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1、矿床学试题（Oredepositexaminationquestions）Aglossary(atotalof10points,2pointsforeachitem)1,theoregrade,theusefulcomponentsoforecontent.2,wallrockalteration,referstothesurroundingrockintheorehydrothermalmetasomatismoccurredundertheactionofaseriesofoldmineralwasreplacedbyamorestablemineralofth
2、enew.Ahomogeneousmagmabody3,magmaticliquationthatunderhightemperature,whenthetemperatureandpressuredrop,separatedintomelttwoormorethantwokindsofimmiscibilityofaction.4,intotheoriginalrockformedbymetamorphism,depositreferstothedepositortheoriginaldepositformedbymetamorphismwithanotherte
3、chnologycharacteristicofdeposit.5,sourceofore-formingmineralsinsedimentaryrockthathasbeenpreliminaryenrichmentandcanbeactivatedinepigeneticstagemigrationoutofrock.Two,fillintheblanks(atotalof25points,each0.5points)1.depositbytheorebodyandsurroundingrock,orefromoreandgangue,orefromorean
4、dgangueminerals.2.magmaticdepositsknotlatemagmaticdepositsreferstomagmaticcondensatecrystalline,usefulminerals(ormineral)latercrystallizedfrommagmaenrichmentandtheformationofthedeposit,themainminerallatemagmaticdepositsisvanadium,titanium,ironore,itstypicalstructureissideronitictexture
5、;themainmineralearlymagmaticdepositsisatypicalstructureofchromiumoreiseuhedralcrystalstructure.3.inthepegmatitedeposit,bandedstructureisthemostimportantandcommon.Thedevelopmentofbandedstructureintact,pegmatiterockfromtheedgetothecenter,canbedividedintothemarginalzoneandouterzone,middle
6、zone,withseveralkernel.Pegmatitedepositisanimportantsourceofsomeraremetalsandrareearthelements;importantmineralareassuchasXinjiangAltaipegmatitedeposit.The4.maincomponentsofgaswaterhydrothermalwater,itsmainsourceofmagmaticwater,metamorphicwaterandgroundwater.Thefivestage5.skarndepositf
7、ormationoftwophases,namelyskarnperiodincluding____early(dry)skarn___,__late(wet)_____skarnstageand_oxide___stage,includingtheearlyperiod_(ironsulfidecoppersulfide)and________latestage___sulfide(PbZn).The6.porphyrycopperdepositalterationzoneiswelldeveloped,fromtheinsidetotheoutsideisd
