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鍏抽敭璇�: 寰姩鎺㈡祴, 绌洪棿鑷浉鍏虫硶, 瑙嗘í娉㈤�熷害, 鐒﹀鏂, 鑳惰タ鍖�, 寰姩鎺㈡祴, 绌洪棿鑷浉鍏虫硶, 瑙嗘í娉㈤�熷害, 鐒﹀鏂, 鑳惰タ鍖�

Abstract:

In recent years锛宻ignificant advancements in deep prospecting have been achieved within the three principal gold metallogenic belts of Sanshandao锛孞iaojia锛宎nd Zhaoping锛宭ocated in the ore concentration area of the northwestern Jiaodong Peninsula.Notably锛宼he Jiaojia gold field exemplifies a typical fractured altered rock type锛圝iaojia type锛� gold deposit.The confirmed gold resource reserves in this area have surpassed one thousand tons锛宮aking it a central focus for geophysical exploration within the Jiaodong gold mining region.Historically锛実eophysical exploration within the study area predominantly relied on electromagnetic methods锛宨ncluding Controlled Source Audio-frequency Magnetotellurics 锛圕SAMT锛夛紝Magnetotellurics 锛圡T锛夛紝and Spectral Induced Polarization锛圫IP锛�.However锛宼hese methods were significantly affected by industrial electromagnetic interference resulting from mining activities.To investigate the deep response characteristics and the appli-cability of geophysical methods to the primary ore-controlling faults in northwestern Jiaodong ore concentration area under conditions of strong industrial electromagnetic interference锛宼his study conducts a micro-motion detection test in the representative ore section of Sizhuang within the Jiaojia gold mine field.This study examines the spatial autocorrelation method through micro-motion detection tests involving multiple circular array transformations and varying radius array transformations.The findings indicate a coupling relationship between the apparent shear wave velocity field characteristics of microtremor detection锛宎nd the primary ore fracture.By optimizing test parameters锛宨t is feasible to achieve vertical identification of the Jiaojia fault zone within a 3 000 meter depth interval.It provides a basis for the future micro-motion detection method to carry out related exploration work in northwestern Jiaodong ore concentration area.

Key words: micro-tremor detection, SPAC, apparent shear wave velocity, Jiaojia fault, northwestern Jiaodong, micro-tremor detection, SPAC, apparent shear wave velocity, Jiaojia fault, northwestern Jiaodong

涓浘鍒嗙被鍙�: 

• P618.51