摘要
在成矿过程中,构造应力与元素的迁移富集有着密切的关系。本文以焦家金矿床为例,在分析矿区构造应力特征的基础上,通过代表性剖面研究,探讨构造差应力与成矿元素在空间及成因上的关系,认为构造作用和成矿元素的分配是同步发生的,构造作用不仅使断裂带内的岩石强烈破碎及糜棱化,而且促使岩石的物质组成重新分配与调整,使得分散的成矿元素发生活化、迁移。由于构造动力的控制作用,成矿元素在不同构造岩相带表现出了相似而略带差异的地球化学行为。
There are consanguineous relationship between tectonic and migration of elements during metallogenic process.Taking Jiaojia gold deposit as an example,the authors discuss the relationship between tectonic stress and metallogenic elements by studing representative geological sections.The authors suggest that tectonic role is not only to shatter and mylonitize rock,but also control the elements distribution,activation and migration.Because of the controlling role of tectonic stress,metallogenic elements show some comparability and difference in geochemical behavior under different tectonic lithofacies belts.
出处
《地质力学学报》
CSCD
2003年第2期183-190,共8页
Journal of Geomechanics
基金
国家计委科技找矿项目(JG947110)。
关键词
构造应力
元素分配
焦家金矿床
地球化学
distribution of elements
stress
Geochemistry
Jiaojia gold deposit
