摘要
对胶莱盆地蓬家夼与宋家沟两金矿的矿区地质特征、含矿岩系的岩石学、成矿元素、主量元素、微量元素、稀土元素以及碳、氧、硫稳定同位素等地质地球化学特征进行研究。结果表明:两矿床中金矿体的形成和分布受莱阳群及其中的断裂控制,莱阳群既是含矿层,又是矿源层。含矿岩系主要为陆源碎屑岩类,其沉积环境为河、湖相。讨论了含矿岩系的成岩及成矿作用机理。
The aulhors investigate geological features and ore - bearing rock series in term of its petrology, ore - forming e1ements, main and trace el-ements, REE, carbon, oxygen and sulfur isotope at Pengjiakuang and Songjiagou gold deposit. The results show that the Laiyang group and related faultscontrol the distribution of gold orebodies. The Laiyaang group is ore - bearing and source beds. The ore - bearing rock series are mainly detrital rock andit's sedimentary environment is river and lake. The mechanism for diagenetic and ore - forming process of ore - bearing rock series are discussed.
出处
《地质与勘探》
CAS
CSCD
北大核心
2002年第3期33-37,共5页
Geology and Exploration
基金
国家自然科学基金资助(项目号:49963001)
关键词
胶莱盆地
层控型金矿床
成矿作用
含矿岩系
成岩作用
沉积环境
stratabound gold deposit, ore- bearing rock series, diagenetic and ore - forming process, Jiaolai basin
