Paleobotanic Evidences for Climate Getting Hot from the Bajocian to the Early Bathonian in Southern Border of North China Platform  

作　　者：曾勇 范炳恒 沈树忠 

出　　处：《International Journal of Mining Science and Technology》1997年第1期6-10,共5页矿业科学技术学报（英文版）

摘　　要：Three flora assemblages of Yima formation, in western Henan are systematically studied. The beginning time from which the climate in this region during the middle Jurassic and the late Jurassic period getting hot was Bajocian to early Bathonian,obviously earlier than in south Europe, middle Asia,and Siberia.Three flora assemblages of Yima formation, in western Henan are systematically studied. The beginning time from which the climate in this region during the middle Jurassic and the late Jurassic period getting hot was Bajocian to early Bathonian,obviously earlier than in south Europe, middle Asia,and Siberia.

关 键 词：North China Platform the BAJOCIAN to the EARLY BATHONIAN CLIMATE GETTING HOT paleobotany 

分 类 号：P532[天文地球—古生物学与地层学]