應(yīng)變速率法計(jì)算構(gòu)造形成時(shí)限的原理和方法.pdf

1、文題目應(yīng)變速率法計(jì)算構(gòu)造形成時(shí)限者姓名科專業(yè)師姓名成時(shí)間二o0四年六月戍變速率法汁算構(gòu)造形成時(shí)限的原理和方法abstract：TectonicdeformationdurationmeansthedurativetimeofgeologicaltectonicprocessItiSthetimeSl：IananddifferentfromthetimepeakvaluewhichiSobtainedbyisotopicmethod，pa

2、leontologicmethod，paleomagneticmethodandSOonBecausethetectoniceventduration，iSusuallyfrom0，lMato1OMatheisotopicmethodandindexfossilrunshortofadequateprecisionforthetectoniceventsbeforeCenozoicAsaresult，calculatingtectoni

3、cdeformationdurationhasbeenageologicalpuzzleforlongtimeThetheoryandmethodsusedtOcalculatetectoniceventdurationwereoriginallyintroducedinChinaThemethodsincludestrainratemethodreactionratemethoddiffusionratemethodandSOonWe

4、selectedFuchashanmountainwhichinfeidongcounty，AnhuiprovinceandGaoligongshanmountain，whichisintengchongcounty，YunnanProvinceastheworkingplaceThisPapersystemicallyintroducedthetheoryandprocessoftllestrainratemethodastohowt

5、ocalculatetectonicdeformationdurationFirstwestudiedthegeologicalsetting，analyzedtheprimarytectonicperiodandsequenceandselectedthemosttypicalmyloniteandoriginalrocksamplesintheductileshearzone；thenbymicrostmctureanalysis，

6、suchasrecrystallizedgrainsizemethod，subgrainsizemethodanddislocationdensitymethodwecalculatedthedeformationstressandgetthestrainrate；afterthatwecalculatedⅡlevolumeratiothroughisoconcentrationlinemethodbuilttheequationint

7、egratingstrainratebytimeandgetthetectonicdeformationduration；finallywecarriedoutselfcheckbvdifferentstrainintensityinthesameshearzonetoconsummatethismethodstepbystepIntroducinganddevelopingofthestrainratemethodtocalculat

8、etectonicdeformationdurationwillpushforwardthestudyofductileshearzoneandorogentoquantitativenessgradeandbehelpfultoestablishthetectonicsequenceandevolvementmodeloftheorogenThisprojectiSanimportantsupplementtotectonicchro

9、nologyItfitstlleneedofthetectonicgeologydevelopmentanditistheinevitabletrendofthemathematicgeologyAtpresentthestudyofthetectonicdeformationdurationiSstillinprocessandneedsmoreandmoredevelopmentkeywords：tectonicdeformatio