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斯里兰卡新元古代至早古生代地壳演化

Abstract第5-8页
详细中文摘要第9-22页
Chapter 1. Introduction第22-37页
    1.1 Research background第22-30页
        1.1.1 Supercontinent Gondwana and the location of Sri Lanka第22-25页
        1.1.2 Arc magmatism and continental growth in Gondwana第25-27页
        1.1.3 Granulite and ultrahigh-temperature (G–UHT) metamorphism in relation to supercontinent cycle第27-29页
        1.1.4 Thermobarometry on high-grade metamorphic rocks第29-30页
    1.2 Previous studies in Sri Lanka and existing controversies第30-34页
        1.2.1 Previous studies on geochemistry and geochronology第30-31页
        1.2.2 Previous petrogenetic and tectonic models第31-32页
        1.2.3 Existing controversies and problems第32-34页
    1.3 Research approaches and thesis outline第34-35页
    1.4 Completed workload第35-37页
Chapter 2: Regional geology of Sri Lanka第37-43页
    2.1 The Wanni (WC) and Kadugannawa Complex (KC)第38-40页
    2.2 The Vijayan Complex (VC)第40-41页
    2.3 The Highland Complex (HC)第41-43页
Chapter 3: Analytical methods第43-47页
    3.1 Petrography第43页
    3.2 Whole-rock geochemistry第43页
    3.3 Mineral chemistry第43页
    3.4 Zircon U–Pb geochronology第43-45页
    3.5 In situ zircon Hf isotopic analyses第45页
    3.6 LA–ICP–MS in situ garnet trace element analysis第45-46页
    3.7 Phase equilibria modelling第46-47页
Chapter 4: Neoproterozoic magmatic evolution of the Wanni–Kadugannawa–Highland Complexes第47-94页
    4.1 Introduction第47-49页
    4.2 Sample description第49-53页
        4.2.1 Samples from the Highland Complex第49-50页
        4.2.2 Samples from the Kadugannawa Complex第50-51页
        4.2.3 Samples from the Wanni Complex第51-53页
    4.3 Results第53-85页
        4.3.1 Petrography第53-57页
        4.3.2 Mineral chemistry第57-60页
        4.3.3 Geochemistry第60-69页
        4.3.4 Geochronology第69-82页
        4.3.5 Hf isotopes第82-85页
    4.4 Discussion第85-93页
        4.4.1 Petrogenetic implications第85-88页
        4.4.2 Age data implications – timing of emplacement and metamorphism第88-90页
        4.4.3 Tectonic implications第90-93页
    4.5 Conclusions第93-94页
Chapter 5: Neoproterozoic magmatic evolution of the Vijayan Complex第94-142页
    5.1 Introduction第94-95页
    5.2 Regional Geology第95-97页
    5.3 Field relations and petrography第97-103页
        5.3.1 Serpentinite第98-100页
        5.3.2 Garnet bearing mafic granulite第100页
        5.3.3 Clinopyroxenite第100-102页
        5.3.4 Hornblende biotite gneiss第102页
        5.3.5 Granodiorite gneiss第102-103页
        5.3.6 Meta-granite (TTG)第103页
    5.4 Results第103-131页
        5.4.1 Mineral Chemistry第103-113页
        5.4.2 Whole-rock geochemistry第113-118页
        5.4.3 Geochronology第118-129页
        5.4.4 Zircon Hf isotopes第129-131页
    5.5 Discussion第131-140页
        5.5.1 Petrogenesis第131-133页
        5.5.2 Age data implications-timing of emplacement and metamorphism第133-136页
        5.5.3 Tectonic setting of the VC-HC boundary and implications for regional correlation第136-140页
    5.6 Conclusions第140-142页
Chapter 6: Late Neoproterozoic–Cambrian metamorphic evolution of the Highland Complex第142-176页
    6.1 Introduction第142-143页
    6.2 Regional geology: mafic granulite in the Highland Complex第143-145页
    6.3 Samples and petrography第145-149页
        6.3.1 VC-HC-8/1: EHC第145-146页
        6.3.2 VC-HC-8/2: EHC第146页
        6.3.3 VC-HC-8/3: EHC第146-147页
        6.3.4 HC7: WHC第147-149页
        6.3.5 HC8: WHC第149页
    6.4 Results第149-165页
        6.4.1 Mineral chemistry第149-151页
        6.4.2 Zircon U–Pb geochronology第151页
        6.4.3 Zircon and Garnet LA–ICP–MS trace elements第151-155页
        6.4.4 Phase equilibria modelling第155-165页
    6.5 Discussion第165-174页
        6.5.1 Metamorphic evolution of the mafic granulites第165-170页
        6.5.2 Interpretation of zircon U–Pb age data and implications for the thermal history of the Highland Complex第170-174页
    6.6 Conclusions第174-176页
Chapter 7: Early Cambrian mantle metasomatism at the eastern suture and related mineralization第176-208页
    7.1 Introduction第176-177页
    7.2 Regional Geology第177-180页
        7.2.1 Highland–Vijayan boundary第177-178页
        7.2.2 The Seruwila iron oxide–apatite deposit ore geology第178-180页
    7.3 Sampling and petrology第180-184页
        7.3.1 Ultramafic host rocks第180-181页
        7.3.2 Massive magnetite–apatite ore rocks第181-182页
        7.3.3 Disseminated magnetite–apatite ore rocks第182-183页
        7.3.4 Transitional zone ore-bearing ultramafic rocks第183-184页
    7.4 Results第184-201页
        7.4.1 Mineral chemistry第184-193页
        7.4.2 Geochemistry第193-196页
        7.4.3 Geochronology第196-200页
        7.4.4 Lu–Hf isotopes第200-201页
    7.5 Discussion第201-208页
        7.5.1 Petrogenesis of Seruwila ultramafics: a CO2 and LREE enriched metasomatized mantle beneath VC–HC boundary?第201-202页
        7.5.2 Age data implications第202-203页
        7.5.3 Implications for Kiruna-type associated with ultramafics第203-205页
        7.5.4 The genesis of iron mineralization: magmatic or hydrothermal?第205-208页
Chapter 8: Regional linkage of Sri Lanka第208-223页
    8.1 Existing models of eastern Gondwana amalgamation and the fit of Sri Lanka第208-211页
    8.2 The Highland Complex linkage第211-217页
        8.2.1 Detrital zircon age comparison第211-212页
        8.2.2 Magmatic zircon age and isotopic signatures第212-214页
        8.2.3 Metamorphic P–T conditions第214-217页
    8.3 The Wanni Complex linkage第217-219页
    8.4 The Vijayan Complex linkage第219-221页
    8.5 Summary第221-223页
Chapter 9 Main conclusions and future research directions第223-226页
    9.1 Main conclusions第223-224页
        9.1.1 The magmatic evolution of the Wanni and Kadugannawa Complexes第223页
        9.1.2 The Neoproterozoic magmatic evolution of the Vijayan Complex第223-224页
        9.1.3 The metamorphic evolution of the Highland Complex第224页
    9.2 Future research directions第224-226页
Acknowledgements第226-228页
References第228-255页
Appendix: Author Information第255页

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