摘要
在大水沟一带的中浅变质碎屑岩、碳酸盐岩夹基性火山岩地层中,获得较丰富的志留纪球藻类化石,为划分地层和讨论时代归属提供了依据。
Middle and low grade metamorphic rocks , consisting of metaclastics and carbonate rocks intercalated with basic volcanic rocks, in Dashuigou yield abundant Silurian algal fossils, which provide the base for stratigraphic division and age determination.
出处
《四川地质学报》
1998年第4期9-11,共3页
Acta Geologica Sichuan
关键词
大水沟
藻类化石
地层划分
Dashuigou, algal fossil, stratigraphic division