【摘要】 连云港-临沂-泗水测深剖面横穿中国东部郯庐古裂谷带中段。1983年作者曾采用一维垂向非均匀的地壳速度模型解释,并结合重磁等地质地球物理资料进行了综合分析[1]。本文是在上述工作的基础上进一步运用动力学射线追踪方法,并选用二维非均匀介质的地壳速度模型,研究郯庐古裂谷中段地完结构特征的初步成果。在阐述郯庐古裂谷的地壳深部结构构造及其演化过程的同时,做了古裂谷中段范围内的矿产远景预测．更多还原

【Abstract】 AbstractThe Lianyungang-Linyi-Sishui sounding profile runs across the middie partof the Tanlu paleorift belt in eastern China. In 1983, the authors made interpre-tation using one-dimensional vertical non-uniform crustal velocity model, and.in combination of such geologic-ge sical data as gravity and magnetism,performed comprehensive analysis. On the bssis of this work, dynamic beamtracing techique and crustal velocity model for two-dimensional non-uniformmedia were employed to further investigate characteristics of crustal texture inthe middle part of the Tanlu paleorift, with the preliminary achievements illus-trated in this paper. ln dealing with the deep-seated crustal texture and struc-ture as well as their evolution along the Tanlu paleorift, the authors have alsomade a prediction for ore potential in the middle part of this paleorift.更多还原