鲁西地区金伯利岩的磁异常特征及物探方法有效性浅析

Primary Analysis on Magnetic Anomaly Characteristics of Kimberlite and Availability of Geophysical Prospecting in Western Shandong Province

金伯利岩是金刚石的成矿母岩之一。鲁西地区目前已发现3条金伯利岩带,探明金刚石储量1 060万ct。搜集以往针对鲁西地区金伯利岩所做的大量磁测工作资料,对鲁西地区金伯利岩的磁异常特征进行总结,并对物探寻找金伯利岩有效性进行简要分析,认为在鲁西寻找金伯利岩,尤其是寻找隐伏的金伯利岩,需在了解地质背景的基础上,采用磁法、电法相结合,并结合已知金伯利岩的地球物理特征,综合分析验证。

Kimberlite is one of the mother rock of diamond. At present, Three kimberlite zones have been found in western Shandong province, and the proven reserves are 10.6 million carats. Based on early magnetic survey work, magnetic anomaly characteristics of kimberlite in western Shandong province have been analyzed, and the availabil-ity of geophysical prospecting in detecting kimberlite has been introduced. It is concluded that methods of magnet-ism and electricity should be used in detecting kimberlite, especially in detecting hidden kimberlite in this area. Meanwhile, regional geological background and known geophysical characteristics of kimberlite also should be con-sidered comprehensively.