Late Cambrian Conodonts Composition and the Determination of Cambrian and Ordovician Boundary in Huangyangshan of Laiwu City in Shandong Province
Shucai Liu
Abstract
Shucai Liu
Abstract
Through measured late Cambrian stratigraphic profile and by using conodonts,Cambrian and Ordovician boundary are determined in this paper.the characteristics of carbon and oxygen isotope curve in Sankai period is analyzed,and compared with carbon isotope curve at the bottom of Cambrian Furong group in southern China and Kazakhstan.On these basis,the comparison relation between upper Cambrian in South China and abroad is established.
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Through measured late Cambrian stratigraphic profile and by using conodonts,Cambrian and Ordovician boundary are determined in this paper.the characteristics of carbon and oxygen isotope curve in Sankai period is analyzed,and compared with carbon isotope curve at the bottom of Cambrian Furong group in southern China and Kazakhstan.On these basis,the comparison relation between upper Cambrian in South China and abroad is established.
Key concepts: Ordovician, Geology, Conodont, Paleontology, Period (music), Isotopes of carbon, China, Boundary (topology)