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Petrogenesis and Metamorphism of Paleoproterozoic Amphibolites from the Quanji Massif, Northwestern China and Tectonic Implications

Introduction to Author第7-10页
摘要第10-11页
ABSTRACT第11-12页
Chapter 1 Introduction第16-34页
    1.1 Background of the study第16-17页
    1.2 Contraversals on Evolution of the global Supercontinents during the Paleoproterozoic第17-21页
        1.2.1 The Kenorland Supercontinent第18-20页
        1.2.2 The Columbia Supercontinent第20-21页
    1.3 Contraversals on Evolution of the China Cratons during Paleoproterozoic第21-26页
        1.3.1 The North China Craton第21-24页
        1.3.2 The Tarim Craton第24-25页
        1.3.3 Quanji Massif第25-26页
    1.4 Summary of the controversials and Statement of the Study第26-28页
        1.4.1 The Summary of the controversials第26-27页
        1.4.2 Statement of study第27-28页
    1.5 Aims,Issues,Means and Schemes of Study第28-32页
        1.5.1 Aims第28-29页
        1.5.2 Study issues第29-30页
        1.5.3 Means and schemes第30-32页
    1.6 Key Scientific Issues of the Study第32页
    1.7 Innovations of the Study第32-33页
    1.8 Summary of fieldwork and measured data for the study第33-34页
Chapter 2 The Analytical Methods第34-38页
    2.1 Introduction第34页
    2.2 Whole Rock Geochemistry第34-35页
        2.2.1 Major and trace elements第34-35页
        2.2.2 Whole rock Nd-Sr-Pb isotopes第35页
    2.3 Zircon analysis第35-36页
    2.4 Mineral Chemistry第36-38页
Chapter 3 The Regional Geology第38-47页
    3.1 Introduction第38-39页
    3.2 The North China Craton第39-41页
    3.3 Tarim Craton第41页
    3.4 The Qilian block第41-42页
    3.5 The Qaidam block第42-43页
    3.6 Quanji Massif第43-45页
    3.7 Summary第45-47页
Chapter 4 Study of The Early Paleoproterozoic Garnet Amphibolites from WulanRegion第47-72页
    4.1 Introduction第47页
    4.2 Geology and petrography第47-50页
    4.3 Geochemical characteristics第50-55页
        4.3.1 Major and trace elements第50-54页
        4.3.2 Nd-Sr-Pb isotopes第54-55页
    4.4 Constraint on timing of the garnet amphibolites formation第55-61页
    4.5 Petrogenesis of amphibolites第61-64页
        4.5.1 Magma crystallization differentiation第61-62页
        4.5.2 Crustal contamination in the amphibolites第62-64页
    4.6 Mantle nature第64-68页
    4.7 The Tectonic settings第68-71页
    4.8 Prelimianry Summary第71-72页
Chapter 5 Study of The Late Paleoproterozoic Amphibolites from Delingha Region第72-98页
    5.1 Introduction第72页
    5.2 Geology and petrography第72-76页
    5.3 Geochemical characteristics第76-84页
        5.3.1 Major and trace elements第76-80页
        5.3.2 Nd-Sr-Pb isotopes第80-84页
    5.4 Zircon U-Pb geochronology第84-88页
    5.5 Constraints on age of the amphibolite within the UDG第88页
    5.6 Petrogenesis of amphibolites第88-92页
        5.6.1 Magma crystallization differentiation第89-90页
        5.6.2 Crustal contamination第90-92页
    5.7 Mantle Nature第92-94页
    5.8 Tectonic settings第94-96页
    5.9 Prelimianry Summary第96-98页
Chapter 6 Metamorphism of the garnet amphibolites第98-135页
    6.1 Introduction第98页
    6.2 Microstrctures and mineral generations第98-101页
    6.3 Mineral compositions第101-112页
        6.3.1 Garnet第101-106页
        6.3.2 Pyroxene第106页
        6.3.3 Amphibole第106-110页
        6.3.4 Plagioclase第110-112页
    6.4 Estimation of P-T Conditions第112-115页
        6.4.1 Comments on geothermometer and geobarometer used in mafic metamorphic rocks第112-114页
        6.4.2 Estimation of pressure and temperature conditions of the garnet amphibolites in Wulan region第114-115页
    6.5 Metamorphic Geochronology第115-128页
        6.5.1 Sample collection第115-116页
        6.5.2 Results第116-128页
    6.6 P-T Path Reconstruction第128-132页
        6.6.1 Reconstruction of P-T Path第128页
        6.6.2 Reconstruction of P-T-t Path第128-131页
        6.6.3 Geodynamic interpretation of the P-T-t path第131-132页
    6.7 Preliminary Sammary第132-135页
Chapter 7 Implications for tectonic evolution of the Quanji massif during thePaleoproterozoic period第135-144页
    7.1 Introduction第135页
    7.2 Tectonics of the Quanji Massif during 2.39-1.90 Ga第135-138页
    7.3 Tectonics of the Quanji Massif during~1.90-1.80 Ga第138-140页
    7.4 Tectonic model for evolution of the Quanji Massif and implications for the regional wide and global tectonics第140-144页
Chapter 8 Conclusion Remarks and Expectation第144-147页
Acknowledgement第147-148页
References第148-181页

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