黔南法门期浊积岩系层厚统计模型的分形结构  

Fractality of bed thickness patterns in a distal turbidite sequence section

作　　者：杨明慧[1] 牛雅莉[2] 

机构地区：[1]西北大学地质学系,陕西西安710069 [2]郑州煤田地质学院计算机科学系,河南郑州450053

出　　处：《西北大学学报（自然科学版）》2000年第4期332-335,共4页Journal of Northwest University（Natural Science Edition）

摘　　要：通过野外剖面实测和室内统计分析 ,研究了黔南泥盆纪法门期的深水钙屑浊积岩系的单层层厚模型的分形结构 ,并初步计算了分维值。结果表明 ,该浊积岩系的层厚分布在一定的标度范围内(即层厚 1 0～ 70 cm)具有分形结构 ,分维数 D=1 .60 8,相关系数 r=0 .90There have been disputes that a distal turbidite sequence is or not with fractality. Based on the statistical analysis of bed thickness patterns, the presence of fractality is explored in the distal turbidite sequence. As a case study, 134.21m of the Famennian strata were measured and described in detail in the Southern Guizhou, China, and found that the thickness distributes of distal turbidite sequence possess statistical self similar characteristics in the scale extent studied ( t =10～70 cm ), and the D value (fractal dimension ) is 1.608,with the value of the correlation coefficient (r) of 0.909 8. However, the non turbidity beds must been eliminated in the statistical analysis for the data processes.

关 键 词：分形结构 层厚统计 浊积岩系 法门期 泥盆纪 

分 类 号：P534.44[天文地球—古生物学与地层学]