绿泥石短波红外光谱特征在地质找矿中的应用

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中图分类号:P618.51 文献标志码:A 文章编号:2095-2945(2026)08-0185-04
Abstract:Inthe2lstcentury,withthegradualdepletionof globalsurfacemineralresources,thecurrentmineral exploration ismovingtowardsthe"deepexploration"and"hiddenorebodydetection",theuseofshort-waveinfraredspectroscopytostudy thespectralcharacterisicsofdiferentdepositsofchloritemineralstoguideTheuseofshort-waveinfraredspectroscopytostudy thespectralcharacteristicsofchloritemineralsindiferentdepositscanguidetheexplorationofdeepandhiddenminerals.This papersystematicallysummarizestheapplicationanddevelopmentofshort-waveinfraredspectroscopyofchloritemineralsin silimanitetypedeposits,porphtypedeposits,shalowforinglow-temperaturehydrotheraldeposis,volanogenicmasive sulfide(VMS)deposits,andorogenicgolddepositsbyreviewingtherelevant literatureof thepredecesors.Basedonthe characteristicparametersofchloriteshort-waveinfraredspectra,thehydrothermalcentersofmineralizationandmineralzation potentialzonescanbequicklydefined.Theabsorptiondepthdataofchloritecharacteriticabsorptionpeaksareobtainedby usingTSGsoftware.Themethodissimpleandeasytouse,withsimpleworkandshortanalysistime,whichcanrealizethe relationshipbetweenalterationmineralsandmineralizationinthefieldquickly,andgreatlyshortentheworkcycleandimprove theeffciencyoforesearchingcomparedwiththetraditionalmethod.Itsolvestheproblemsoftraditionalgeologicalmineral searchingmethods,suchasalterationmineralsarenoteasytodistinguishandidentifybynakedeyes,andlaboratorytestsare costly,time-consuming and inefficient.
Keywords:chlorite; spectral characteristics;short-wave infraredspectroscopy;geological prospecting;oredeposit
近些年来,在斑岩型、矽卡岩型、浅成低温热液及火山岩型块状硫化物(VHMS)型等热液成因矿床的矿产勘探中,应用短波红外和热红外光谱技术快速鉴定热液矿床蚀变矿物,完成精细蚀变矿物填图,厘定蚀变矿物组合及与矿化时空分布规律,根据蚀变矿物光谱特征及变化规律快速锁定成矿潜力区[1-5]。(剩余5649字)