摘要
该文根据当地所采土样中的孢粉含量及化石分布情况,简述了当时古植被的组合及古气候环境的特征,并为地层的划分提供了依据.
According to spore-pollen analysis from soil-sampling and fossil distribu-tions in the locality,this paper expounds the combination of palaeo-vegetations and envi-ronmental features of palaeo-climates at that time,provides scientific basis for dividing layers.
出处
《河北师范大学学报（自然科学版）》
CAS
1993年第3期93-96,共4页
Journal of Hebei Normal University：Natural Science
