在揚(yáng)子地臺(tái)西南邊緣的川滇黔毗鄰區(qū)面積約170,000km2的區(qū)域,已發(fā)現(xiàn)400多個(gè)規(guī)模不等的礦床和礦化點(diǎn)。這些礦床顯示出礦體呈不規(guī)則脈狀、后生熱液充填成礦、礦物組合簡(jiǎn)單、富Pb+Zn、常伴生Ag, Ge, Ga, In, Cd等突出特征。大多數(shù)礦床賦存在晚元古代至二疊紀(jì)碳酸鹽巖地層中,明顯受構(gòu)造控制,尤其是NE及NW向斷裂交匯處的背斜構(gòu)造區(qū)。因此,川滇黔毗鄰區(qū)以成為一個(gè)重要的Pb-Zn成礦域（帶）而被接受。但是,區(qū)內(nèi)已勘查發(fā)現(xiàn)的大型、超大型鉛鋅礦床均賦存在新元古界、寒武系、泥盆系、石炭系及下二疊統(tǒng)的碳酸鹽巖巖層中,而在奧陶系、志留系地層中僅發(fā)現(xiàn)為數(shù)極少的礦化點(diǎn)。實(shí)際上,在該區(qū)域內(nèi)存在許多早古生代地層露頭區(qū)及被巨厚的晚古生代地層覆蓋的區(qū)域。數(shù)十年來(lái),這些地區(qū)的找礦潛力也一直被關(guān)注。滇東北大關(guān)悅樂(lè)鉛鋅礦區(qū)即位于川滇黔毗鄰區(qū)成礦域之滇東北富鉛鋅多金屬成礦帶的北段,是一個(gè)僅有少量銅鉛鋅礦化露頭的勘查空白區(qū)。近期的找礦勘查（包括地面調(diào)查、構(gòu)造-巖相-蝕變研究、地球化學(xué)勘查、勘查工程揭露等）發(fā)現(xiàn),礦區(qū)淺表部賦存于志留系碳酸鹽巖中的脈狀鉛鋅銅多金屬礦（化）體較為清楚,均產(chǎn)在張扭性斷裂破碎帶或不同方向... 

【文章頁(yè)數(shù)】：169 頁(yè)

【學(xué)位級(jí)別】：博士

【文章目錄】：
ABSTRACT
摘要
ACKNOWLEDGEMENTS
Part of the work developed in this thesis has been published papers
NOMENCLATURE, ABBREVIATIONS AND TERMINOLOGY
INTRODUCTION
    Introduction to the Yuele lead-zinc ore field
    Geographical features of the Yuele lead-zinc ore field
    Historical background of the Yuele lead-zinc ore field
Chapter Ⅰ: Geological Background
    1.1. Regional Geology
        1.1.1. Geotectonic position
        1.1.2. Regional stratigraphic
        1.1.3. Regional structures
        1.1.4. Magmatic rocks
    1.2. Geological evolution and metallogenic background
        1.2.1. The formation of the Yangtze para-platform basement
        1.2.2. The tectonic evolution of the northeast Yunnan platform fold belt
    1.3. Regional metallogenic regularity
Chapter Ⅱ: Geological Characteristics of the Yuele Lead-Zinc Deposit
    2.1. Geological survey
        2.1.1. Strata
        2.1.2. Structure
    2.2. Deposit geology
        2.2.1. Geological features of orebody (deposit)
        2.2.2. Ore characteristics
        2.2.3. Alteration characteristics
        2.2.4. Ore controlled factors and metallogenic regularity
Chapter Ⅲ: The Magnetotelluric Method
    3.1. Introduction
    3.2. Governing equations
    3.3. Magnetotelluric transfer functions
        3.3.1. Impedance tensor and magnetotelluric tensor
        3.3.2. Geomagnetic transfer function
    3.4. Earth MT dimensionality models
        3.4.1. 1D
        3.4.2. 2D
        3.4.3. 3D
        3.4.4. The Galvanic Distortion Phenomenon
    3.5. Electromagnetic sources in MT
    3.6. The Audio-Magnetotelluric methods
    3.7. Applications of AMT Method
    3.8. Time series processing
        3.8.1. General overview
        3.8.2. Common processing techniques
    3.9. Modeling and inversion of MT data
Chapter Ⅳ: Data Acquisition and Processing
    4.1. Field works
        4.1.1. Geodetic works
        4.1.2. Instrumentation
        4.1.3. Quality control
        4.1.4. The geophysical surveys
    4.2. AMT data processing
        4.2.1. Processing overview
        4.2.2. Robust processing
        4.2.3. Signal and noise
        4.2.4. Fast Fourier Transform (FFT) Algorithm
        4.2.5. The Cagniard impedance function
        4.2.6. Fitting the Phase Tensor Data to a 2D Model
Chapter Ⅴ: Data Interpretation
    5.1. Qualitative analysis
    5.2. Static shift
    5.3. Electrical properties of rock
    5.4. The basis of interpretation
        5.4.1. First anomaly level
        5.4.2. Second anomaly level
        5.4.3. Third anomaly level
    5.5. The sounding line electrical resistivity 2D inversion and interpretation
        5.5.1. Survey line 1400
        5.5.2. Survey line 1550
        5.5.3. Survey line 1800
        5.5.4. Survey line 2000
        5.5.5. Survey line 2200
        5.5.6. Survey line C25
        5.5.7. The GMS-07e survey lines 1400+2200 and comprehensive interpretation
Chapter Ⅵ: The Results of Audio-Magnetotelluric data
    6.1. Comparison with geological data
    6.2. Comparison with logging of core
    6.3. Resume
CONCLUSIONS
REFERENCES
ANNEX
    APPENDIX Ⅰ: SINGLE VALUE DECOMPOSITION (SVD) OF DISTORTION MATRIX C
    APPENDIX Ⅱ: FOURIER ANALYSIS
    APPENDIX Ⅲ: THE SOUNDING LINE INVERSION



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