| 刘国平.秦岭造山带沉积岩容矿金矿床地质特征和矿床成因[J].地质与勘探,1998,(3):5-9 |
| 秦岭造山带沉积岩容矿金矿床地质特征和矿床成因 |
| GEOLOGICAL CHARACTERISTICS AND METALLOGENY OF SEDIMENT-HOSTED GOLD DEPOSITS IN QINLING OROGEN |
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| DOI： |
| 中文关键词: 秦岭造山带 沉积岩容矿 金矿床 泥盆系 矿床成因 |
| 英文关键词: Qinling orogen, sediment-hosted, gold deposit, Devonian system, |
| 基金项目: |
| 刘国平 |
| 中国有色金属工业总公司北京矿产地质研究所 |
| 摘要点击次数: 2098 |
| 全文下载次数: 1316 |
| 中文摘要: |
| 讨论了秦岭造山带沉积岩容矿金矿床地质背景、地质特征和矿床成因。认为俯冲碰撞过程中形成的浊积岩系是金矿的主要矿源层，在金矿源层原始沉积时，热水沉积起了重要作用。在褶皱造山过程中，金元素发生了活化、再分配，在层间破碎带、构造片理化带、剪切带等处发生了富集。在印支－燕山期岩浆侵入作用的热驱动下，金矿最终在有利构造部位定位，富集成矿。 |
| 英文摘要: |
| Geological setting and characteristics and metallogeny of sediment-hosted gold deposits were discussed. It is suggested that turbidite formation formed during the subduction and collision is source of ore, and that hydrothermal sedimentation played an important role in initial deposition of gold source bed. Gold was reactivated and redistributed in the processes of folding and orogen. Gold richment may take place in the interlayer fracture zones, schistosity zones and shear zones. Gold deposits finally located in favorable structure space, driven by magma intrusion in Sino-Yianshan period. |
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