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西非马里DIAKHA金矿床地质特征及矿床成因

中文摘要第4-6页
Abstract第6-7页
Preface第10-11页
Chapter I INTRODUCTION AND GENERAL ASPECTS第11-20页
    Introduction第11-14页
    1.1 Context and aim of this thesis第14-15页
        1.1.1 The framework of the study第14页
        1.1.2.Background of the study project第14页
        1.1.3.Aims and Objective第14-15页
    1.2 - The methodological framework第15-16页
    1.3 - Location and Physiography第16页
    1.4 - Exploration History第16-20页
Chapter II GEOLOGICAL SETTING AND GOLD MINERALIZATION第20-30页
    2.1 Regional geology第20-26页
        2.1.1- Geology setting of the West African Craton第20-23页
        2.1.2 - Lithostratigraphy and geochronologyof Kédougou-Kéniéba Inlier第23-26页
    2.2 - Structures第26-27页
    2.3- Metamorphism第27-28页
    2.4 - Gold mineralization and metallogenesis第28-30页
Chapter III LOCAL GEOLOGICAL SETTING第30-48页
    3.1 Geology of the deposit第30-37页
        3.1.1 - Deposit Lithology第30-32页
        3.1.2 - Structures and deformation features of the Diakha deposit第32-37页
    3.2 Petrographic and Mineralogical studies第37-48页
        3.2.1 - Geological Framework第38页
        3.2.2 - Drill core samples description第38页
        3.2.3 - Sampling and Methodology (Polished and thin section and microscopy)第38-42页
        3.2.4 - Description of rock types第42-48页
Chapter IV HYDROTHERMAL ALTERATION AND MINERALIZATION第48-59页
    4.1. Alteration assemblages第48-53页
    4.2. Mineralization styles第53-55页
    4.3. Mineral textures of host rocks第55-56页
    4.4. Sulfide第56-59页
CHAPTER Ⅴ CHARACTERISTICS OF ORE-FORMING FLUID; GEOCHEMISTRY AND FLUID INCLUSIONS STUDIES第59-83页
    Introduction第59页
    5.1. Sampling第59页
    5.2. Analytical methods第59-61页
        5.2.1 - Fluid Inclusions第59-60页
        5.2.2 - Sulfur isotope第60页
        5.2.3 - H O isotope第60-61页
    5.3 - Results第61-75页
        5.3.1 - Orebodies characteristics第61-63页
        5.3.2 - Ore mineral assemblages第63-64页
        5.3.3 - The relationship between hydrothermal alteration and deformation第64-65页
        5.3.4 - Fluid inclusions第65-72页
        5.3.5 - Stable isotope systematics第72-75页
    5.4 Discussion第75-83页
        5.4.1 - Characteristics and evolution of ore-forming fluids第76-78页
        5.4.2 - Origin of the ore-forming fluids第78-79页
        5.4.3 - Source of metallogenic materials第79-81页
        5.4.4 - Metallogenic tectonic setting第81-82页
        5.4.5 - Ore Genesis and deposit model of Diakha gold deposit第82-83页
CHAPTER Ⅵ- Conclusion and suggestions第83-86页
References第86-95页
Acknowledgements第95-96页

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