
科学技术与工程

中国技术经济学会
甘肃龙首山滑石口银铅矿土壤地球化学特征与找矿前景分析
张志玺 , 王宁祖 , 何碧 , 张文斌 , 苏雅拉吐
科学技术与工程 ›› 2026, Vol. 26 ›› Issue (6) :2278-2288
甘肃龙首山滑石口银铅矿土壤地球化学特征与找矿前景分析
Soil Geochemical Characteristics of Huashikou Silver Lead Mine in Longshoushan, Gansu Province and Prospect Analysis of Mineral Exploration
滑石口银铅矿位于龙首山镍铜、钴、铂族、铅锌、铁锰、磷、铀成矿带的东段,主要形成镍铜、铁、金、磷、铀、铅锌等矿产,具有寻找银铅矿前景。通过在甘肃龙首山滑石口开展1∶10 000地质简测和1∶10 000土壤地球化学测量工作,总结了滑石口地区地层、岩性、构造破碎带、围岩蚀变等地质特征。同时,采用R聚类分析、因子分析及元素参数统计,确定Pb、Ag、Zn为本区成矿潜力大的优势成矿元素,Sb、As可作为本区重要找矿指示元素;综合地质和土壤地球化学特征,在区内圈定以Ag、Pb、Zn元素为主的综合异常区5处,经槽探工程验证,新发现银铅矿体2条、铅锌矿体1条、铅矿体1条。结合区域地质成果资料,建立了以HT3化探综合异常为主体的地质-地球化学找矿模型,并提出了下一步找矿方向。
The Huashikou silver-lead deposit is located in the eastern segment of the Longshoushan metallogenic belt, which is rich in nickel-copper, cobalt, platinum group elements, lead-zinc, iron-manganese, phosphorus, and uranium. This belt is known for hosting minerals such as nickel-copper, iron, gold, phosphorus, uranium, and lead-zinc, with significant prospects for silver-lead ore exploration.Based on the results of the 1∶10 000 geological reconnaissance and 1∶10 000 soil geochemical survey.The geological characteristics of the Huashikou area were summarized, including stratigraphy, lithology, structural fracture zones, and wall-rock alteration. R cluster analysis, factor analysis, and element parameter statistics were employed, through which Pb, Ag, and Zn were identified as the dominant ore-forming elements, while Sb and As were determined to serve as key prospecting indicators. Additionally, five comprehensive anomaly zones dominated by Ag, Pb, and Zn were delineated. After verification through trenching exploration, two new silver-lead ore bodies, one lead-zinc ore body, and one lead ore body were discovered yielding promising prospecting results. Furthermore, by integrating regional geological data, a geological-geochemical prospecting model centered on the HT3 anomaly zone was established, along with recommendations for future prospecting directions.
Huashikou / silver lead ore / soil geochemical characteristics / mineral exploration model
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甘肃省重点研发计划-工业领域(24YFGA014)
甘肃省自然科学基金(24JRRA752)
甘肃省自然科学基金(25JRRA392)
甘肃省自然资源厅科技创新项目(202413)
甘肃省地质矿产勘查开发局科技创新项目(2024KS02)
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