摘要
对还原型"激发成矿"因素进行了深入的探讨,认为还原型"成矿激发因素"热液铀矿床是由成矿溶液流到成矿空间,Eh骤然显著降低,达到矿质沉淀所需的还原条件引起铀成矿。热液铀矿床还原型"成矿激发因素",按还原剂的来源分为两个亚类:内在还原亚类和环境还原亚类。重点阐述还原型"成矿激发因素"的分类、特征、形成条件、代表性的矿床及找矿意义。为衡量环境(围岩)还原能力,提出了环境还原指数E=(R+S+C)/(氧当量数+氟、氯当量数),来表示环境(围岩)还原能力与铀成矿的关系。
Reduced form exciting factors of governing mineralization are discussed. It is indicated that metallogenic conditions of hydrothermal uranium deposits of reduced form exciting factors governing mineralization are oreforming solution flow into metallogenic space ; Eh decreases significantly, and reach reducing condition of mineral deposit. The exciting factors of governing mineralization are divided into internal reduction subclass and environment reduction subclass. Then emphases on the classification, characteristic, formation condition, representative deposits and prospecting significance in this paper. The environment reduction index is put forward to evaluate reducing power of surrounding rock.
出处
《东华理工大学学报（自然科学版）》
CAS
2008年第3期217-222,共6页
Journal of East China University of Technology(Natural Science)
关键词
热液铀矿床
还原型“成矿激发因素”
内在还原亚类
环境还原亚类
环境还原指数
hydrothermal uranium deposit
reduced form exciting factors of governing mineralization
internal reduction subclass
environment reduction subclass
environment reduction index
