华北板块晚古生代海侵事件沉积类型及分布
|
摘要
采用沉积学、煤地质学、地球化学、古生物地层学、事件沉积学等多学科研究方法,详细研究了海侵事件沉积类型及其特征,并进行了海侵事件沉积空间分布研究,结果发现:海侵事件沉积具有4种类型,即海相灰岩—煤层—根土岩或铝质泥岩、海相灰岩—深水泥岩—煤层—铝质泥岩或根土岩组合、深水泥岩—煤层—铝质泥岩或根土岩组合和深水泥岩(海相灰岩)—铝质泥岩或根土岩组合;在空间分布上,早紫松期海侵事件沉积具全区对比性意义,格舍尔期最大海泛期、紫松期中期以及隆林期中期初始海泛期具有区域对比意义;以华北晚古生代紫松期最大事件型海侵为例分析了其不同沉积类型的平面分布特征。
With integrated research methods of various subjects such as sedimentology,coal geology,geochemistry,paleontology stratigraphy and event sedimentology,this paper analyzes the types,characteristics and distribution of sediment of transgression events.The results are as follows:sediment of transgression events has four types,which are marine limestone-coal seamseat rock or aluminum mudstone,marine limestone-deep water mudstone-coal seam-aluminum mudstone or seat rock combination,deep water mudstone-coal seam-aluminum mudstone or seat rock combination and deep water mudstone(or limestone)-aluminum mudstone or seat rock combination;on the spatial distribution,sediment of transgression events during Early Asselian stage has comparative meaning in the whole area,and the maximum flooding period during Gzhelian stage,first flooding period during the mid Asselian stage and mid Sakmarian stage have regional comparative meaning.With the maximum event transgression during Asselian stage in Late Paleozoic Era in North China for example,the paper studies the planar distribution characteristics of different sediment types.
With integrated research methods of various subjects such as sedimentology,coal geology,geochemistry,paleontology stratigraphy and event sedimentology,this paper analyzes the types,characteristics and distribution of sediment of transgression events.The results are as follows:sediment of transgression events has four types,which are marine limestone-coal seamseat rock or aluminum mudstone,marine limestone-deep water mudstone-coal seam-aluminum mudstone or seat rock combination,deep water mudstone-coal seam-aluminum mudstone or seat rock combination and deep water mudstone(or limestone)-aluminum mudstone or seat rock combination;on the spatial distribution,sediment of transgression events during Early Asselian stage has comparative meaning in the whole area,and the maximum flooding period during Gzhelian stage,first flooding period during the mid Asselian stage and mid Sakmarian stage have regional comparative meaning.With the maximum event transgression during Asselian stage in Late Paleozoic Era in North China for example,the paper studies the planar distribution characteristics of different sediment types.
引文
[1]张鹏飞,邵龙义,代世峰.华北地台晚古生代海侵模式雏议[J].古地理学报,2001(1)
[2]钟蓉,傅泽明.华北地台晚石炭世-早二叠世早期海水进退与厚煤带分布关系[J].地质学报,1998(1)
[3]胡益成,廖玉枝.华北盆地南部早二叠世早期聚煤作用的成因机制[J].地学前缘,1999(6)
[4]李宝芳,温显瑞,李贵东.华北石炭、二叠系高分辨层序地层分析[J].地学前缘,1999(6)
[5]武法东,陈钟惠,张守良等.华北石炭二叠纪的海侵作用[J].现代地质,1995(3)
[6]陈世悦.华北石炭—二叠纪层序地层格架及其特征[J].沉积学报,1999(1)
[7]李增学,李守春,魏久传.事件性海侵与煤聚集规律-鲁西晚石炭世富煤单元的形成[J].岩相古地理,1995(1)
[8]何起祥,业冶铮,张明书等.受限陆表海的海侵模式[J].沉积学报,1991(1)
[9]李增学,魏久传,韩美莲.海侵事件成煤-一种新的聚煤模式[J].地球科学进展,2001(1)
[10]李增学,余继峰,郭建斌等.陆表海盆地海侵事件成煤作用机制分析[J].沉积学报,2003(2)
[11]焦叶红.呼山煤盆地伊敏组煤层特征及聚煤环境分析[J].中国煤炭,2013(10)
[12]许亚琴.东曲矿区晋祠组8#、9#煤层聚煤规律分析[J].中国煤炭,2010(S1)
[2]钟蓉,傅泽明.华北地台晚石炭世-早二叠世早期海水进退与厚煤带分布关系[J].地质学报,1998(1)
[3]胡益成,廖玉枝.华北盆地南部早二叠世早期聚煤作用的成因机制[J].地学前缘,1999(6)
[4]李宝芳,温显瑞,李贵东.华北石炭、二叠系高分辨层序地层分析[J].地学前缘,1999(6)
[5]武法东,陈钟惠,张守良等.华北石炭二叠纪的海侵作用[J].现代地质,1995(3)
[6]陈世悦.华北石炭—二叠纪层序地层格架及其特征[J].沉积学报,1999(1)
[7]李增学,李守春,魏久传.事件性海侵与煤聚集规律-鲁西晚石炭世富煤单元的形成[J].岩相古地理,1995(1)
[8]何起祥,业冶铮,张明书等.受限陆表海的海侵模式[J].沉积学报,1991(1)
[9]李增学,魏久传,韩美莲.海侵事件成煤-一种新的聚煤模式[J].地球科学进展,2001(1)
[10]李增学,余继峰,郭建斌等.陆表海盆地海侵事件成煤作用机制分析[J].沉积学报,2003(2)
[11]焦叶红.呼山煤盆地伊敏组煤层特征及聚煤环境分析[J].中国煤炭,2013(10)
[12]许亚琴.东曲矿区晋祠组8#、9#煤层聚煤规律分析[J].中国煤炭,2010(S1)