江西中西部黄龙组底部的Pseudostaffella层位问题  

On the horizon of Pseudostaffella at the base of the Huanglong Formation, central-west Jiangxi

作　　者：林联盛 诸宝森 

机构地区：[1]江西省"山江湖"开发治理办公室,江西省地质矿产调查研究大队

出　　处：《地层学杂志》1994年第2期146-148,共3页Journal of Stratigraphy

摘　　要：近年来，在江西中西部黄龙组底部发现了Ｐｓｅｕｄｏｓｔａｆｆｅｌｌａ，由此涉及到了黄龙组底部的地层时代及对比问题。根据匕高石坎尾剖面上类化石的分布和动物群性质，江西黄龙组底部与Ｅｏｓｔａｆｆｅｌｌａ、Ｓｃｈｕｂｅｒｔｅｌｌａ共生的Ｐｓｅｕｄｏｓｔａｆｆｅｌｌａ和贵州、湖南Ｐｓｅｕｄｏｓｔａｆｆｅｌｌａ带组合面貌相差甚远。江西中西部至今不存在确切的Ｐｓｅｕｄｏｓｔａｆｆｅｌｌａ带。In the recent years, some species of Pseudostaffella were found from the lowest limestone of the Huanglong Formation in central-west Jiangxi, which pro vided relevant information on the age and correlation of the lowest strata of the Huanglong Limestone. According to the distribution and faunal property of fossil fusulinids in the Shikanwei Section at Shanggao, the authors considers that feature of Pseudostaffella which is associated with Eostaffella, Schubertella, etc. in the lowest Huanglong Limestone in Jiangxi are different from that of Pseudostaffella Zone in Guizhou and Hunan. For example, there are not any guide fossils in it and the sediments containing fusulinids are thin. Therefore, no exact Pseudostaffella Zone in centralwest Jiangxi has been found until now.

关 键 词：蜓类 地层 江西 下石炭世 层位 

分 类 号：P534.45[天文地球—古生物学与地层学]