欢迎您！东篱公司
退出
-
申报数据库
-
立项数据库
-
成果数据库
-
项目获奖数据库
中文摘要：
遵义断裂带是贵州省境内南北向最大的断层之一,对断裂带的宏观构造、微观构造及两侧沉积相研究表明,该断裂是形成于燕山期的盖层断裂,并非同沉积断裂。其活动演化与周缘构造单元之间存在明显的耦合性,控制着断裂两侧燕山期褶皱、断裂的展布形迹。结合流体包裹体测温和ESR定年的研究表明,断裂的变形以浅部的脆性为主,主要经历了三期活动：主燕山期（J3-K1）的主期变形,表现为强烈的高角度自东向西逆冲兼左行剪切,断裂基本定型;燕山晚期（K2-E）,表现为正断层兼右行平移,控制K2-E红盆沉积,石英脉ESR定年约束该期活动在59～65Ma;喜山期（古近纪至今）,表现为自西向东逆冲。断裂现今构造形迹为多期构造叠加的结果,它在整个活动历史中均表现为脆性,对黔中隆起后期构造格局起到明显的制约作用。
英文摘要：
Zunyi fracture zone is one of the biggest south-north faults in Guizhou Province.The study of macroscopic structure,microscopic structure and the sedimentary facies of both sides shows that this fault formed in the caprock fault of Yanshanian period,not syndepositional fault.There is obvious coupling between the activity evolution and the peripheral structural unit,controls the spreading features of the Yanshanian fold and fault of both sides.Combine with study of fluid inclusion method and ESR dating,the deformation of the fault is mainly brittle of the shallow zone,experienced 3 active periods：the main Yanshan stage（J3-K1）, expressed strong east to west thrust of high angle and left - lateral shear,the style was formed;the later Yanshan stage（K2-E）,expressed normal fault and right - lateral strike slip,controlled the K2-E red basin deposit, the ESR dating showed the active time is 59-65Ma;Xishan stage（Paleogene Period-）,expressed west to east thrust,the structural feature of the fault is the result of times structure stack,it expressed brittle in the whole history and be obvious restrictive of structural pattern in the later Central Guizhou uplift.
同期刊论文项目
同项目期刊论文
期刊信息
位置：