地层区分  stratigraphical division; stratigraphic division

地层区划  stratigraphic provincialism; stratigraphic regionalization; stratigrphic region

地层区间  formation interval

地区层面  district level

构造地层区  tectono-stratigraphic terrane

红层地区  red bed area

华北岩石地层区  jiangsu

基层地区  countryside

年代地层区分  time-stratigraphic classification; time stratigraphic

太平洋新第三纪地层区域委员会  RCPNS; Regional Committee on Pacific Neogene Stratigraphy

扬子岩石地层区  LITHOSTRATIGRAPHY

中国区域年代地层地质年代表  Regional Chronostratigraphic Chart of China

藏南仲巴地层分区  Zhongba stratigraphic area; southern tibet

地层陡倾角区  steep-dipping strata area

地层分区  stratigraphical district; stratigraphic subregion

地层下陷区  Land subsidence

地区性地层单位  topostratigraphic unit

地区性生物地层带  biomere

地区性生物地层单位  biomere

地下多层复杂采空区  underground multilayer complex goaf