投稿时间:2025-10-07
修订日期:2025-12-24
网络发布日期:2026-03-11
中文摘要:特提斯-欧亚成矿带西端的塞尔维亚Timok火山沉积盆地内蕴含了巨量的铜金钼资源,具有良好的成矿地质条件。近年来,紫金矿业在塞尔维亚Timok盆地佩吉超大型铜金矿以南约8 km处勘查发现了超大型的玛格铜金矿床,然而,其地质特征和发现过程尚无报道。文章旨在系统阐述玛格铜金矿床的勘查发现过程、地质特征及其对区域找矿的指导意义。笔者通过采用“物探先行、钻探验证”的策略,综合运用大功率物探方法(如可控源电磁法、三维激电等)圈定深部靶区,并通过深部钻探验证异常,结合地质建模与矿化特征分析,总结成矿规律与找矿标志。结果表明,玛格矿床产于上白垩统下部安山岩与碳酸盐岩-钙质粉砂岩的接触带,受含矿斑岩体和沉积界面的共同控制,埋深超1000 m,矿化类型包括高品位的Manto型矿化和低品位的斑岩型矿化,前者以块状矿石为主,后者多呈细脉状-浸染状构造,代表了Timok成矿带中一种新的矿化类型组合。目前,玛格铜金矿床已探获铜金属量超过300万吨,金超过100 t,伴生银约1300 t,锌约55万吨,铜和金均达到超大型规模。尽管当前工程控制程度较低,矿体沿走向与倾向上均未封闭,进一步勘查有望使其成为世界级的超大型铜金矿床。玛格铜金矿床的发现,突破了“下部安山岩下伏灰岩/大理岩构成斑岩热液成矿系统底界”的传统认识,拓展了Timok成矿带的找矿空间,研究提出了“成矿斑岩体+区域控矿构造+物探异常”三位一体的找矿方法体系,为在“斑岩+硅钙界面”背景下寻找同类矿床提供了新方向与技术依据。
Abstract:The Timok volcanic-sedimentary basin in Serbia, located at the western end of the Tethys-Eurasian metallogenic belt, hosts abundant Cu-Au-Mo resources and favorable geological conditions for mineralization. In recent years, Zijin Mining discovered the super-large Malka Golaja(MG) Cu-Au deposit approximately 8 km south of the Peki super-large copper-gold deposit in the Timok basin. However, its geological characteristics and discovery process have not yet been reported. This study systematically documents the exploration and discovery process,geological features, and implications for regional mineral exploration of the MG Cu-Au deposit. An exploration strategy of “geophysical surveying first, followed by deep drilling testing” was adopted. High-power geophysical methods, including controlled-source electromagnetic surveys and three-dimensional induced polarization, were used to delineate deep exploration targets, which were subsequently tested by deep drilling. Combined with geological modeling and analyses of mineralization characteristics, the metallogenic patterns and exploration indicators were identified. The results show that the MG Cu-Au deposit is located at the contact zone between Lower Andesite and Upper Cretaceous carbonate-calcareous siltstone, with mineralization controlled by both the orebearing porphyry and the sedimentary interface. The deposit is buried at depths exceeding 1000 m and comprises two mineralization types: high-grade Manto-type mineralization and low-grade porphyry-type mineralization.The former is characterized by massive ores, whereas the latter is mainly veinlet-disseminated, representing a new mineralization assemblage within the Timok metallogenic belt. Current estimates indicate that the MG CuAu deposit contains more than 3 Mt of copper, over 100 t of gold, approximately 1300 t of associated silver, and about 550 000 t of zinc, with both copper and gold reaching super-large scale. Although the present level of engineering control is limited and the ore bodies remain open along strike and dip, continued exploration is expected to confirm the MG Cu-Au deposit as a world-class super-large copper-gold system. The discovery of the MG CuAu deposit challenges the traditional view that the limestone or marble beneath the Lower Andesite forms the lower boundary of porphyry-related hydrothermal mineralization, and expands the exploration potential of the Timok metallogenic belt. By summarizing the exploration program, a three-component exploration framework comprising ore-forming porphyry bodies, regional ore-controlling structures, and geophysical anomalies was introduced. This framework provides a new conceptual and technical basis for the discovery of similar deposits associated with porphyry systems and silica–calcium interfaces.
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基金项目:紫金矿业集团股份有限公司科研项目“Timok成矿带佩吉铜金矿及外围成矿规律研究和靶区验证”(编号:4201KY2022100005)资助
引用文本:
饶东平,陈思源,刘建明,谭威,黄伟山,王健,王虎,阙朝阳,张锦章,王乾杰,祝新友,廖震.2026.塞尔维亚Timok矿集区玛格Cu-Au矿床的发现及找矿意义[J].矿床地质,45(1):20~34RAO DongPing,CHEN SiYuan,LIU JianMing,TAN Wei,HUANG WeiShan,WANG Jian,WANG Hu,QUE ChaoYang,ZHANG JinZhang,WANG QianJie,ZHU XinYou,LIAO Zhen.2026.Discovery and prospecting significance of Malka Golaja Cu-Au deposit in Timok mining district of Serbia[J].Mineral Deposits45(1):20~34
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