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COURSEEXAMINATIONPAPEROFRESOURCEGEOLOGY(Withanswers).TOEXPLANATETHEFOLLOWINGTERMS(Tenterms2markspertermtotal20marks)1.Ore:therockmaterialormineralswhichareminedforaprofitGangueMinerals:themineralshavingnocommercialvaluetheyjusthappentobemixedupwiththeoremineralsNon-ferrousmetal(Basemetal):CopperleadZincNickelTungstenTinMolybdenumBismuthStibiumMercuryPreciousmetal:GoldSilverPlatinumPalladiumOsmiumIridiumRutheniumRhodiumSulfophilicelements:SSeTeAsSbCuPbZnAgHgCdBiHostRock:therocklithology(type)whichcontainstheore.Mayormaynotcompriseore.connatewater:WatertrappedinsedimentsatthetimetheyweredepositedisknownasconnatewaterCountryRocks:therocksofnocommercialvaluesurroundingthehostrocksandortheore.Alterartion:Anychangeinthemineralogicalcompositionofarockbroughtaboutbyphysicalorchemicalmeansespeciallybyinteractionwithhotorcoldaqueoussolutionsorgases.Porphyrycopperdeposit:akindofhugelow-gradehydrothermaldepositswhichisspatiallytemporallyandgeneticallyassociatedwithhydrothermalalterationofthehostrockintrusionsandwallrocks.SELECTTHECORRECTTERMSFROMTHEGIVENANSWERS(Tenquestions3marksperquestiontotal30marks)1.WhatisanyvolumeofrockcontaininganenrichmentofoneormoremineralscalledA.MineraldepositsB.MineraldumpsC.MineralizationD.Mineralmines2.Withinthe5waysmineralsbecomeconcentratedwhichofthefollowingoccurbyweatheringprocessesA.MagmaticMineralDepositsB.SedimentaryMineralDepositsC.ResidualMineralDepositsD.HydrothermalMineralDepositsE.Placers3.Manykindsofmineraldepositsoccuringroupscalled_A.magmaticmineraldepositsB.residualmineraldepositsC.placersD.hydrothermalmineraldepositsE.metallogenicprovinces4.TorFManykindsofmineraldepositstendtooccuringroupsandmetallogenicprovincesA.TrueB.False5.TrueorFalseThedistributionofmanykindsofmineraldepositsiscontrolledbyplatetectonics.A.TrueB.False6.WhatareremainsofplantsandanimalstrappedinsedimentthatmaybeusedforfuelA.GangueB.ResidualMineralDepositC.MineralDepositD.FossilFuelE.Placer7.CopperGoldleadgalenasphalerite.WhatisthegeologicconcentrationprocessoftheserawmaterialsA.soilleachingB.placersortingC.hydrothermalprecipitaionD.igneouscoolingE.evaporation8.Whatisanexampleofanon-metallicresources.A.AluminumB.ClayC.LeadD.Steel9.Whichofthefollowingisaenergyresourcethatisanon-renewableA.SolarenergyB.WindenergyC.NuclearenergyD.OceanthermalenergyE.Noneoftheabove10.WhichofthefollowingmaterialsisnotproducedbyhydrothermalprecipitationA.CopperB.GalenaC.sphaleriteD.talcE.lead.BRIEFLYANSWERFOLLOWINGTHEQUESTIONS.(3questions10marksperquestiontotal30marks)(answeringquestionsinChineseisallowed)1.oncentrationprocessesthatleadtotheationoforedepositsarethereinourstudyByselectivelyremovingalargefractionofcomponentsfromapproximatelyaveragerocksandtherebyconcentratingoneormoreelementsintheresiduumBydirectconcentratingoneormorepreviouslydispersedelementsorcompoundthroughextractingthemfromcountryrocks;Mostoredepositshavebeenedbyprocessesthathavebroughttogatherpreviouslydispersedelementsorcompounds.Theseprocesseshavealmostinvariablyinvolvedoneormorefluidphasesandhavedrivenbyphysicalchemicalandbiologicalmechanisms2.Whatrolesdidtheore-bearingfluidsplayinationoforedepositsdissolvingandextractingmetalsfromcountryrocks;migratingore-ingcompositionsthroughthewall-rockmakeoreprecipitate3.Whatareskarndepositationconditions.Magmasignificant:Theore-beringfluidsfromtheintrusivebodiesareimportantconditionconcerningtheprocessofingskarndeposits.Countryrocks:Thefavoritecountryrocksmainlyaresedimentarycarbonateswhichareofhighactivityandbrittleeasilybeingbrokenintothepermeablecataclasticrocks.Structuralcontrolsontheskarndeposits:Aureolestructures;cracksandbrecciaintheinterbeddedfractrualzoneFeldstructuresXenolithstructures.EXPLANATIONTHEMODELFIGURESWITHGEOLOGICALCHARATERSOFOREDEPOSITS(Choicingtoanswer2questionsfrom3questions10marksperquestiontotal20marks)(answeringquestionsinChineseisallowed)1.Todescribethemaincharatersoftheshownoredepositbyunscramblingthefollowingfigures.4a2a2b4b3b1b1a3a4a地表成矿近似深度(km)21Referentanswerpoints:1.oredeposittype2.geologicalconditionscontrollingontheationoforedepositshowninfigure3.basicgeologicalcharactersoforedeposit2.Explanationtheationconditionsandprocessesofepithermoloredepositbyreadingthefollowingmodelfigure.ReferentAnswer:3.Tofindthepossibletypesoforedepositsandbrieflygivetheirpropertiesfromfollowingmodelfigure.LowsulfidedepositsLowsulfidedepositshighsulfidedepositsDDeeppoossiittFFoorrmmOOppeenn-ssppaacceevveeiinnssddoommiinnaannttssttoocckkwwoorrkkoorreeccoommmmoonnDDiisssseemmiinnaatteeddaannddrreeppllaacceemmeennttoorreemmiinnoorrTTeexxttuurreessVVeeiinnssccaavviittyyffiilllliinngg(bbaannddssccoollllooffoorrmmssddrruusseess)bbrreecccciiaassOOrreeMMiinneerraallssPPyyrriitteeeelleeccttrruummggoollddsspphhaalleerriitteeggaalleennaa(aassrreennooppyyrriittee)GGaanngguueeQQuuaarrttzzcchhaallcceeddoonnyyccaallcciitteeaadduullaarriiaaiilllliitteeccaarrbboonnaatteessMMeettaallssAAuuAAggZZnnPPbb(CCuuSSbbAAssDDiisssseemmiinnaatteeddoorreeddoommiinnaannttrreeppllaacceemmeen
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