In recent years,significant advancements in deep prospecting have been achieved within the three principal gold metallogenic belts of Sanshandao,Jiaojia,and Zhaoping,located in the ore concentration area of the northwestern Jiaodong Peninsula.Notably,the Jiaojia gold field exemplifies a typical fractured altered rock type(Jiaojia type) gold deposit.The confirmed gold resource reserves in this area have surpassed one thousand tons,making it a central focus for geophysical exploration within the Jiaodong gold mining region.Historically,geophysical exploration within the study area predominantly relied on electromagnetic methods,including Controlled Source Audio-frequency Magnetotellurics (CSAMT),Magnetotellurics (MT),and Spectral Induced Polarization(SIP).However,these 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,this 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,and the primary ore fracture.By optimizing test parameters,it 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.
WANG Runsheng, CHEN Dalei, WANG Ning, LI Jian, DONG Leilei, WANG Xun, WANG Yu, YIN Zhaokai. Applicability Test of Micro-tremor Detection Technology in Jiaojia Gold Field in Northwestern Jiaodong Ore Concentration Area[J]. Gold Science and Technology, 2024, 32(6): 965-976 doi:10.11872/j.issn.1005-2518.2024.06.158
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... 微动探测是以平稳随机过程理论为依据(孙勇军等,2009;徐佩芬等,2013a),从微动信号中提取出面波频散曲线,从而获得地下地质体横波速度结构的方法(Aki,1959).常用的2种提取面波的方法是空间自相关法(SPAC法)和频率—波数法(F-K法)(Ohori et al.,2002).目前多用空间自相关法(SPAC法)提取相速度频散曲线. ...
Results of regional petrophysical property survey in Jiaodong area,Shandong Province
0
1992
0
2010
Metallogenic series of Jiaodong type gold deposits and its prospecting cases
0
2023
The discovery of the Jiaojia and the Sanshandao giant gold deposits in Jiaodong Peninsula and discussion on the relevant issues
0
2019
Deep characteristics of ore-controlling faults in Jiaoxibei gold deposits and its implications for prospecting:Evidence from geophysical surveys
0
2024
Current progress of metallogenic research and deep prospecting of gold deposits in the Jiaodong Peninsula during 10 years for Exploration Breakthrough Strategic Action
0
2022
Microtremor survey method and its progress
0
2009
Theory on exploring mineral resources in the second deep space and practices with electro magnetic method
0
2022
Geological application of physical property parameters in regional Jiaodong area
0
2006
An analysis of the effect of multiple geophysical prospecting methods in the deep exploration of the Jiaoxibei(northwest Shandong) gold ore concentration area
0
2020
Application of reflection seismic for determing deep structural of metamorphic rock area in the northwest of Jiaodong
0
2021
Application of micro-motion detection technology in goaf of a coal mine in Anhui
0
2021
Application of microtremor survey method in detection of urban land subsidence
0
2021
Microtremor survey method based on inversion of the SPAC coefficent of multi-mode Rayleigh waves and its application
0
2020
Mapping collapsed columns in coal mines utilizing microtremor survey methods
0
2009
Microtremor survey method:A new geophysical method for dividing strata and detecting the buried fault structures
0
2013a
Application of SPAC method to estimate the crustal S-wave velocity structure
0
2013b
Geological exploration of Jiaodong gold deposit
0
2013
Application of SPAC method to survey deep geothermal water storage structures in SK-2
0
2022
Study on gold mineralization mechanism based on transcrust strike-slip fault structural system in Jiaoxi gold concentrating area—Evidence from deep reflection seismic exploration
0
2023
Research and application of microtremor in the geological disaster
... 微动探测是以平稳随机过程理论为依据(孙勇军等,2009;徐佩芬等,2013a),从微动信号中提取出面波频散曲线,从而获得地下地质体横波速度结构的方法(Aki,1959).常用的2种提取面波的方法是空间自相关法(SPAC法)和频率—波数法(F-K法)(Ohori et al.,2002).目前多用空间自相关法(SPAC法)提取相速度频散曲线. ...
... 微动探测是以平稳随机过程理论为依据(孙勇军等,2009;徐佩芬等,2013a),从微动信号中提取出面波频散曲线,从而获得地下地质体横波速度结构的方法(Aki,1959).常用的2种提取面波的方法是空间自相关法(SPAC法)和频率—波数法(F-K法)(Ohori et al.,2002).目前多用空间自相关法(SPAC法)提取相速度频散曲线. ...