Shandong high-Mg magmas involving veins plus refractory peridotites:Spatio-temporal links to delamination and cratonic instability | 第59-86页 |
| §4.1 Abstract | 第59页 |
| §4.2 Introduction | 第59-60页 |
| §4.3 Geological background and samples | 第60-62页 |
| §4.4 Analytical methods | 第62-63页 |
| §4.5 Results | 第63-74页 |
| ·Zircon U-Pb geochronology | 第63-72页 |
| ·Major and trace element geochemistry | 第72-73页 |
| ·Sr-Nd-Pb isotopes | 第73-74页 |
| §4.6 Discussion | 第74-85页 |
| ·Assimilation of crust and fractional crystallization | 第74-76页 |
| ·Refractory peridotite and enriched recycled pyroxenite within sources of Cretaceous Shandong high-Mg magmas | 第76-81页 |
| ·Spatio-temporal evidence supporting the delamination model | 第81-84页 |
| ·Speculations on cratonic instability | 第84-85页 |
| §4.7 Conclusions | 第85-86页 |
| Chapter 5 Compatibility of iron in eclogitic garnet and the origin of North China intraplate ferropicrites | 第86-109页 |
| §5.1 Abstract | 第86页 |
| §5.2 Introduction | 第86-88页 |
| §5.3 Geologic settings and samples | 第88-90页 |
| §5.4 Analytic methods | 第90-92页 |
| ·Mineral analyses | 第90页 |
| ·Bulk major and trace element analyses | 第90-91页 |
| ·Sr-Nd-Ce isotope analyses | 第91页 |
| ·Re-Os isotope analyses | 第91-92页 |
| §5.5 Bulk geochemistry and olivine phenocryst description | 第92-99页 |
| §5.6 Discussion | 第99-108页 |
| ·Crystal fractionation or crustal contamination? | 第99-101页 |
| ·Deep mantle origin of the North China intraplate ferropicrites | 第101-107页 |
| ·Iron-rich silicate melt in the Earth's deep upper mantle:Implications for very low seismic velocity anomalies | 第107-108页 |
| §5.7 Conclusions | 第108-109页 |
| Chapter 6 Synthesis and future work | 第109-111页 |
| Acknowledgements | 第111-112页 |
| References | 第112-123页 |
