论文部分内容阅读
文章重新厘定了桂东南原定为“寒武系”地层的时代,确立了海西期云开变质核杂岩体结构;提出本区金银矿床分为混合岩化—岩浆热液型和变质—岩浆热液型的成因类型,建立了金银矿床成矿模式,即地槽发展时期形成矿源层,变质—混合岩化作用促进金银组分活化迁移与初始富集,剥离作用使金银组分再次迁移富集,燕山期构造—岩浆作用成矿,指出找矿重点为云开隆起区外侧及边部断裂带。
The article redefined the period of the original Cambrian strata in southeastern Guangxi, and established the structure of Yunkai metamorphic core complex in the Hercynian period. It is proposed that the gold-silver deposit in this area is divided into the mixed rock-magmatic hydrothermal type and metamorphism - the genetic type of magmatic hydrothermal type, and established the metallogenic model of gold-silver deposit, that is, the formation of the source rock layer during the development of the geosyncline, metamorphism-mixed lithification to promote the activation and migration and initial enrichment of gold and silver components, The components migrate and enrich again, and the Yanshanian tectono-magmatic metallogeny indicates that the prospecting focus is on the outer side and the margin of the Yunkai uplift.