Determination of fractured aquifer characteristics from evaluation of pump tests of wells in the crystalline rocks of the Blue Ridge allocthon

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dc.contributor.authorDawson, James W.en
dc.contributor.committeechairCostain, John K.en
dc.contributor.committeememberWiggert, James M.en
dc.contributor.committeememberLaw, R. D.en
dc.contributor.committeememberBloss, F. Donalden
dc.contributor.departmentGeologyen
dc.date.accessioned2014-08-13T14:40:17Zen
dc.date.available2014-08-13T14:40:17Zen
dc.date.issued1988en
dc.description.abstractThe Precambrian age rocks of the Blue Ridge thrust sheet near Roanoke, Virginia, comprise an igneous and metamorphic assemblage with the predominance of porosity and permeability of the formations attributed to secondary factors. Aquifer characteristics of transmissivity, storage coefficient, hydraulic conductivity and fracture NL) permeability are determined from evaluation of pump tests conducted on ground water supply wells developed in this fractured aquifer. Evaluation of pump test data indicates that aquifer response is similar to a double porosity medium in some instances. Comparison of pump tests at locations close to, and further removed from, the leading edge of the Blue Ridge Thrust Fault indicate little variability in fracture permeability. The data suggest that deep circulation of ground water in the Blue Ridge allochthon may be more likely than previously thought.en
dc.description.adminincomplete_metadataen
dc.description.degreeMaster of Scienceen
dc.format.extentvi, 139 leavesen
dc.format.mimetypeapplication/pdfen
dc.identifier.urihttp://hdl.handle.net/10919/50075en
dc.publisherVirginia Polytechnic Institute and State Universityen
dc.relation.isformatofOCLC# 19289452en
dc.rightsIn Copyrighten
dc.rights.urihttp://rightsstatements.org/vocab/InC/1.0/en
dc.subject.lccLD5655.V855 1988.D387en
dc.subject.lcshGroundwater -- Roanoke River Watershed (Va. and N.C.)en
dc.subject.lcshAquifers -- Virginiaen
dc.titleDetermination of fractured aquifer characteristics from evaluation of pump tests of wells in the crystalline rocks of the Blue Ridge allocthonen
dc.typeThesisen
dc.type.dcmitypeTexten
thesis.degree.disciplineGeologyen
thesis.degree.grantorVirginia Polytechnic Institute and State Universityen
thesis.degree.levelmastersen
thesis.degree.nameMaster of Scienceen

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