摘要
本文通过实际资料将资阳地区震旦系灯影组划分为四种主要岩石类型及三种主要沉积相。依据最新的白云岩成因理论，结合先进的室内测试手段，对这几类白云岩进行成因分析，证明资阳地区灯影组白云岩具原生和重结晶两种成因类型。
The Sinian Dengying Formation in the Ziyang district, Sichuan contains a succession of dolostones with abundant blue green algae. Four rock types have been distinguished. They are algae binding dolostone, algal dolostone, dolomicrite and dolosiltite, which are arranged into subtidal subfacies, intertidal subfacies and supratidal subfacies, respectively. The additional types include dark grey and bluish grey mudstones and muddy dolostones. According to latest theory and approach to the origin of dolostones, the dolostones from the study area are interpreted to be partly primary in origin or originated from recrystallization.
关键词
灯影组
白云岩
重结晶
岩石成因
资阳地区
Ziyang
Dengying Formation
dolostone
primary
recrystallization
