通过对岩煤层成分、结构、构造及所含化石特征分析，揭示出井田内发育有古河流地质构造。
From analyses of rock and coal composition, texture, structure and fossil character, revealed that in the minefield has paleochannel passed through.
民和盆地巴州拗陷的白垩系按其岩性、化石特征和沉积相自下而上分为大通河组、河口组和民和组。
In terms of lithology, fossil records and sedimentary facies, the Cretaceous in the Bazhou depression, Minhe basin is subdivided into Datonghe, Hekou and Minhe Formation.
对该生物群进行研究，目的是在系统归纳、总结出该生物群各类化石特征的基础上，力争发现一些新属种生物。
The purpose of research is to find out some new genus and species based on summarizing the system and the feature of all kinds of fossils.
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