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机译:中国扬子地区的上奥陶纪(桑迪-卡田)滑石和牙形石带
up>School of Earth Sciences, Division of Earth History, The Ohio State University, Columbus, Ohio 43210, USA Email stig@geology.ohio-state.edu;
Department of Geology, University of Dayton, Dayton, Ohio 45469, USA Email dan.goldman@notes.udayton.eduABSTRACT;
lite and conodont biostratigraphy of the latest Darriwilian, Sandbian and early and middle Katian succession on the Yangtze Platform is reassessed based on numerous new fossil collections and previously published data. At least at some localities, the lowermost Miaopo Formation is of pre-Nemagraptus gracilis Zone age (uppermost Pygodus serra and lowermost P. anserinus conodont zones). The rest of this formation (except for the uppermost part, which lacks diagnostic graptolites) has a diverse graptolite fauna of the N. gracilis Zone. The uppermost part of the Miaopo Formation contains few biostratigraphically diagnostic graptolites b;
biostratigraphy; conodonts; graptolites; Yangtze Platform;
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