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1、礦物巖石地球化學(xué)通報·專題研究·BulletinofMineralogy，PetrologyandGeochemistryVo1．31No．1，Jan．2012黑龍江金廠金礦床18號礦體圍巖蝕變及短波紅外光譜特征孫雨沁”，許虹。一，李勝榮。，張巖1．山東省地質(zhì)科學(xué)實驗研究院，濟(jì)南250013；2．山東省金屬礦產(chǎn)成礦地質(zhì)過程與資源利用重點實驗室，濟(jì)南250013；3．中國地質(zhì)大學(xué)地球科學(xué)與資源學(xué)院，北京100083；4．中國地質(zhì)大學(xué)地質(zhì)過程與礦產(chǎn)資源國家重點實驗室，北京100083摘要：金廠金礦1
2、8號礦體圍巖蝕變發(fā)育順序從早到晚為：鉀化、硅化、綠泥石化、絹云母化、碳酸鹽化、高嶺土化，從內(nèi)往外依次發(fā)育青磐巖化帶、絹英巖化帶和鉀化帶。礦化出現(xiàn)在泥化和絹英巖化疊加處，以及泥化和青磐巖化疊加處。通過短波紅外光譜測試技術(shù)，識別出本礦區(qū)有26種蝕變礦物，其中自云母含量與金礦體呈正相關(guān)，說明絹云母化與金礦化關(guān)系密切；青磐巖化帶蝕變礦物組合為綠泥石+綠簾石+伊利石士埃洛石士蒙脫石士石英；鉀化帶蝕變礦物組合為鉀長石+高嶺石+埃洛石士蒙脫石±石英；絹英巖化帶蝕變礦物組合為絹云母+埃洛石士蒙脫石土高嶺石±石英
3、。關(guān)鍵詞：金廠金礦；圍巖蝕變；PIMA；蝕變礦物中圖分類號：P584文獻(xiàn)標(biāo)識碼：A文章編號：1007—2802(2012)01—0014—09CharacteristicsOfWall-RockAIterationandtheShortwaveInfraredSpectraforMineralsinthe18thOrebody，JinchangGoldDeposit，HeilongjiangProvinceSUNYu—qin’”，XUHong。”，LISheng—rong?！?，ZHANGYan'
4、。1．ShandongInstituteandLaboratoryofGeologicalSciences，Jinan250013，China；2．ShandongKeyLaboratoryofGeologicalProcessesandResourceUtilizationinMetallicMinerals，Jinan250013，China；3．SchooloftheEarthSciencesandResources，ChinaUniversityofGeosciences，Beijing
5、100083，China；4．StateKeyLaboratoryofGeologicalProcessesandMineralResources，ChinaUniversityofGeosciences，Beijing100083，ChinaAbstract：Thewall—rockalterationsequenceofthe18thorebodyintheJinchanggolddepositisfeldspathization，si—licifieation，chloritization
6、，sericitization，calcitizationandkaolinite，includingpropylitie，phyllieandpotassicaltera—tionzonesfromcentraltooutwordpartsofthecomplex．Thegoldmineralizationoccursmainlyintheoverlappedpartsofargillizationandphyllicalterationzonesandofargillizationandpr
7、opyliticalterationzones．26speciesofhy—drothermalalterationmineralswereidentifiedbytheshort—waveinfraredspectroscopetechnique．Thepositivecor—relationofmuscoviteandAucontentsinthesemineralssuggestedthatthegoldmineralizationiscloselyrelatedwiththeserici
8、tization．Themineralsassociatedwiththepropyliticalterationzonearechlorite+epidote+illite±hal—loysite土montmorillonite士quartz。themineralsinthepotassicalterationzoneareK—feldspar+kaolinite+hal—loysite±m(xù)ontmorillonite±quartzandthemineralsinthephyllicalter
