正确归并和界定地质事件群在研究区域地质演化特征或进行大区域间的地质对比时具有十分重要意义。
It is of great significance to define geological events and merge them into an event group in the research on regional geological evolution and geological correlation between large regions.
地球化学省是区域岩石圈演化过程中形成的，是具有共同成因的、一定规模的地质单元的地球化学表现。
The geochemical province, formed in the course of regional lithospheric evolution, is characterized by geological units with common origin and certain sizes.
通过对大地构造演化及区域动力学背景分析，为煤田预测和勘查规划提供必要的地质学基础。
Analysis on the tectonic evolution and regional dynamics background provides necessary basis in geology for forecast and planning of coal field.
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