| 特提斯构造域西段晚白垩世以来Cu、Au矿床时空分布和成矿地质特征 |
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| 引用本文：刘金龙,周永恒,姜平,李伫民,贺俊庆,王卓,吴涛涛.2026.特提斯构造域西段晚白垩世以来Cu、Au矿床时空分布和成矿地质特征[J].地球学报,47(3):507-526. |
| DOI：10.3975/cagsb.2026.031201 |
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| 基金项目:本文由中国地质调查局项目(编号: DD202309008)和云南铜业股份有限公司“东北亚铜金矿项目优选与评价”项目(编号: YNTY-KSB-08-2025-035)联合资助。 |
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| 中文摘要:特提斯构造域西段复杂的构造演化历史, 使其成为全球重要的Cu、Au多金属成矿带(区)之一。深入开展该区成矿作用研究和成矿规律总结, 对提升区域基础地质研究水平和指导矿产勘查实践具有重要科学意义。本文系统收集并综合分析区域地质、矿产地质等资料, 重点梳理成矿地质特征、资源禀赋条件、矿床时空分布规律及其构造-岩浆成矿背景。自晚白垩世以来, 研究区经历了多期次构造-岩浆事件, 包括大洋和大陆俯冲、造山运动、弧后伸展、板片后撤与撕裂以及软流圈上涌等, 这些动力学机制共同控制了区域巨量Cu、Au成矿作用。目前该区已查明大型-超大型Cu、Au矿床39处, 中型矿床31处, 小型矿床及矿化点星罗棋布, 显示出巨大的成矿潜力。区域矿床时空规律明显, Cu、Au矿床可划分为7个成矿带(区): ①晚白垩世阿普塞尼—巴纳特—蒂莫克—斯雷德诺戈里Cu-Au成矿带(93~72 Ma)、②晚白垩—古新世东庞蒂德斯Cu-Au成矿带(88~59 Ma)、③晚白垩世东陶里德Cu成矿带(81~71 Ma)、④始新世东南安纳托利亚Cu-Au成矿带(54~37 Ma)、⑤始新世—上新世北马其顿—洛多皮—北爱琴海Au-Cu成矿带(50~3 Ma)、⑥渐新世通杰利Cu-Au成矿区(~26 Ma)、⑦中新世喀尔巴阡山—阿尔卑斯Cu-Au成矿区(15~8 Ma)。 |
| 中文关键词:地质背景 特提斯构造域西段 成矿规律 地质调查工程 |
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| Spatiotemporal Distribution and Metallogenic Characteristics of Cu and Au Deposits in the Western Segment of the Tethyan Tectonic Domain since Late Cretaceous |
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| Abstract:The complex tectonic evolutionary history of the western segment of the Tethyan Orogenic Belt (zone) has made it an important Cu and Au polymetallic mineralization belts. In-depth research on the mineralization process and summarizing the mineralization laws in this area is scientifically important for enhancing the level of basic regional geological research and guiding mineral exploration practices. Regional geological and mineral resource data were systematically collected and comprehensively analyzed, focusing on elucidating the metallogenic characteristics, resource endowment conditions, spatiotemporal distribution patterns of deposits, and their tectonic–magmatic metallogenic contexts. Since the Late Cretaceous, the study area has undergone multiple tectonic–magmatic events, including oceanic and continental subduction, orogeny, back-arc extension, slab rollback and tearing, and asthenospheric upwelling. These dynamic mechanisms collectively control large-scale regional Cu-Au mineralization. To date, the area has revealed 39 large to super-large Cu-Au deposits and 31 medium-sized deposits, with numerous small deposits and widely distributed mineral occurrences, demonstrating substantial metallogenic potential. The regional deposits exhibited distinct spatiotemporal patterns. Cu-Au mineralization can be classified into the Late Cretaceous Apuseni–Banat–Timok–Srednogorie Cu-Au Belt (93– 72 Ma), Late Cretaceous–Paleocene East Pontides Cu-Au Belt (88–59 Ma), Late Cretaceous East Tauride Cu Belt (81–71 Ma), Eocene Southeastern Anatolian Cu-Au Belt (54–37 Ma), Eocene–Pliocene North Macedonia–Rhodope–North Aegean Au-Cu Belt (50–3 Ma), Oligocene Tunceli Cu-Au Zone (~26 Ma), and Miocene Carpathians–Alpine Cu-Au Zone (15–8 Ma). |
| keywords:geological setting western segment of Tethyan tectonic domain metallogenic regularity geological survey project |
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