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英文地质报告难解词汇Alluvial:冲积theproductofsedimentaryprocessesinrivers,resultinginthedepositionofalluvium(soildepositedbyariver).Auriferous:含金的asubstancethatcontainsgold.Beneficiation:选矿theprocessofaddingvaluetogoldproductsbytransforminggoldbullionintofabricatedgoldproducts.Brownfieldsproject:褐色地带项目（有已知矿产资源具有开发潜力的矿区）apotentialminingsitewithknownmineralresources.Calloption:购买选择权acontractthatpermitstheownertopurchaseanassetataspecifiedpriceonorbeforeaspecifieddate.Capitalexpenditure:支出费用theexpenditureonminingassetstobothmaintainandexpandoperations.Cashcost:直接费用ameasureoftheaveragecostofproducinganounceofgold,calculatedbydividingthetotalcashworkingcostsinaperiodbythetotalgoldproductionoverthesameperiod.Workingcostsrepresenttotaloperatingcostslesscertainadministrativeexpenses,royaltiesanddepreciation.Indeterminingthecashcostofdifferentelementsoftheoperations,productionoverheadsareallocatedprorata.Channelwidth:通道宽度（可开采矿床总厚度，包括夹石，但不包括矿床外废石）thetotalthicknessoftheentirereefunittobemined,includinginternalwaste,butexcludingexternalwaste.Containedounces:载金量（矿石在选矿提炼之前的金含量）goldouncesfromwhichneitherextraction,dilutionnorprocessingrecoverylosseshavebeendeducted.Cut-offgrade:边界品位thecut-offgradeisdeterminedusingthecompany’sOptimizercomputerprogrammedwhichrequiresthefollowingasinput:thedatabaseofmeasuredandindicatedresourceblocks(pershaftsection);anassumedgoldpricewhich,forthisorereservestatement,wastakenasR115000/kg;plannedproductionrates.Depletion:贫化（因为选矿或提炼要求使得矿床中矿石量减少）thedecreaseinquantityoforeinadepositorpropertyresultingfromextractionorproduction.Development:开发Activities(includingshaftsinkingandon-reefandoff-reeftunneling)requiredpreparingforminingandmaintainingaplannedproductionlevelandthosecoststoenabletheconversionofmineralizedmaterialtoreserves.Exploration:勘探activitiesassociatedwithascertainingtheexistence,location,extentorqualityofmineralisedmaterial,includingeconomicandtechnicalevaluationsofmineralisedmaterial.Faulting:断层作用theprocessoffracturingthatproducesadisplacementofrock.Footwall:下盘theunderlyingsideofafault,orebodyorstope.Forwardcontract:期货合同anagreementforthesaleandpurchaseofanassetataspecifiedfuturedateatafixedprice.Forwardcurrencysalecontract:远期外汇买卖合约anagreementforthesaleofaspecificquantityofonecurrencyforanothercurrencyataspecifiedfuturedateatafixedexchangerate.Forwardpurchase:预购anagreementforthepurchaseofacommodityataspecifiedfuturedateatafixedprice.Forwardsale:预售thesaleofacommodityfordeliveryataspecifiedfuturedateandprice.Goldassets:黄金资产theafter-taxnetassetvalueofthecompany’sgoldassetsincludinggoldexplorationpropertiesandhedginggainsorleases.Goldreserves:黄金储备thegoldcontainedwithinprovenandprobablereservesonthebasisofrecoverablematerial(reportedasmilldeliveredtonnesandheadgrade).Grade:品位theaverageamountcontainedinatonneofgold,leavingoreexpressedingramspertonneofore.Greenfield:有资源潜力的地区apotentialminingsiteofunknownquality.Hangingwall:上盘theoverlyingsideofafault,orebodyorstope.Headgrade:冶炼入选品位（选场入选品位为feedgrade）thegradeoftheoreasdeliveredtothemetallurgicalplant.Insitu:原位inplace,i.e.withinunbrokenrockorstillintheground.Life-of-mine:矿山寿命（开采年限）thenumberofyearsthatanoperationisplanningtomineandtreatore,takenfromthecurrentmineplan.IRR:内部收益率internalrateofreturn,theinvestmentappraisalthattakesthetimevalueofmoneyfullyintoaccount.Level:中段theworkingsortunnelsofanundergroundminethatareonthesamehorizontalplane.Marked-to-market:按市场价结算thecurrentfairvalueofaderivativebasedoncurrentmarketpricesortocalculatethecurrentfairvalueofaderivativebasedoncurrentmarketprices,asthecasemaybe.Measures:数量单位conversionfactorsfrommetricunitstoU.S.unitsareprovidedbelow.Metallurgicalplant:冶炼厂aprocessingplantusedtotreatoreandextractthecontainedgold.Metallurgy:冶金inthecontextofmining,thescienceofextractingmetalsfromoresandpreparingthemforsale.Milldeliveredtonnes:选矿吨（矿石运往冶炼厂时矿石数量单位）aquantity,expressedintons,oforedeliveredtothemetallurgicalplant.Milling/mill:选矿thecomminutionoftheore,althoughthetermhascometocoverthebroadrangeofmachineryinsidethetreatmentplantwherethegoldisseparatedfromtheore.MineRecoveryFactor(MRF):矿石回收率theMineRecoveryFactor(MRF)whichisequivalenttotheMineCallFactor(MCF)multipliedbythePlantRecoveryFactor(PRF);andplannedcashoperatingcosts(randpertonne).Randpertonnecashoperatingcostsarehistoricallybasedbuttakecognisanceofdistinctchangesinthecostenvironmentsuchasrestructuring,rightsizing,andothercostreductioninitiatives,andforbelowinfrastructureounces,acapexestimate.Mineable:可采的thatportionofamineraliseddepositforwhichextractionistechnicallyandeconomicallyfeasible.Mineralresource:矿产资源Amineralresourceisaconcentrationoroccurrenceofmaterialofeconomicinterestinorontheearth’scrustinsuchform,qualityandquantitythattherearereasonableandrealisticprospectsforeventualeconomicextraction.Thelocation,quantity,grade,continuityandothergeologicalcharacteristicsofamineralresourceareknown,estimatedfromspecificgeologicalevidenceandknowledge,orinterpretedfromawell-constrainedandportrayedgeologicalmodel.Mineralresourcesaresubdivided,inorderofincreasinggeologicalconfid