地震方法在胶东地区西林断裂带深部金矿找矿预测中的应用与指示OACSTPCD
Application and indication of seismic methods in deep gold prospecting in the Xilin fault zone in the Jiaodong area
西林断裂带与金及多金属矿化关系密切,具有较好的金矿资源潜力,查明其控矿断裂深部结构特征,是金矿勘查工作能否取得突破的关键与重点.本文在分析金矿成矿规律的基础上,通过开展反射地震方法研究,明确了胶东地区主要控矿断裂带产状变化的地震响应特征,指出:地震时间剖面上同相轴能量发生强弱变化、连续性变差部位,较大可能为断裂产状变化的指示,有良好的成矿可能.据此预测了成矿靶区并进行了验证.
The Xilin fault zone,intimately associated with gold and polymetallic mineralization,exhibits high potential for gold re-sources.In deep exploration,identifying the deep structural characteristics of ore-controlling faults plays a critical role in achieving breakthroughs in gold exploration.Through the analysis of gold metallization regularity and the reflection seismic methods,this study clarified the seismic response to the changes in the attitude of the dominant ore-controlling fault zone in the Jiaodong area.It posited that the changes in energy intensity of the seismic event on the seismic time profile,as well as large continuity deterioration zones,can indi-cate the changes in the fault attitude,demonstrating high mineralization potential.Moreover,this study predicted and verified the metalli-zation targets in the area.
孔晓敏;孙超;周宜康;田思清;苏海岗;周明磊
山东省地质矿产勘查开发局第六地质大队(山东省第六地质矿产勘查院),山东威海 264200||自然资源部深部金矿勘查开采技术创新中心,山东威海 264200||山东省深部金矿探测大数据应用开发工程实验室,山东威海 264200山东省煤田地质规划勘察研究院,山东济南 250104
地质学
地震勘探西林断裂带金矿深部找矿靶区预测
seismic explorationXilin fault zonedeep gold prospectingtarget prediction
《物探与化探》 2024 (004)
979-985 / 7
山东省地矿局科技创新项目"胶东深部金矿找矿反射地震方法试验研究"(KY201916);山东省地矿局地质勘查与科技创新项目"胶西北重要控矿断裂三维地震探测"(202010)
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