Conodonts from Baiyungang Formation in Queerqueke Section in Southern Kuruktag Area,Xinjiang

Abstract

Abstract: This paper presents the conodonts collected from Baiyungang formation in Queerqueke mountain, southern Kuruktag area in Xinjiang, consisting of 19 species and 3 undetermined ones, belonging to 14 genuses. They are classified into 6 conodont zones from bottom to top, such as Proconodontus posterocostatus zone, Proconodontus muelleri zone, Eoconodontus notchpeakensis zone, Cordylodus proavus zone, Cordylodus lindstromi zone and Cordylodus angulatus zone. Based on these conodont zones, the Cambrian-Ordovician boundary in this area is preliminarily determined.

Key words: Xinjiang, Kuruktag, conodont, Late Cambrian, Early Ordovician

CLC Number:

Q913

GUO Wei, HE Shun-li, ZHAO Zong-ju, TAN Ze-jin. Conodonts from Baiyungang Formation in Queerqueke Section in Southern Kuruktag Area,Xinjiang[J]. Xinjiang Petroleum Geology, 2009, 30(2): 188-193.

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