煤层在层序划分与对比中具有十分重要的参考意义。
Coal bed plays a reference role in sequence division and correlation.
在区域地层划分与对比中，内蒙古固阳盆地缺少下第三系。
In the regional stratigraphic classification and correlation, the Lower Tertiary strata are absent in Guyang basin, Inner Mongolia.
牙形刺；晚石炭世；本溪组；辽宁东南部；地层划分与对比。
Conodonts; Late Carboniferous; Benxi Formation; southeastern Liaoning; Stratigraphical divisions and correlation.
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