CONODONT BIOSTRATIGRAPHY OF THE CHATTANOOGA SHALE, MIDDLE AND UPPER DEVONIAN, SOUTHERN APPALACHIAN BASIN, EASTERN UNITED STATES
作者： D. Jeffrey Over
DOI: 10.1666/06-056R.1
关键词:
摘要: The Chattanooga Shale of the southern Appalachian Basin contains a diverse conodont fauna high Givetian, Frasnian, and Famennian. predominantly fine-grained strata were deposited in an offshore setting where depositional packages are separated by unconformities. Conodonts allow regional global correlation these strata, recognition Frasnian-Famennian boundary, narrow biostratigraphic constraint two Frasnian ash beds, MN Zone 8 for Belpre Ash upper 13 Center Hill Ash. Three new palmatolepid conodonts described open nomenclature, holotype Palmatolepis regularis Cooper is reillustrated.
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