秦岭造山带:多圈层耦合成矿系统的资源宝库

    The Qinling orogenic belt: a treasure trove of resources in a multi-sphere coupled mineralization system

    • 摘要: 秦岭造山带以其独特的大地构造位置、复杂的地质演化历史及丰富的矿产资源,成为全球地质研究的重要区域。本文系统梳理了该造山带的地质演化过程,涵盖早期基底形成、多期板块构造活动至陆内构造变形的整个过程,揭示了其复杂构造格局的成因机制。通过对不同阶段的构造运动特征、岩浆活动及对区域地质格局影响的综合分析,总结了秦岭造山带的地质演变规律。同时初步探讨了造山带内的成矿作用,简单梳理了主要矿床类型及其时空分布特征,揭示了地质演化与成矿作用之间的耦合关系。秦岭造山带复杂的地质演化过程为多类矿产的形成提供了有利条件,其中,印支期和燕山期是重要的成矿阶段,不同构造单元之间发育有各具特色的矿床类型。本文研究对理解中国大陆构造演化及区域矿产资源勘查具有重要的启示意义。

       

      Abstract: The Qinling orogenic belt has become a key area for global geological research due to its unique tectonic setting, complex geological evolution, and abundant mineral resources. This paper provides a systematic overview of the geological evolution of this orogenic belt, encompassing the formation of the early basement, multi-phase plate tectonic activities, and intracontinental deformation, which together elucidate the genetic mechanisms of its complex tectonic framework. Through comprehensive analysis of the characteristics tectonic movements, magmatic activities, and their impacts on the regional geological structure during different stages, the patterns of geological evolution of the Qinling orogenic belt are summarized. The mineralization within the orogen is preliminarily discussed, including the main types of mineral deposits and their spatiotemporal distribution characteristics, revealing the coupling relationship between geological evolution and mineralization. The complex geological evolution of the Qinling orogenic belt has provided favorable conditions for the formation of various mineral resources. The Indosinian period and Yanshanian period are identified as major mineralization epochs, with distinctive types of deposits developed in different tectonic units. This paper provides significant insights into the tectonic evolution of the Chinese continent and has important implications for regional mineral resource exploration.

       

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