Fluids from the host rock to and within the fault zone

publicité
Master ès Sciences in
geology
Fluids from the host rock to and within the fault zone
Contactpersons:MatteoLupi([email protected])
Context
Veinsrepresentfluidsmovingthroughgeologicalunitsandacrossfaultzones.Faultstructuresareoften
characterisedbyawidespreadpresenceofveins,especiallyingeothermalsettings.Howfluidsdomigratefrom
thehostrockstothefaultstructures?Aretheydrivenbygravityorbythegeothermalgradient?Thisstudywill
investigatehowfluidsmigratefromthehostrockstothefaultzonesandwilltrytoquantifyhowveinspervadea
givenfaultstructure.Thestudywillinvolvefieldworkandlabanalysis.Thissubjectmaybeadaptedtovarious
outcropsandthereforecarriedoutbymorethanoneperson(ifrequired).
Objectives
- Determinehowfluidsmigratewithinsedimentarysequencesandultimatelyenterafaultzone
- Quantifytheamountoffluidsaccommodatedinfaultstructure
- Determineforagivensetofveinswhetherfluidsweredownellingorupwelling
Methods
- Fieldwork
Literature
Gudmundsson,A.,2000.Activefaultzonesandgroundwaterflow.:Geophysicalresearchletters,27,p.2993–
2996.
Gudmundsson,A.,2001.Fluidoverpressureandflowinfaultzones:fieldmeasurementsandmodels.:
Tectonophysics,336,p.183–197.
Gudmundsson,A.,Berg,S.S.,Lyslo,K.B.andSkurtveit,E.,2001.Fracturenetworksandfluidtransportinactive
faultzones:JournalofStructuralGeology,23,p.343–353.
SitesWEB
Choiceoforientation:Sedimentary, environmental and reservoir geology
10.03.16
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