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STUDY ON THE CAVE DEPOSITS AT TUOZIDONG OF TANGSHAN,NANJING AND THEIR SIGNIFICANCE

ZHOU Chun-lin~ 1) , FANG Ying-san~ 2) , and LU Cong-lun~ 1) 1) Geographic Science College, Nanjing Normal University, Nanjing, 210046;2) Nanjing Museum, Nanjing, 210016  
Through investigating and analyzing cave deposits samples at Tuozidong of Tangshan, Nanjing, combining previous research results and geological history of the Tangshan area, we discuss the geochronology, depositional processes and modes of the Tuozidong cave deposits, and logically elaborates on its paleoenvironments, geomorphology, paleoclimate and biological evolution at Tuozidong. Preliminary results indicate that the Tuozidong deposits possibly belong to the Early Pleistocene to early Middle Pleistocene that the upper Tuozidong deposits containing mammal fossils were probably formed during warm climate.
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