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Volume 19 Issue 1
Feb.  2008
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Fractal Modeling of Sphalerite Banding in Jinding Pb-Zn Deposit, Yunnan, Southwestern China

  • Received Date: 2018-07-15
  • SphaleritebandingisacommontextureinJinding(金顶)Pb-Zndeposit,Yunnan(云南),southwesternChina.Thefrequencydistributionandirregularityofsphaleritegrainsobservedinthebandingsarecharacterizedquantitativelybyfractalmodels.Fractaldimensionscalculatedbyseveralfractalmodelsincludingbox-countingmodel,perimeter-area(P-A)model,andnumber-area(N-A)modelshowthegradualchangefromouterbandingtoinnerbanding,indicatingadecreaseinareapercentage,inirregularity,inshapeandingrainsize,andanincreaseinthenumbersofgrains.Theseresultsmayimplyaninwardgrowthofsphaleriteduringmineralization,andself-organizationpropertiesareinvolvedinthenonlinearprocessofmineralization.
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通讯作者: 陈斌, bchen63@163.com
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    沈阳化工大学材料科学与工程学院 沈阳 110142

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Fractal Modeling of Sphalerite Banding in Jinding Pb-Zn Deposit, Yunnan, Southwestern China

  • 1. Department of Earth and Space Science and Engin

Abstract: SphaleritebandingisacommontextureinJinding(金顶)Pb-Zndeposit,Yunnan(云南),southwesternChina.Thefrequencydistributionandirregularityofsphaleritegrainsobservedinthebandingsarecharacterizedquantitativelybyfractalmodels.Fractaldimensionscalculatedbyseveralfractalmodelsincludingbox-countingmodel,perimeter-area(P-A)model,andnumber-area(N-A)modelshowthegradualchangefromouterbandingtoinnerbanding,indicatingadecreaseinareapercentage,inirregularity,inshapeandingrainsize,andanincreaseinthenumbersofgrains.Theseresultsmayimplyaninwardgrowthofsphaleriteduringmineralization,andself-organizationpropertiesareinvolvedinthenonlinearprocessofmineralization.

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