Browsing by Subject "Geology, Stratigraphic--Ordovician"
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TRILOBITE BIOFACIES, SYSTEMATICS AND FAUNAL TURNOVER IN A SEQUENCE STRATIGRAPHIC FRAMEWORK DURING THE UPPER ORDOVICIAN OF OKLAHOMA AND VIRGINIA
(2012)In the Appalachian foreland basin of the eastern United States, major sedimentologic and geochemical changes occured during the Upper Ordovician (Sandbian-Katian). The modification of ocean circulation patterns, introduction ...