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Laboratory Electrical DC Resistivity of Serpentinite, Graphite, Oxide and Sulfide Minerals

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dc.contributor.advisorDaly, Michael
dc.contributor.authorDa Cruz Saturnino, Thamara Julia
dc.date.accessioned2020-08-11T12:35:11Z
dc.date.available2020-08-11T12:35:11Z
dc.date.copyright2019-12
dc.date.issued2020-08-11
dc.date.updated2020-08-11T12:35:11Z
dc.degree.disciplineEarth & Space Science
dc.degree.levelMaster's
dc.degree.nameMSc - Master of Science
dc.description.abstractRadar remote sensing and Ground Penetrating Radar (GPR) are effective techniques for geological subsurface investigations. Planetary missions, such as Apollo-17 and Change-3, have used GPR as a tool for investigating the Earths moon surface. Electrical DC resistivity of chalcopyrite, galena, graphite, hematite, ilmenite, magnetite, pyrite, pyrrhotite and serpentinite was assessed using a Cryogen-Free Measurement System (CFMS) over a temperature range of 10K-300K. The objective of this work is to contribute to radar and Ground Penetrating Radar sensing data interpretation as electrical DC conductivity (or its inverse, resistivity) is related to radar signal loss. The samples were characterized by analyzing the hand specimens and by using a petrographic microscope. Semi quantitative chemical composition has been assessed by using a Scanning Electronic Microscope (SEM) attached to an Electron Dispersive Spectroscopy detector (EDS). Linear regression was executed for understanding the linearity of the relationship between current and voltage. The temperature dependence of resistivity was determined for each sample.
dc.identifier.urihttp://hdl.handle.net/10315/37665
dc.languageen
dc.rightsAuthor owns copyright, except where explicitly noted. Please contact the author directly with licensing requests.
dc.subjectGeology
dc.subject.keywordselectrical resistivity; DC resistivity
dc.subject.keywordscryogenic
dc.subject.keywordslow-temperature
dc.subject.keywordsoxides
dc.subject.keywordssulphides
dc.subject.keywordsradar
dc.subject.keywordsGPR
dc.titleLaboratory Electrical DC Resistivity of Serpentinite, Graphite, Oxide and Sulfide Minerals
dc.typeElectronic Thesis or Dissertation

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