高龙金矿区高分辨率遥感线性构造定量分析
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摘要
采用Quick Brid-2高分辨率卫星遥感数据,通过分形几何学的盒计维数法,定量研究广西高龙金矿区遥感线性构造。结果显示,在2.000～0.125km标度范围内高龙金矿区的分维值D=1.660,回归直线的相关系数R=0.999,鸡公岩、金龙山和龙爱矿段均落在分维高值区。在子区分维的5次和6次趋势图上,分维的高值带与该矿区南部深大断裂相吻合。可以尝试将高分辨率遥感线性构造作为成矿区预测和深部构造解译的重要参数。
Apllied the data of QuickBird-2——the highest resolution remote sensing(HRRS),and based on the theory and methodology of fractal geometry,we have quantitatively studied remote sensing lineations in Gaolong gold deposit of Guangxi.The results indicate that the fractal dimension (FD) for the remote sensing lineations on the 2.000～0.125km range of scale is 1.660,and the correlation coefficient of the regression line (R) is 0.999 in Gaolong gold deposit,the ore blockes of Jigongyan、Jinlongshan and Longai are all in the area of high FD. The high FD zones match the deep fault in south area on the five and six step tendency maps of the FD. It is therefore considered that the FD for the HRRS lineations can be used as an important element for deposit targeting and deep structure interpretation.
Apllied the data of QuickBird-2——the highest resolution remote sensing(HRRS),and based on the theory and methodology of fractal geometry,we have quantitatively studied remote sensing lineations in Gaolong gold deposit of Guangxi.The results indicate that the fractal dimension (FD) for the remote sensing lineations on the 2.000～0.125km range of scale is 1.660,and the correlation coefficient of the regression line (R) is 0.999 in Gaolong gold deposit,the ore blockes of Jigongyan、Jinlongshan and Longai are all in the area of high FD. The high FD zones match the deep fault in south area on the five and six step tendency maps of the FD. It is therefore considered that the FD for the HRRS lineations can be used as an important element for deposit targeting and deep structure interpretation.
引文
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[2]MandelbrotBB.Fractal:FormsChance,andDimension[M].NewYork:WHFreeman,1977.
[3]韩喜彬.云开隆起西、北缘断裂构造与金矿关系分形研究[D].[硕士论文].桂林:桂林工学院,2003.
[4]冯佐海,梁金城,康志强,等.广西平桂地区构造线定量分析[J].广西科学,2002,9(2):115118.
[5]孔凡臣,丁国瑜,等.线性构造分维值的含义[J].地震,1991,5:3337.
[6]HirataT.FractaldimensionoffaultsystemsinJapan:Fractal structureinrockfracturegeometryatvariousscales[J].Pure andApplGeophys,1989,131:157170.
[7]夏玉成,樊怀仁,胡明星,等.霍州矿区断层构造的分形特征[J].西安矿业学院学报,1997,17(1):2224,43.
[8]金章东,卢新卫,张传林.江西德兴斑岩铜矿田断裂分形研究[J].地质评论,1998,44(11):5761.
[9]郭纯青,李文兴,王刚,等.岩溶含水介质与地下水系统理论研究[M].桂林:广西师范大学出版社,1996.5760.
[10]曾联波,金之均,李京昌,等.柴达木盆地北缘断裂构造分形特征与油气分布关系研究[J].地质科学,2001,66(2):241247.
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