甘肃文石坊群孢子化石的发现及地质意义-地球科学与环境学报.PDF

29 3 No .3 Vol .2 9 2 0 0 7 9 　Journal of Earth Sciences and Environment 　 Sept.2 0 0 7 1 1 1 2 王瑶培 , 刘继庆 , 苏春乾, 王彦学 (1. , 710054;2., 472500) :, 14 , 56 , 、 、, 。、, 、。 :;;; :P534　:A 　:1672-6561(2007)03-0240-05 Discovery and Geologic Sigificance of Spore Fossils in Shifang Group of Wenxian County,Gansu Province 1 1 1 2 WANG Yao-pei , LIU Ji-qing , S U Chun-qian , WANG Yan-xue (1.S chool of Earth S ciences and Resources, Chang an University, X i an 710054, Shaanxi, China; 2.H enan P rovince Lingbao Gold Limited Company , Lingbao 472500, Henan, Ch ina) Abstract:Spore fossils including 14 genera and 56 species were discovered in the Shifang Group of Wenxian Coun- ty, Gansu Province.The discovery indicates that Shifang Group in this area belongs to early-middle Devonian be- cause these spore fossils can be compared w ith spore fossils of the Dushan and Duyun areas in Guizhou Province. This wonderful discovery has an important geologic significance in the division and time determination of the stra- tum and tectonic evolution study in this area. Key words:Spore fossils;Shifang Group;geologic significance;Gansu Province 。 0 　 、 。 , (), 1　 , (Dsh)1960 。、 “”, [1] [1] 、 (1)。 。1961 , , , “”, , [1] 。1974 , 、、 [1] “”, 。“