Late Carboniferous-Early Permian Volcanic Event Deposits and Stratigraphic Correlation in Shandong Province and Its Adjacent Regions

查看全文 作　　者：Zhong Rong, Institute of Geomechanics, Chinese Academy of Geological Sciences, BeijingSun Shanping and Fu Zeming China University of Geosciences, Beijing Xu Niansheng, Xu Heling and Zhong Rong 出　　处：《Acta Geologica Sinica(English Edition)》索引1996年第70卷第4期,共16页 基　　金：This study was supported by the National Natural Science Foundation of China Grant No. 4880102 摘　　要：Deposits of 10 volcanic events of 6 stages have been discovered by the authors after detailed field and lab studies of the Benxi and Taiyuan Formations in Shandong Province and its adjacent regions. They show certain temporal-spatial distribution characteristics. Volcanic fragments were probably derived from two different volcanic sources north and south of the North China Platform, while the magma of the two volcanic sources was probably derived from the lower crust. A new stratigraphic correlation scheme is put forward for the Benxi and Taiyuan Formations in this region on the basis of previous biostratigraphic work with the regionally widespread volcanic event layers as the marker bed for the isochronous stratigraphic correlation on a super-regional scale and in conjunction with the maximum transgressive event layers. 关 键 词：VOLCANIC event DEPOSITS Late Carboniferous-Early Permian Benxi and Taiyuan Formations STRATIGRAPHIC correlation VOLCANIC source Shandong Province and ITS ADJACENT REGIONS