深穿透地球化學勘查技術在金礦勘查中的應用研究.pdf

1、蘭州大學碩士學位論文深穿透地球化學勘查技術在金礦勘查中的應用研究姓名：殷勇申請學位級別：碩士專業(yè)：地質工程指導教師：梁收運20100530蘭州人學工程碩：學位論文深穿透地球化學勘食技術在金礦勘查中的戊用研究AbstractDeep—penetratinggeochemistryisakindofnewgeochemicaltechniqueforprospectingburiedorebodyinoverburdenareaThroug

2、hstudyingthetheoryofdeeppenetratinggeochemicalmigrationmechanismsandsummarizingthetechnologyofleachingofmobileformsofgold，andaftertestofmethodeffectiveness，thistechnologyhasbeenemployedforprospectingthedepositburiedunder

3、thegrassymarshlandintheSouthGansuProvince，whereisthefavorableareaofgoldformation，buttheconventionalgeologicalandgeochemicalprospectingmethodsareineffectivetoevaluatetheeffectivenessofthistechnologyThestudyareawasdividedb

4、ytheregionalfaultofMinxianLixianHezuoXiahe，NorthernQinglingfoldzoneinthenorth，andmiddlesectionofTriassicriftgeosynclinesinWesternQinglinginthesouthIthasbeenrecognizedwidelythatthehighpercolationenvironmentoftheregionalfa

5、ultofMinxian—Lixian—Hezuo—XiaheWasfavorableformetallogenesisbecausethefaultreachedthedeepcrust，whichcauseddeeporesolutionmovingup，accumulatinganddepositingintheflankingareaofthefaultTheinvestigationandevaluationofgoldres

6、ourcesdoneinXiahe—HezuegionhasidentifiedmanygoodcluesforpotentialexplorationThesurfaceconditionsofstudyareaimpedethelateralmovementofultrafinegoldAlthoughsomegoodclueshavebeenidentifiedintheperipheryofrock—masscontactzon

7、e，theprospectingresultthroughtheconventionalgeological，geophysicalandgeochemicalmethodsWasnotnotablebecausethesectionsofkeyanomalyaretheareawiththethickoverburden，thegentleterrain，theshortageofbedrock，andundevelopeddrain

8、agesystemOnthebasisofstudyofthetheorytheleachingexperimentofpartialextractionofmobilegoldinthesoilandprofilingsurveyontheknownburiedorebodiesinShiqingdongGoldMineandZhongquGoldMinehavebeencardedoutIthasbeenemployedthepar

9、tialextractiontechnologyprovidedbyInstituteofGeophysicalandGeochemicalExplorationinLangfangtoleach5phases’goldofsoilsample，amongwhich3phases’goldincludingwaterextractive，organicandfreenaturalphasegoldweredeterminedAllof3