四川石棉碲礦床成礦的地球化學(xué)機(jī)理.pdf

1、成都理工大學(xué)碩士學(xué)位論文四川石棉碲礦床成礦的地球化學(xué)機(jī)理姓名：馬東申請(qǐng)學(xué)位級(jí)別：碩士專業(yè)：地球化學(xué)指導(dǎo)教師：何明友劉峰20070501成都理j_I=大學(xué)碩學(xué)位論文Theore—forminggeochemicalmechanismofTedepositinShimian，SiChuanprovinceAbstractBasedonthegeologalicinvestigationinthefieldandlotsofanalysisd

2、atainthelaboratoryandthestudyingofregionalgeologyandstructurebackgroundofDashuigouTedeposit，wemadeadeepstudyoforeforminggeochemistryprocessandoreforminggeochemistrymechanismThisstudycoversregionalgeology，thephysicochemic

3、alconditionofDashuigouTedepositareatraceelementinmineralizationfield，isotopicgeochemistrythetransportformsofTethedepositgeochemistrymechanismofTeandtheore—forminggeochemistrymode，andSOonthestudyresultshasshowthatasf0Ilow

4、s：1theTedepositformedinthelinkupoftheplatesandactiveofthedeepfaultsandtectunomagma。ThisplaceCanprovidewitllenrichmaterialsandenoughreservoirspacefortheore—formingandactivityplaceforthesolutionSOitisadvantagedforformingTe

5、deposit2theformingoftheTedeposithascloserelationshipwiththespacetime3themineralizercamefrommantle，andthesolutionfrommagmatichydrotherm。4thestudyoftheinclutionsshowsthattheTedepositisatypeofmesohi曲temperature，mesogenemagm

6、atichydrothermalfillingdeposit5theprocessofore—formingWasaprocessofTandPfallingasthefallingofTandPpH、／02、，s2、fTe2comedown，andtheEhrised6TeWastransportedbyH2Te、HTe’inthesolutionandprecipitatedfromthesolutionwhenphysico—ch