大西洋期

1

第四阶段以常绿栎类为主的常绿阔叶林，反映气候热暖潮湿（相当于大西洋期，Q24）；

Evergreen broad-leave forest mainly composed of Quercus ( evergreen ) indicating hot and wet climate ( Q 2 4 , Atlantic period );
2

第六阶段以常绿栎类、落叶栎类、松为主的针、阔叶混交林-草原，反映气候温暖湿润（相当于亚大西洋期，Q34）。

Mixed forest of broad-leave and conifers trees-grassland , Quercus ( evergreen ), Quercus ( deciduous ) and Pinus being the main components , reflecting warm and moist climate ( Q 3 4 , Sub-Atlantic period ,) .
3

可与欧洲前北方期、北方期和大西洋期、亚北方期进行对比。

They can be contrasted with pre North , North , Atlantic and sub North strata in Europe .
4

本区剖面顶部的褐黄色砂质粉砂层则是在亚大西洋期（2450～1980aB.P.期间）于暖湿环境下形成的河漫滩相沉积。

However , the upper brown yellow sandy silt layer in the profile of the area was formed by alluvial flat facies deposits during the warm humid environment of Subatlantic Phase ( 2450-1980 a BP ) .