基于RS与分形的下庄矿田线性构造空间特征分析
摘要
本文基于分形理论和RS技术,对遥感影像上所提取出来的线性构造信息进行定量分析、空间展布特征与铀矿富集关系的研究,并且简要阐述线性构造遥感影像机理和断裂构造信息的解译与提取。通过研究表明,下庄矿田断裂构造在0.3125—5km尺度范围内具有自相似性和分形特征,相关系数均超过0.98,并且在该尺度范围内断裂构造空间展布出现两个分形关系,在0.3125—1km尺度范围内分数维D1=1.0693,在1.25—4km尺度范围内D2=1.7469。这进一步表明该区断裂构造具有多重分形分布特征。其断裂构造展布在0.3125—1km小尺度范围内较小的分维值D1表明该区还有进一步勘探前景。
Linear Structure information extracted from TM image were studied by quantitative analysis of the relation of their spetial distribution features and uranium mine concentration based on fractal theory and RS in the paper.It explained the mechanism of linear structure on TM Image and interpreted fault structures in brief.The results show that the fault structures in Xiazhuang Ore Field have self-similarity statistically and their distributional regularity is within scale range of 0.3125—5km and all correction coefficients exceed 0.98.It can be regarded as two fractal relation and the fractal dimension within scale range of 0.3125—1km is D1=1.0693,within scale range 1.25—1km is D2=1.7469.Farther,It shows that fault structures have multi-fractal character in the Xiazhuang Orefield.It indicates that the region has farther perspective to explore where the structures within 0.3125—1km with minor value of fractal dimension.
Linear Structure information extracted from TM image were studied by quantitative analysis of the relation of their spetial distribution features and uranium mine concentration based on fractal theory and RS in the paper.It explained the mechanism of linear structure on TM Image and interpreted fault structures in brief.The results show that the fault structures in Xiazhuang Ore Field have self-similarity statistically and their distributional regularity is within scale range of 0.3125—5km and all correction coefficients exceed 0.98.It can be regarded as two fractal relation and the fractal dimension within scale range of 0.3125—1km is D1=1.0693,within scale range 1.25—1km is D2=1.7469.Farther,It shows that fault structures have multi-fractal character in the Xiazhuang Orefield.It indicates that the region has farther perspective to explore where the structures within 0.3125—1km with minor value of fractal dimension.
引文
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[3]Wang HN,Zhang S Y,Yu S J,et al.Geology of Ductile-ShearZone Type Gold Deposits in the Cathaysia Block[M].Beijing:Science Press,1992.[王鹤年,张守韵,俞受鋆等.华夏地块韧性剪切带型金矿地质[M].北京:科学出版社,1992.]
[4]Du G Y,Wang Z H,Li X Y.Analysis System and Mark forTectonic Geomorphology[J].Yantai Normal University Journal(Natural Science),2002,18(2):106—110.[杜国云,王竹华,李晓燕.构造地貌分析体系及相关的构造地貌标志[J].烟台师范学院学报(自然科学版),2002,18(2):106—110.]
[5]Xie G L.China Active Rift Sensor Information Analysis[M].Beijing:Earthquake Publishing House,2000.[谢广林.中国活动断裂遥感信息分析[M].北京:地震出版社,2000.]
[6]Zhu L P.Robot Geology[M].Beijing:Geological PublishingHouse,1999.[朱亮璞.遥感地质学[M].北京:地质出版社,1999.]
[7]Huang Y.Template Construction and Processing Method forExtract Multi-direction Lineaments[J].Journal of HefeiUniversity of Technology(Natural Science),1998,21(2):144—146.[黄毅.多方向性特征提取的模板构造及处理方法[J].合肥工业大学学报(自然科学版),1998,21(2):144—146.]
[8]Rafael C Gonzalez,Richard E Woods.著.阮秋琦,阮宇智等译.数字图像处理(第二版)[M].北京:电子工业出版社,2003.
[9]Mandelbrot B B.The Fractal Geometry to Nature[M].NewYork:W HFreeman and Company,1983.
[10]Okubo P G,Akik.Fractal Geometry in the San Andreas FaultSystem[J].JGR,1987,92(4):345—355.
[11]Zeng W Q,Liu S Y Version.Fractal Geometry and ItsApplications[M].Shenyang:Notheastern University’sPublishing House,1991.[曾文曲,刘世耀译.分形几何数学基础及其应用[M].沈阳:东北大学出版社,1991.]
[12]Zhu X H,Zha Y.Application of Mapinfo and Arcview GIS inCalculating Fractal Dimensions of Lines[J].Journal ofGeomatics,2002,27(5):4—5.[朱晓华,查勇.MapInfo与ArcView GIS软件在线体分形分析中的应用[J].测绘信息与工程,2002,27(5):4—5.]
[13]Sigit Sukmono,Zen MT,Kadir W G A,et al.Fractal Geometryof the Sumatra Active fault System and Its GeodynamicalImplications[J].Geodynamics,1996,22(1):1—9.
[14]Xu Z B,Wang J Y,Zhang D S,et al.Fractal DimensionDescription of Complexity of Fault Network in Coal Mines[J].Journal ofChina Coal Society,1996,21(4):358—363.[徐志斌,王继尧,张大顺等.煤矿断层网络复杂程度的分维描述[J].煤炭学报,1996,21(4):358—363.]
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