摘要
小秦岭地区金矿床与构造有着密切的关系 ,不同方向的断裂中元素富集规律不同 ,构造带中流体是十分活跃的。构造动力成矿作用主要有动热退变质作用、剪切 -扭动裂隙成矿作用、构造带内岩石与流体交换作用、构造扩容带成矿作用 。
There are close relationships between gold deposits and tectonics.Different occurrences of faults enriched different elements, while geologic fluids in the faults were very active.Tectono-dynamic mineralizations consist of dynamic retrometamorphism in the faults,gold mineralization in shear-fracture and altered shear zones,interaction between ore-forming fluid and wall rocks in the tectonic zone,and ore-formation and in the dilatancy zone of the fault.These mineralizations occurred in the specific dynamic system of tectonics.
出处
《大地构造与成矿学》
EI
CAS
CSCD
2000年第2期155-162,共8页
Geotectonica et Metallogenia
基金
国家重点黄金地质科技攻关项目!(90051-09-08)
中科院地化所矿床地球化学开放实验室资助
关键词
金矿床
成矿构造
地球化学
动力学
小秦岭地区
Overprinting of tectonic geochemistry,characteristics of tectonic geochemistry,metallogenic dynamics
