摘要
本文通过对密怀平山区金矿成矿地质条件的分析，将密怀平山区金矿的成矿期划分为早元古代吕梁成矿期、中生界印支成矿期及燕山成矿期三个成矿期。
In the Mi-Huai-Ping mountain area of Beijing,through study of the metallogenic condition of the gold ore the metallogenic epoch of the gold ore can be divided three stage:Luling stage,Indosinian stage.and ynshan stage.
出处
《北京地质》
1994年第1期1-2,共2页
Beijing Geology
关键词
金矿床
成矿期
地质条件
metallogenic condition,metallogenic epoch,abundance of gold elemets,gronite complex,subvolcanic rock.
