{"id":{"repo_id":"laurentian","oai_identifier":"oai:laurentian.scholaris.ca:10219/3208"},"canonical_url":"https://search.dev.ndltd.org/etd/laurentian/oai:laurentian.scholaris.ca:10219/3208","repository":{"repo_id":"laurentian","name":"Laurentian University","base_url":"https://laurentian.scholaris.ca/server/oai/request"},"display":{"title":"Volcanic, structural, and hydrothermal controls on coincident Archean Low and High Sulfidation VMS Systems within the Onaman Assemblage, Onaman-Tashota Greenstone Belt, Northern Ontario, Canada","abstract":"High sulfidation volcanogenic massive sulfide (VMS) deposits show characteristics of VMS and high sulfidation epithermal deposits and are suggested to have formed through magmatic fluid contribution to an evolved seawater hydrothermal system. Two superimposed systems within the Neoarchean Onaman assemblage in Northwestern Ontario present an opportunity to assess the association between high sulfidation and traditional “low sulfidation” VMS systems. The stratigraphy of the Onaman assemblage consists of pillowed mafic volcanic flows, volcaniclastic rocks, and felsic flows and domes. The assemblage hosts a metamorphosed alteration system defined by kyanite and chloritoid-bearing mineral associations that overprint more traditional VMS associations of calcite, chlorite, and sericite. The sequence is consistent with subaqueous volcanism followed by uplift and erosion, which subsequently subsides to marine conditions. We postulate that the reactivation of synvolcanic structures, during uplift and subsidence, allowed for a direct magmatic volatile input into an evolved seawater dominated, VMS hydrothermal system.","abstract_html":"High sulfidation volcanogenic massive sulfide (VMS) deposits show characteristics of VMS and high sulfidation epithermal deposits and are suggested to have formed through magmatic fluid contribution to an evolved seawater hydrothermal system. Two superimposed systems within the Neoarchean Onaman assemblage in Northwestern Ontario present an opportunity to assess the association between high sulfidation and traditional “low sulfidation” VMS systems. The stratigraphy of the Onaman assemblage consists of pillowed mafic volcanic flows, volcaniclastic rocks, and felsic flows and domes. The assemblage hosts a metamorphosed alteration system defined by kyanite and chloritoid-bearing mineral associations that overprint more traditional VMS associations of calcite, chlorite, and sericite. The sequence is consistent with subaqueous volcanism followed by uplift and erosion, which subsequently subsides to marine conditions. We postulate that the reactivation of synvolcanic structures, during uplift and subsidence, allowed for a direct magmatic volatile input into an evolved seawater dominated, VMS hydrothermal system.","abstract_has_math":false,"creators":["Strongman, Keaton Reid"],"institution":"Laurentian University of Sudbury","degree_name":"Master of Science (MSc) in Geology","degree_level":null,"degree_discipline":null,"degree_department":null,"school":null,"contributors":[],"advisors":[],"committee_chairs":[],"committee_members":[],"year":2018,"date_issued":"2018-11-05","date_published":"2018-11-05","updated_at":"2026-08-21T16:45:55Z","subjects":["Volcanogenic Massive Sulfide Deposits","High Sulfidation VMS","Volcanology","Onaman Assemblage","Hydrothermal Ore Deposits","Advanced Argillic Alteration","Volcanic Stratigraphy"],"languages":["en"],"rights":[],"rights_urls":[],"identifier_entries":[]},"links":{"outbound_url":"https://laurentian.scholaris.ca/handle/10219/3208","outbound_label":"Repository record","outbound_source":"dc:identifier.uri"},"source_record":{"url":"https://laurentian.scholaris.ca/server/oai/request?verb=GetRecord&metadataPrefix=dim&identifier=oai%3Alaurentian.scholaris.ca%3A10219%2F3208","prefix":"dim"},"metadata_groups":[{"id":"people","label":"People","entries":[{"key":"dc:creator","label":"Author","values":["Strongman, Keaton Reid"]}]},{"id":"academic_context","label":"Academic Context","entries":[{"key":"dc:date.accessioned","label":"Dc Date