大庆石油地质与开发

2015, v.34;No.172(06) 127-130

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松辽盆地莫霍面地震识别技术
SEISMIC RECOGNIZING TECHNIQUE OF THE MOHO IN SONGLIAO BASIN

刘磊,王彦春,陈玉霜
LIU Lei,WANG Yanchun,CHEN Yushang

摘要(Abstract):

利用叠前深度偏移地震剖面对松辽盆地的深层结构特征进行解释和综合地质分析。在论述地壳内部莫霍面、拆离带、地幔柱的形态特征及结构特征的同时,探讨了深部地质因素对上地壳沉积、构造特征的控制作用,同时探讨了莫霍面的深度分布特征与中生代构造特征的相互关系。在没有相关露头信息及岩心资料的情况下,对元古代、古生代相关地层的残留结构模型进行了探索性解释,对地壳结构研究具有一定的指导意义。
By means of the pre-stack depth migration seismic profiles,the interpretation and comprehensive geological analysis on the deep structural features of Songliao Basin are conducted.At the same time of discussing the morphological and structural characteristics of the Moho,detachment belts and mantle plumes in the crust,the controls of the deep geological factors on the upper crustal sedimentation and structure features are explored,so are the mutual relationships between the Moho depth distribution and Mesozoic tectonic characteristics.Under the conditions without the corresponding of outcrop and core data,the exploratory interpretation is caught out for the residual structure model of the related Proterozoic,Paleozoic strata.These achievements possess a certain guiding significances for the research on the crustal structures.

关键词(KeyWords): 地震;莫霍面;拆离带;地幔柱;构造特征
seismic;Moho;detachment belt;mantle plume;structural/tectonic characteristic

Abstract:

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基金项目(Foundation): 国家高技术研究发展计划“863”项目(2013AA064201)

作者(Author): 刘磊,王彦春,陈玉霜
LIU Lei,WANG Yanchun,CHEN Yushang

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