%0 Journal Article
%T The Ancient Soil and Palaeogeographic Environment of Niutuozhen Ge othermal Field,Hebei Province in Quaternary Period<br>河北省雄县牛驼镇地热田第四纪古土壤与古地理环境
%A REN Zhen-ji
%A YU Kai-ning
%A YAN Gui-fan
%A <br>任振纪
%A 于开宁
%A 闫贵凡
%J 地球学报
%D 1999
%I 
%X According to the study on ancient soil,sporopollenan alysis,stratigrahic succession,and palaeomagnetic dating of the drill in Xiongx ian Geothermal field,Hebei province,the authors have discussed the palaeoclimate evolution in this area during Quaternary period.It is considered that during Qu aternary period the soil layers can be divided in two large zones,the palaeovege tation development had gone through four stages,and the distinct climate change of cold-warm-dry-wet had had sixteen times.
%K depositional cycle
%K ancient soil
%K palaeovegetation
%K palaeoenvironment<br>沉积韵律
%K 古土壤
%K 古植被
%K 古环境
%U http://www.alljournals.cn/get_abstract_url.aspx?pcid=E62459D214FD64A3C8082E4ED1ABABED5711027BBBDDD35B&cid=621CF755B1A341E5&jid=1DF69A47DE80569EC8F859DF61571180&aid=8A5BBB6F6CE57A262F1AB1644F904522&yid=B914830F5B1D1078&vid=A04140E723CB732E&iid=0B39A22176CE99FB&sid=BC084ACE66B62CC8&eid=9F6DA927E843CD50&journal_id=1006-3021&journal_name=地球学报&referenced_num=0&reference_num=4