郯庐断裂带鲁南段新元古界石旺庄组的震积岩序列
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摘要
在郯庐断裂带鲁南段新元古界石旺庄组碳酸盐岩地层中,鉴别出一套震积岩,其主要类型为液化方解石脉、同沉积褶曲、震碎角砾岩、海啸岩等。经过分析,这些现象是地震作用形成的震积岩—啸积岩序列,该序列为地震原地相和海啸异地相震积层组成的双层结构,两层之间被震积不整合面所分隔,因而为鲁西新元古界的地层对比增添了新的材料。
In the Neoproterozoic of south Shandong Tancheng-Lujiang fault zone,a series of seismites are found.The main types of seismitic rocks are micrite vein,syndepositional fold,autoclastic breccia,tsunamite,etc,which are all quake-begotten seismic-tsunami sequence.The seismites are of two-layer structure,that is,the in-situ seismodisturbed beds and the heterochthonous slumping seismitic beds.The two layers are comparted by the seismodisconformity surface.This discovery results provide the new materials for the study of the stratigraphic correlation of Neoproterozoic in west Shandong.
In the Neoproterozoic of south Shandong Tancheng-Lujiang fault zone,a series of seismites are found.The main types of seismitic rocks are micrite vein,syndepositional fold,autoclastic breccia,tsunamite,etc,which are all quake-begotten seismic-tsunami sequence.The seismites are of two-layer structure,that is,the in-situ seismodisturbed beds and the heterochthonous slumping seismitic beds.The two layers are comparted by the seismodisconformity surface.This discovery results provide the new materials for the study of the stratigraphic correlation of Neoproterozoic in west Shandong.
引文
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[14]段吉业,刘鹏举,万传彪.华北燕山中—新元古代震积岩系列及其地震节律[J].地质学报,2002(4):441-445.
[15]乔秀夫,李海兵,高林志.华北地台震旦纪—早古生代地震节律[J].地学前缘,1997,4(3):155-160.
[16]赵澄林,李儒峰,周劲松.华北中新元古界油气地质与沉积学(第一版)[M].北京:地质出版社,1997,1:1-242.
[2]乔秀夫,高林志,彭阳.古郯庐带新元古界:灾变、层序、生物[M].北京:地质出版社,2001:20-82.
[3]潘国强,刘家润,孔庆友,等.徐宿地区震旦纪地质事件及其成因讨论[J].高校地质学报,2000,6(4):566-575.
[4]彭阳,杨天南,乔秀夫,等.大连上震旦统灾变事件研究[J].地质学报,2001(2):221-227.
[5]贾志海,洪天求,郑文武,等.皖北新元古代望山组震积岩的基本特征及其形成环境分析[J].地层学杂志,2003(2):146-168.
[6]张宪依,王炳山,李元仲,等.鲁西枣庄—临沂地区新元古界震积岩的主要特征[J].地质科学,2006(3):489-498.
[7]乔秀夫,高林志.华北中新元古代及古生代地震灾变事件及与Rodinia的关系[J].科学通报,1999,44(16):1753-1758.
[8]Airchild I J,Einsele G,Song Tianrui.possible seismic ori-gin of molar tooth structures in Neoproterozoic carbonateramp deposits,North China[J].Sedimentology,1997,44:611-636.
[9]Eilacher A.Events and their signatureson overview[M]//Einsele G,Ricken W,Seilacher A.Cycles and Eventsin Stratigraphy.Berlin:Springer,1991:220-226.
[10]杜远生,张传恒,韩欣,等.滇中中元古代昆阳群的地震事件沉积及其地质意义[J].中国科学(D),2001(4):283-289.
[11]宋天锐.北京十三陵前寒武纪碳酸盐岩地层中的一套可能的地震—海啸序列[J].科学通报,1988,33(8):609-611.
[12]Palletta C,Vai G B.Upper Devonian intraclast para-breccias interpreted as seismites[J].Mar Geol,1984(55):133-144.
[13]孙晓猛,梁定益,聂泽同.大陆边缘震积岩序列:以金沙江中段震积岩为例[J].现代地质,1995(3):78-84.
[14]段吉业,刘鹏举,万传彪.华北燕山中—新元古代震积岩系列及其地震节律[J].地质学报,2002(4):441-445.
[15]乔秀夫,李海兵,高林志.华北地台震旦纪—早古生代地震节律[J].地学前缘,1997,4(3):155-160.
[16]赵澄林,李儒峰,周劲松.华北中新元古界油气地质与沉积学(第一版)[M].北京:地质出版社,1997,1:1-242.
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