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山东九龙群炒米店组概念新议
引用本文:刘书才,杜圣贤,张增奇,张春池,张成基.山东九龙群炒米店组概念新议[J].地层学杂志,2010,34(4).
作者姓名:刘书才  杜圣贤  张增奇  张春池  张成基
作者单位:山东省地质科学实验研究院,山东,济南,250001;山东省地质调查院,山东,济南,250001;山东省地质矿产勘查开发局,山东,济南,250001
摘    要:山东地区寒武系-奥陶系界线以往是以三叶虫和角石生物带为依据来确定,由于在界线上下几十米难以获得这类可供鉴定的大化石,这一重要年代地层界线实际上就划在三山子组b段之底。在长清区崮山镇范庄剖面上该界线确定在炒米店组之顶界,因而山东炒米店组被定义为"上寒武统最上部的一个岩石地层单位"。近年来,在长清张夏—崮山地区、青州尧王山地区和莱芜黄羊山地区,根据牙形石"Cordylodus lindstromi"准确确定的寒武系-奥陶系界线均位于炒米店组内部,分别距炒米店组顶9.05m、58.10m和4.00m。根据上述成果和岩石地层单位命名原则,炒米店组应定义为跨寒武纪与奥陶纪的岩石地层单位。

关 键 词:寒武系-奥陶系界线  牙形石生物带  九龙群  炒米店组  冶里组  亮甲山组  青州  山东

ON THE CHAOMIDIAN FORMATION OF THE JIULONG GROUP IN SHANDONG PROVINCE
LIU Shu-cai ,DU Sheng-xian ,ZHANG Zeng-qi ,ZHANG Chun-chi , ZHANG Cheng-ji Sh,ong Institute , Laboratory of Geological Sciences,Jinan , Sh,ong Geological Surveying Institute, Sh,ong Exploration Institute of Geology , Mineral Resources.ON THE CHAOMIDIAN FORMATION OF THE JIULONG GROUP IN SHANDONG PROVINCE[J].Journal of Stratigraphy,2010,34(4).
Authors:LIU Shu-cai  DU Sheng-xian  ZHANG Zeng-qi  ZHANG Chun-chi  ZHANG Cheng-ji Sh  ong Institute  Laboratory of Geological Sciences  Jinan  Sh  ong Geological Surveying Institute  Sh  ong Exploration Institute of Geology  Mineral Resources
Institution:LIU Shu-cai~ 1),DU Sheng-xian~ 1),ZHANG Zeng-qi ~ 1),ZHANG Chun-chi~ 2) , ZHANG Cheng-ji~ 3) 1)Sh,ong Institute , Laboratory of Geological Sciences,Jinan 250013,2) Sh,ong Geological Surveying Institute,3) Sh,ong Exploration Institute of Geology , Mineral Resources
Abstract:The Cambrian-Ordovician in Shandong Province has been determined on the basis of trilobite and nautiloid biozones. However, due to lack of these biozone fossils in strata near the Cambrian-Ordovician boundary at many sections, this important chronostratigraphic boundary is placed lithostratigraphically at the base of Member b of the Sanshanzi Formation. At the Fanzhuang section in Gushan, Changqing district, this boundary is placed lithostratigraphically at the top of the Chaomidian Formation. As such, the ...
Keywords:conodont biozone  Cambrian-Ordovician boundary  Chaomidian Formation  Jiulong Group  Yeli Formation  Liangjiashan Formation  diachronism  Yaowangshan  Qingzhou Shandong Province  
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