【作者】 柳建新；

【导师】 何继善；

【作者基本信息】 中南大学 ， 地球探测与信息技术， 2006， 博士

【摘要】 矿产资源特别是有色金属资源的供给是我国可持续发展的保证，随着中东部发达地区资源勘探程度的提高，中东部可供开采资源日益枯竭，伴随国家西部大开发战略的实施，寻找西部、深部矿产资源已成为重要研究课题。我国西部特殊地貌景观区海拔高、地形复杂、交通不便、气候干燥、接地困难、早晚温差大的特点，给资源勘探技术以及仪器设备提出了更高的的要求。论文从国民经济发展对矿产资源需求出发，在系统地分析、总结、研究激发极化法特别是双频激电理论的基础上，从基本理论、观测技术、野外工作、仪器开发以及数据处理与解释等方面提出了一套适合西部特殊地貌景观资源勘探特点的高效双频激电方法技术体系，并在西部地区应用中取得了很好的效果。论文的主要内容如下： (1) 作为理论基础，系统阐述了西部特殊地貌景观区的特点，并针对该区域资源勘探的特点，对激发极化法特别是双频激电理论进行了系统的总结和研究，并对双频电流变化对视幅频率的影响、双频激电的异常特征进行详细的研究，进而论证了双频激电观测方法的高精度、抗干扰能力强、电流影响小、观测装置轻便灵活、稳定性和一致性好、电磁耦合效应弱以及非线性等特点。也对伪随机多频观测区分矿与非矿异常进行了研究。 (2) 西部特殊地貌景观区双频激电法应用研究。针对西部特殊地貌景观区高寒、早晚温差大、地形起伏严重、接地条件差、交通不便等特点，选择了祁连山地区、广西岩溶峰林地区作为实验区开展了更多还原

【Abstract】 The supply of the mineral resources especially nonferrous metals resources is the assurance of the sustainable development of our country, with the improvement of prospecting in the Middle Eastern developed area resource, the resources suitable for exploration are exhausted day by day, and accompanied by the implementation of China West Regions Development Strategy, the mineral resources exploration in the deep underground and the west China becomes the important subject for research. The characteristics of high sea level, complicated topography, traffic inconvenient, dry climate, difficult earthing condition, and great temperature difference in morning and evening in west China give more higher requirement for the resource exploration technology and instruments. The thesis sets out to the resource requirement of mineral products from national economic development, on the basis of systematically analyzing, summarizing, studying of the induced polarization method especially dual-frequency IP theory, and based on the basic theories, observing technology, field work, instrument development and data processing and explanation etc, a high-efficient technology system which is suitable for resource exploration in West special physiognomy has been put forward, and some very good results have been made in the western region . The main content of the thesis is as follows:(1) As the theoretical foundation, the thesis has explained the characteristic of the special physiognomy in the west in system, and taken systematic summary and study to the induced polarization method especially the dual-frequency IP theory, and taken detailed research on the effect of the current change of the dual-frequency IP to the apparent amplitude-frequency ratio and the anomaly characteristic of the dual-frequency IP. And then has proved the characteristics of high precision, strong anti-interference ability, low current influence, portable observing instrument, good stability and consistency , weak electromagnetic coupling effect and non-linear, and has carried out the research on distinguishing the ore and non-ore anomaly through the .pseudo-random multi-frequency IP method.更多还原