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祁连造山带南缘乌北地体中—新元古代变质岩的成因与构造意义

摘要第7-10页
abstract第10-13页
Chapter 1 Introduction第17-31页
    §1.1 Significance and aim of the study第17-19页
    §1.2 Background of the study and research status第19-27页
        1.2.1 The generation and evolution of continents第19-21页
        1.2.2 Supercontinent recycling第21-25页
        1.2.3 Previous study of the Qilian Block第25-27页
    §1.3 Research subjects and methodology第27-28页
    §1.4 Specialty and innovation of this thesis第28-29页
    §1.5 Summary of field work and data analyses第29-31页
Chapter 2 Geological background第31-42页
    §2.1 Geological setting of the main cratons in China第31-36页
        2.1.1 Tarim Craton第31-33页
        2.1.2 Yangtze Craton第33-34页
        2.1.3 North China Craton第34-36页
    §2.2 Geological setting of Precambrian terranes within and adjacent to the Qilian orogen第36-39页
        2.2.1 Alxa Block第36页
        2.2.2 Central Qilian terrane第36-37页
        2.2.3 Hualong terrane第37页
        2.2.4 Quanji Massif第37-38页
        2.2.5 Qaidam-East Kunlun terrane第38-39页
    §2.3 Geological setting of the North Wulan terrane第39-42页
Chapter 3 Petrogenesis, provenance and tectonic setting of the early Mesoproterozoic metasupracrustal rocks第42-56页
    §3.1 Introduction第42-43页
    §3.2 Lithology and petrography of the early Mesoproterozoic unit第43-44页
    §3.3 Zircon U–Pb dating第44-46页
    §3.4 Zircon Lu–Hf isotopes第46-47页
    §3.5 Whole-rock geochemistry第47-49页
    §3.6 Discussion第49-55页
        3.6.1 Timing the deposition of the protoliths第49页
        3.6.2 Source characteristics第49-52页
        3.6.3 Sedimentary provenance第52-54页
        3.6.4 Depositional setting第54-55页
    §3.7 Summary第55-56页
Chapter 4 Petrogenesis and tectonic setting of the ~1.5 Ga gray gneisses第56-69页
    §4.1 Introduction第56-57页
    §4.2 Characteristics of the gray gneisses第57-58页
    §4.3 Zircon U–Pb dating and Lu–Hf isotopes第58-60页
    §4.4 Whole-rock Geochemistry第60-62页
    §4.5 Discussion第62-68页
        4.5.1 Timing of the trondhjemite magmatism第62-63页
        4.5.2 Petrogenesis of the gray gneisses第63-66页
        4.5.3 Tectonic setting第66-68页
    §4.6 Summary第68-69页
Chapter 5 Metamorphism of the early Mesoproterozoic metasedimentary rocks第69-100页
    §5.1 Introduction第69-70页
    §5.2 Microtextures and mineral generations第70-76页
        5.2.1 Microtextures第70-75页
        5.2.2 Summary of the mineral generations第75-76页
    §5.3 Mineral chemistry第76-83页
    §5.4 Metamorphic reaction processes第83-86页
    §5.5 P-T estimation and P-T path reconstruction第86-90页
    §5.6 Monazite microstructure, age and mineral chemistry第90-95页
    §5.7 Discussion第95-99页
        5.7.1 Monazite growth and timing of metamorphism第95-98页
        5.7.2 ~1.3?1.1 Ga metamorphism and its geological significance第98-99页
    §5.8 Summary第99-100页
Chapter 6 Petrogenesis, provenance and tectonic setting of the late Mesoproterozoic to early Neoproterozoic metasupracrustal rocks第100-114页
    §6.1 Introduction第100-101页
    §6.2 Lithology and petrography of the late Mesoproterozoic to early Neoproterozoic unit第101页
    §6.3 Zircon U–Pb dating第101-105页
    §6.4 Zircon Lu–Hf isotopes第105-106页
    §6.5 Whole-rock Geochemistry第106-107页
    §6.6 Discussion第107-112页
        6.6.1 Timing the deposition of the protoliths第107-108页
        6.6.2 Characteristics of source rocks第108-109页
        6.6.3 Sedimentary Provenance第109-112页
        6.6.4 Depositional setting第112页
    §6.7 Summary第112-114页
Chapter 7 New insights into the tectonic evolution and continental affinity of the Qilian Block第114-125页
    §7.1 Origin and tectonic evolution of the North Wulan terrane第114-118页
        7.1.1 Origin of the North Wulan terrane第114-115页
        7.1.2 Tectonic evolution and links to supercontinents第115-118页
    §7.2 Continental affinity of the Qilian Block第118-123页
        7.2.1 Regional correlations among the North Wulan, Central Qilian and Hualong terranes第118-121页
        7.2.2 Continental affinity of the Qilian Block第121-123页
    §7.3 Precambrian tectonic evolution model of the Qilian Block第123-125页
Chapter 8 Conclusions and Recommendations第125-128页
Acknowledge第128-129页
References第129-169页
Appendix第169-202页
    A.1 Analytical methods第169-172页
        A.1.1 In situ zircon U–Pb dating第169-170页
        A.1.2 In situ zircon Lu–Hf isotopic analysis第170页
        A.1.3 Whole-rock major and trace element analysis第170-171页
        A.1.4 EMPA and X-ray mapping第171页
        A.1.5 In situ monazite U–Pb dating第171-172页
    A.2 List of abbreviations第172-173页
    A.3 Tables of data第173-202页

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