生物地层学对比
biostratigraphic correlation
生物地层学划分
biostratigraphic classification
层序生物地层单元
sequence biostratigraphic unit
基础地层学
topostratigraphy
prostratigraphy
propaedeutic stratigraphy
化学地层学划分
chemostratigraphy division
河流相层序地层学
Fluvial facies sequence stratigraphy