李旭兵,王令占,王传尚,赵小明

• 1:宜昌地质矿产研究所

摘要(Abstract)：

通过对鄂西地区志留纪罗惹坪组调查,发现在宜昌分乡一带,罗惹坪组底部碳酸盐岩主要为一套生物礁灰岩,产大量的单体或群体珊瑚化石;长阳杉沱湾,长阳乐园以及宜都梯子口一带主要为泥灰岩、生物碎屑灰岩以及瘤状灰岩组成;而在西侧的建始细砂—羊死岩一带碳酸盐岩消失,主要沉积碎屑岩,为灰色薄层细砂岩夹粉砂质页岩,发育水平层理以及沙纹层理。通过沉积环境分析,认为宜昌分乡一带为礁滩相沉积环境,长阳杉沱湾—长阳乐园一带以及宜都梯子口一带为礁前相沉积环境,建始细砂—羊死岩一带为浅海碎屑岩相沉积环境。

关键词(KeyWords)： 沉积环境;礁滩相;浅海碎屑岩相;罗惹坪组;志留系;鄂西

Abstract:

Keywords:

基金项目(Foundation): 中国地质调查局湖北1/5万《火烧坪》等四幅区调(1212010610709);; “中上扬子海相含油气盆地分析与油气成藏条件综合调查评价(121010733505)”成果之一

作者(Author): 李旭兵,王令占,王传尚,赵小明

参考文献(References)：

• 陈建强,李志明,龚淑云,李全国,苏文博.1998.上扬子区志留纪层序地层特征.沉积学报,16(3):58—65
• 陈立德,陈孝红,李志宏,汪啸风,王传尚.2002.志留系.见:汪啸风,陈孝红,张仁杰等编.长江三峡地区珍贵地质遗迹保护和太古宙—中生代多重地层划分与海平面升降变化.北京:地质出版社.103—122
• 陈旭,戎嘉余,周志毅,张元动,詹仁斌,刘建波,樊隽轩.2001.上扬子区奥陶-志留纪之交的黔中隆起和宜昌上升.科学通报,46(12):1052—1056
• 穆恩之.1954.论五峰页岩.古生物学报,2(2):153—170
• 戎嘉余,陈旭.2000.中国志留纪年代地层学述评.地层学杂志,24(1):27—35
• 戎嘉余.2005.再论志留纪年代地层的统、阶层型研究.地层学杂志,29(2):160—164
• 四川省地质矿产局.1997.四川省岩石地层.武汉:中国地质大学出版社.1—417
• 孙云铸.1943.就中国古生代地层论地史时代划分之原则.中国地质学会志,23(1-2):35—56
• 汪啸风,倪世钊,曾庆銮等.1987.长江三峡地区生物地层学早古生代分册.北京:地质出版社.156—167
• 王传尚,汪啸风,陈孝红.2005.志留系.见:汪啸风,陈孝红等编.中国各地质时代地层划分与对比.北京:地质出版社.156—193
• 卫平生,刘全新,张景廉,陈启林,张虎权.2006.再论生物礁与大油气田的关系.石油学报,27(2):38—43
• 谢家荣,赵亚曾.1925.湖北西部罗惹坪志留系的研究.中国地质学会志,4:39—44
• 尹赞勋.1949.中国南部志留纪地层之分类与对比.中国地质学会志,29:1—62
• Bureau of Geology and Mineral Resources of Sichuan Province.1997.Stratigraphy(Lithostratigraphic)of Sichuan Province.Wuhan:China University of Geosciences Press.1—417
• Chen Jian-qiang,Li Zhi-ming,Gong Shu-yun,Li Quan-guo&SuWen-bo.1998.Silurian sequence stratigraphy of Upper YangtzeRegion,China.Actasedmentologica snica,16(3):58—65
• Chen Li-de,Chen Xiao-hong,Li Zhi-hong,Wang Xiao-feng&WangChuan-shang.2002.Silurian.In:Wang Xiao-feng,Chen Xiao-hong,Zhang Ren-jieet al.eds.Protection of precise geologicalremains in the Yangtze gorges Area,China with the study ofthe Archean-Mesozoic multiple stratigraphic subdivision andsea-level change.Beijing:Geological Publishing House.103—122
• Chen Xu,Rong Jia-yu,Zhou Zhi-yi,Zhang Yuan-dong,Zhan Ren-bin,Liu Jian-bo&Fan Jun-xuan.2001.The central Guizhouand Yichang uplifts,Upper Yangtze region,between Ordovi-cian and Silurian.Chinese Science Bulletin,46(12):1052—1056
• Mu En-zhi.1954.On the Wufeng Shale.Acta Palaeontologica Sini-ca,2(2):153—170
• Rong Jia-yu.2005.A reappraisal of the Silurian GSSPs.Journal ofStratigraphy,29(2):160—164
• Rong Jia-yu&Chen Xu.2000.Comments on Silurian chronos-tratigraphy of China.Journal of Stratigraphy,24(1):27—35
• Sun Y T.1943.Bases of the chronological classification with specialrefrernce to the Palaozoic stratigraphy of China.Bulletin of the Geological Society of China,23(1-2):35—56
• Wang Chuan-shang,Wang Xiao-feng&Chen Xiao-hong.2005.Silu-rian.In:Wang Xiao-feng,Chen Xiao-honget al.eds.Strati-graphic division and correlation of each geologic periodin China.Beijing:Geological Publishing House.156—193
• Wang Xiao-feng,Ni Shi-zhao,Zeng Qing-luanet al.1987.Bios-tratigraphy of the Yangtze Gorge area Early Palaezozoic Era.Beijing:Geological Publishing House.156—167
• Wei Ping-sheng,Liu Quan-xin,Zhang Jing-lian,Chen Qi-lin&ZhangHu-quan.2006.Re-discussion of relationship between reef andgiant oil-gas fields.Acta Petrolei Sinica,27(2):38—43
• Hsieh C Y&Chao Y T.1925.The Study of the Loureping of Siluri-aninthe west Hubei.Bulletinofthe Geological Society of Chi-na,4:39—44
• Yin T H.1949.Division and correlation of Silurian,south China.Bulletin ofthe Geological Society of China,29:1—62