Ostracods from the Emuha Section of Devonian-Carboniferous Transitional in Western Junggar
Song Junjun
Gong Yiming
Abstract：To provide new evidences for the stratigraphic division of Devonian and Carboniferous as well as paleoenvironmental reconstruction of western Junggar,Xinjiang,NW China.The biostratigraphic data of Devonian-Carboniferous boundary (D-C) has been explored in this study by field sampling and laboratory analysis in western Junggar.12 ostracod species (including 1 new species)from the Devonian-Carboniferous in the Emuha section of western Junggar are first described and presented.It is found that they belong to 9 genera,including Cavellina sublatiovata ,C .cf.obesa ,C .sp.,Glyptopleura sp.,Healdianella renalata ,H .sp.,Bairdiocypris vafra ,Bairdia sp.,Rectobairdia sp.,Fabalicypris sp.,Youngiella calvata ,Coelonella xizhunensis sp.nov..The stratigraphical distribution of ostracods in the Emuha section suggests that the Hongguleleng Forma-tion should be Late Devonian to the Early Carboniferous in age.In terms of paleoecology,the retrieved ostracods indicate an off-shore environment during intermittent periods of volcanic activities in volcanic arc zone.
Keywords：ostracodDevonian-Carboniferouswestern Junggarstratigraphysedimentology
Publication Date：2015-01-01
Online Publishing Date：2025-08-15(First online date of this platform, not the publication date of the document)
Pages：13( 797-809 )