摘要
本文主要讨论安徽淮北平原晚更新世以来地质环境的演变,及其相关沉积物的特征;并从成土母质、地貌特征和水文地质等成土因素的差异,探讨淮北平原土壤的发育和分布规律。),晚更新统有关钻孔孢粉组合分析表明,早期属针叶林为主针润混交林草原景观(表1);中期为疏林草原景观;晚期属针叶林为主针阔混交林草原景观,并多处发现淮河诺氏古菱齿象和杨氏水牛化石,反映这一时期的古气候,冷、暖波动,温湿、干凉交替。晚期末,因海平面下降,气候转冷,本区为一剥蚀区缺失沉积。进入全新世,因地壳继续轻度抬升,淮河各支流下切。
This paper discuss the evolution of geologic environment after late pleis-toscene and the features of concerned deposit material mainly.According to the differ-ence of soil-formation factors in soil parent material and geomorphic features and hy-drogeology etc,the treatise approach soil development and the law of soil distribution inHuaibei plain of Anhui proivnce
基金
安徽省教委资助课题
关键词
地质环境
土壤发育
晚更新世
Geologic environment,soil development,late pleistoscene,Huaibei plain.