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Theodosia Formation : ウィキペディア英語版 | Theodosia Formation
The Theodosia Formation is a geologic formation in Arkansas and Missouri. It preserves fossils dating back to the Ordovician period. The Rich Fountain Formation was proposed in 1944 as the equivalent of the lower part of the Jefferson City Formation in a new ''Jefferson City Group''. The Theodosia Formation was proposed as the equivalent of the upper Jefferson City and the lower portion of the overlying Cotter Formation.〔(Thompson, Thomas L., 2001, ''Lexicon of Stratigraphic Nomenclature in Missouri,'' Missouri Department of Natural Resources, Division of Geology and Land Survey, Report of Investigation Number 73, p 239 and 287 )〕 ==See also==
* List of fossiliferous stratigraphic units in Arkansas * List of fossiliferous stratigraphic units in Missouri * Paleontology in Arkansas * Paleontology in Missouri
抄文引用元・出典: フリー百科事典『 ウィキペディア(Wikipedia)』 ■ウィキペディアで「Theodosia Formation」の詳細全文を読む
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