Early Cambrian protoconodonts and conodont-like fossils from China: Taxonomic revisions and stratigraphic implications*

By Qian Yi   Li Guoxiang   Zhu Maoyan   Steiner Michael   Erdtmann Bernd-D.  

Progress in Natural Science, Vol. 14, Iss. 2, 2004-02 ,pp. : 173-180

Taylor & Francis Ltd

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Initial organic geochemical investigation on Late Neoproterozoic-Early Cambrian sediments in the Yangtze region, China*

By Wang Tieguan   Wang Chunjiang   Zhang Weibiao   Shi Quan   Zhu Lei   Chen Junyuan  

Progress in Natural Science, Vol. 13, Iss. 12, 2003-12 ,pp. : 936-941

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Sponge spicules in phosphorites of the Early Cambrian Gezhongwu Formation, Zhijin, Guizhou *

By Yang Ruidong   Qian Yi   Zhang Jie   Zhang Weihua   Jiang Lijun   Gao Hui  

Progress in Natural Science, Vol. 14, Iss. 10, 2004-10 ,pp. : 896-902

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Pb-Pb isotope dating of black shales from the Lower Cambrian Niutitang Formation, Guizhou Province, South China*

By Chen Yongquan   Jiang Shaoyong   Ling Hongfei   Feng Hongzhen   Yang Jinghong   Chen Jianhua  

Progress in Natural Science, Vol. 13, Iss. 10, 2003-10 ,pp. : 771-776

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Paleoceangraphic significance of redox-sensitive metals of black shales in the basal Lower Cambrian Niutitang Formation in Guizhou Province, South China*

By Yang Jinghong   Jiang Shaoyong   Ling Hongfei   Feng Hongzhen   Chen Yongquan   Chen Jianhua  

Progress in Natural Science, Vol. 14, Iss. 2, 2004-02 ,pp. : 152-157

Taylor & Francis Ltd

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