大佛岩缓倾斜薄矿脉原生铝土矿地下开采综合技术-.研究

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2、Ihemainrawmaterialforaluminumproduction，wlththeincreasmgdemandforaluminumresoufces，with￡hejncreasi“gdomes“cconsumPt；onofbauxitereservessurge，accumulatlon-typebauxiteforOpen·pitminingdec¨neddaybyda弘soitisu曙enttotakeresearchonund。唱roundminj“gofprimarysedimentarybaux

3、ileTheBuddhaRockminl“gareaisthemainresourc。gatherjngplaceofTheChalcoChongqjngBranch，most】ycontainssJowIyincIlnedthinorebodyofprimarysediment8rybauxiteinthisarea，whIchisdjmcLII【mlnlngdepositsnowmtheworIdAtpresent，theexpIoitationanduti】izationofdomesticprimarysedime

4、nIarybauxjteisstillunderresearchst89e，fherearenotma“ysImjlarunde唱mundmineswhjchcanbe】eamedtormInIegrityandcontlnuityofthisIypeoredepositi8pooLtherockstabj

5、jtyofdirectmofandnOorisnotstro“g；orebodyisthjn；deposItmorecompIexhydrogeoIogicalconditions，fcsultinginaseriou

6、swasteofbauxiteresoufcesAgainst廿RdimcumesencounteredinmeexplonatlonofTheBuddhaIbckminmgarea’thispaperw川studythreeimponantaspectsFirst，researchandanalyslstheoccurrencesandcharacteristicsofm；ni“gdeposits，usingDIMINEdigita】mlningsoRwaretoestabIishgeologlcaldrIlli”gda

7、tabase、three—dlmenslonalsurfacemodeI、three-dlmensIonalorebodymodel、fhree-djmensionaIdevelOpmentsystemmodelandrockmodelofmm¨19areaAccuratelyrenecttheoutputoforemthestatespace，continuityandchangeteatures，achjevestherea】senseofspatialv；sualizationofmineraIdeposjtsand

8、exploitingprojectsSecond，throughanaIyzingtheoccurrenceofprimarysedimentarybauxite，summa—zedthedomesticandforelgnbauxiteunderground硕十学位论文miningexperience，proposednvekindsofeconomicandreasonable、Iechnicallyfeasibleund。曜roundminingmethodsapproprialefortheBuddhaRocksl

9、OwlyincIinedthinorebodyInnovativelybuildaminingmethodselecIionmOdelbasedOnthepositiveandnegativeidea【graycorreIationwei曲tvectoranalysis，then3pplyittothe