分析了该区中志留世的沉积环境及变化特征。
The sedimentary environment of Middle Silurian is also involved.
本区绝大部分地层为下志留统，只有宁强组上部可能为中志留统。
Unless the upper part of Ningqiang Formation maybe belongs to Middle Silurian, the others belong to lower Silurian.
刘若愚的《酌中志》载：“初一日正旦节……吃水果点心，即匾食也。”
Ruo-yu liu "in action" : "the first day of the discussion section… eat fruit snacks, namely plaque food also.
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