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为了研究沉积环境,笔者在陕西境内研究华北台缘晚前寒武纪地层时,曾对变质较浅的高山河组、罗圈组碎屑岩做了部分岩石薄片粒度分析,试图以粒度分布特征作为环境判别的补充标志。全部粒度分析薄片均用光笔图
In order to study the sedimentary environment, when studying the Late Precambrian stratigraphy of the margin of the North China in Shaanxi Province, the authors analyzed the granularity of some rocks in the Gaoshanhe Formation and the Luoquan Formation clastic rocks with less metamorphism. Environmental discrimination supplementary sign. All particle size analysis with light pen drawing sheet