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Please use this identifier to cite or link to this item: http://hdl.handle.net/11375/19582
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DC FieldValueLanguage
dc.contributor.advisorDickin, A. P.-
dc.contributor.authorArtan, Mustafa-
dc.date.accessioned2016-06-20T14:57:48Z-
dc.date.available2016-06-20T14:57:48Z-
dc.date.issued1995-08-
dc.identifier.urihttp://hdl.handle.net/11375/19582-
dc.description.abstract<p> Lead isotope ratios have been determined by a VG.354 thermal ionization mass spectrometer on Sudbury Igneous Complex sulphide ores. The isotopic ratios are contrasted with the lead isotope profile of selected country rocks in the vicinity of the complex. South Range data form a linear array whose slope indicates an age of approximately 1.85 Ga, the published age of the igneous complex. They also indicate North Range data a magmatic origin for lead in the ore. North Range data describe a parallel isochron, with lower 206Pb/204Pb and 207Pb/204Pb ratios. The South and North Range data are similar to the lead-isotope composition of country rocks close to them, and indicate rather different crustal-source rocks for sulphide ores in these regions of the complex. This fact suggests that the Sudbury Igneous Complex was generated by a meteorite impact which occurred at the edge of the Huronian succession overlying the Southeast edge of the Superior Province. </p>en_US
dc.language.isoenen_US
dc.subjectleaden_US
dc.subjectnickel oreen_US
dc.subjectsudburyen_US
dc.subjectisotopeen_US
dc.subjectthermal ionizationen_US
dc.subjectmass spectrometeren_US
dc.titleLead Systematics of the Sudbury Nickel Ores: Sudbury, Ontario, Canadaen_US
dc.contributor.departmentGeologyen_US
dc.description.degreetypeThesisen_US
dc.description.degreeMaster of Science (MSc)en_US
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