郭米寺-尕大坂多金属矿带地质特征及综合信息找矿模型研究
Geological Characteristics and Prospecting Model of the Guomis-Gadaban Metallogenic Zone
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摘要: 郭米寺-尕大坂多金属矿田是位于北祁连走廊南山南坡重要的成矿地段,目前发现多个铜铅锌多金属矿床。它们具有相同的地质背景和成矿环境,经过几十年的地质工作,在找矿信息上积累了大量的资料并具有典型意义。笔者试图建立描述式为主的地质-地球化学-地球物理找矿模型,并初步给出优选的物化探工作方法,即在综合研究前人资料的基础上,逐步由面到点、由浅入深,不同工作阶段采用不同种类、不同精度的物(高精度磁测、激电测量、电测深等)、化探(以地气测量为主)和地质工作手段。Abstract: The Guomisi-Gadaban polymetallic orefield is located at the south side of the Zoulangnanshan area in north Qilian county where a number of ore deposits including Cu,Pb and Zn have been found lately.All these deposits basically have the same geologic backg round and the mineralization environment.By geology work of several decades,a great deal of prospecting information has been accumulated.This paper tries to establish a description model of geology-geochemistry -geophysics and to seek optimum physical and geochemical method and geological method.
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Key words:
- Guomisi-Gadaban orefield /
- geological characteristics /
- prospecting model
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