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dc.contributor.authorLorek, Edward G.en_US
dc.date.accessioned2009-06-15T17:00:46Z
dc.date.available2009-06-15T17:00:46Z
dc.date.issued1987-06-15T17:00:46Z
dc.identifier.urihttp://hdl.handle.net/10464/1627
dc.description.abstractThe Pater metavolcanic suite (PVS) was extruded as part O'f the basal Pater Formation of the Huronian Supergroup ca. 2.4 Ga. They Ars classified as wi thin-plate tholeiites associated with an immature ri-fting episode, and are inter layered with associated vol cani clastic and metasedimentary units. Post-solidif ication alteration caused redistribution o-f the alkalies, Sr, Rb, Ba, Cu, and SiO^. Ce, Y, Zr, CFezOs (as total Fe), Al^Os, TiOa, and, PaOa are considered to have remained essentially immobile in least altered samples. Petrogenetic modelling indicates the PVS was derived from the partial melting of two geochemical ly similar sources in the sub-continental lithosphere. Fractionation was characterized by an oli vine-plagioclase assemblage and a sub-volcanic plagioclase-clinopyroxene assemblage. A comparative study indicates that enrichment of the postulated Huronian source cannot be reconciled by Archean contamination. Enrichment is thought to have been caused by hydrous veined metasomatic heterogeneities in the sub-continental lithosphere, generated by an Archean subduct ion event before 2.68 Ga.en_US
dc.language.isoengen_US
dc.publisherBrock Universityen_US
dc.subjectGeochemistryen_US
dc.subjectPetrogenesisen_US
dc.subjectGeology, Stratigraphicen_US
dc.subjectVolcanic ash, tuff, etc.en_US
dc.titleGeochemistry and petrogenesis of the Proterozoic Pater metavolcanic suite, Spragge, Ontario /en_US
dc.typeElectronic Thesis or Dissertationen_US
dc.degree.nameM.Sc. Earth Sciencesen_US
dc.degree.levelMastersen_US
dc.contributor.departmentDepartment of Earth Sciencesen_US
dc.degree.disciplineFaculty of Mathematics and Scienceen_US


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