黄宇,杨荣森,韩晓东,范建伟,倪春中

• 1:昆明理工大学国土资源工程学院

摘要(Abstract)：

运用地质统计学中的定向半变异函数，研究了个旧高松矿田莲花山断裂和五指山背斜裂隙网络的空间变异性。首先基于ArcGIS将野外露头裂隙网络进行数字化处理并提取裂隙密度和强度，然后依托GSLIB对裂隙密度和强度图沿着0～175°方位角计算，创建了36个实验性半变异函数并进行克里金插值，最后创建归一化的半变异函数图，量化各个断裂强度和断裂密度的二维空间变异性。研究表明，越是靠近断层裂隙密度和强度的空间变化幅度越大，并且其空间变异性存在显著的各向异性。空间变异性最小的方向平行断层且靠近断层，最大方向垂直断层且靠近断层，在褶皱近端空间变异性最小的方向平行于褶皱轴面方向，最大的方向则垂直于褶皱轴面方向。裂隙网络空间变异性质反映了断层和褶皱对裂隙网络发育的不同影响，为构建矿田三维裂隙网络空间分布模型提供参考。

关键词(KeyWords)： 地质统计学;裂隙网络;空间变异性;高松矿田;克里金插值

Abstract:

Keywords:

基金项目(Foundation): 国家自然科学基金项目(41562017;40902058)

作者(Author): 黄宇,杨荣森,韩晓东,范建伟,倪春中

DOI: 10.19509/j.cnki.dzkq.2022.0248

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