Accessioned","values":["2018-12-21T15:57:26Z"]},{"key":"dc:date.available","label":"Dc Date Available","values":["2018-12-21T15:57:26Z"]},{"key":"dc:date.issued","label":"Date","values":["2018-11-05"]},{"key":"dc:publisher","label":"Institution","values":["Laurentian University of Sudbury"]},{"key":"dc:type","label":"Dc Type","values":["Thesis"]},{"key":"thesis:degree_name","label":"Degree Name","values":["Master of Science (MSc) in Geology"]},{"key":"thesis:institution_name","label":"Thesis Institution Name","values":["Laurentian University of Sudbury"]}]},{"id":"subjects_keywords","label":"Subjects and Keywords","entries":[{"key":"dc:subject","label":"Dc Subject","values":["Volcanogenic Massive Sulfide Deposits","High Sulfidation VMS","Volcanology","Onaman Assemblage","Hydrothermal Ore Deposits","Advanced Argillic Alteration","Volcanic Stratigraphy"]}]},{"id":"language_rights","label":"Language and Rights","entries":[{"key":"dc:language.iso","label":"Language (ISO)","values":["en"]}]},{"id":"identifiers","label":"Identifiers","entries":[{"key":"dc:identifier.uri","label":"Identifier URI","values":["https://laurentian.scholaris.ca/handle/10219/3208"]}]},{"id":"additional","label":"Additional Metadata","entries":[{"key":"dc:description.abstract","label":"Abstract","values":["High sulfidation volcanogenic massive sulfide (VMS) deposits show characteristics of VMS and high sulfidation epithermal deposits and are suggested to have formed through magmatic fluid contribution to an evolved seawater hydrothermal system. Two superimposed systems within the Neoarchean Onaman assemblage in Northwestern Ontario present an opportunity to assess the association between high sulfidation and traditional “low sulfidation” VMS systems. The stratigraphy of the Onaman assemblage consists of pillowed mafic volcanic flows, volcaniclastic rocks, and felsic flows and domes. The assemblage hosts a metamorphosed alteration system defined by kyanite and chloritoid-bearing mineral associations that overprint more traditional VMS associations of calcite, chlorite, and sericite. The sequence is consistent with subaqueous volcanism followed by uplift and erosion, which subsequently subsides to marine conditions. We postulate that the reactivation of synvolcanic structures, during uplift and subsidence, allowed for a direct magmatic volatile input into an evolved seawater dominated, VMS hydrothermal system."]},{"key":"dc:title","label":"Title","values":["Volcanic, structural, and hydrothermal controls on coincident Archean Low and High Sulfidation VMS Systems within the Onaman Assemblage, Onaman-Tashota Greenstone Belt, Northern Ontario, Canada"]}]}],"canonical_facts":{"dc:creator":["Strongman, Keaton Reid"],"dc:date.accessioned":["2018-12-21T15:57:26Z"],"dc:date.available":["2018-12-21T15:57:26Z"],"dc:date.issued":["2018-11-05"],"dc:description.abstract":["High sulfidation volcanogenic massive sulfide (VMS) deposits show characteristics of VMS and high sulfidation epithermal deposits and are suggested to have formed through magmatic fluid contribution to an evolved seawater hydrothermal system. Two superimposed systems within the Neoarchean Onaman assemblage in Northwestern Ontario present an opportunity to assess the association between high sulfidation and traditional “low sulfidation” VMS systems. The stratigraphy of the Onaman assemblage consists of pillowed mafic volcanic flows, volcaniclastic rocks, and felsic flows and domes. The assemblage hosts a metamorphosed alteration system defined by kyanite and chloritoid-bearing mineral associations that overprint more traditional VMS associations of calcite, chlorite, and sericite. The sequence is consistent with subaqueous volcanism followed by uplift and erosion, which subsequently subsides to marine conditions. We postulate that the reactivation of synvolcanic structures, during uplift and subsidence, allowed for a direct magmatic volatile input into an evolved seawater dominated, VMS hydrothermal system."],"dc:identifier.uri":["https://laurentian.scholaris.ca/handle/10219/3208"],"dc:language.iso":["en"],"dc:publisher":["Laurentian University of Sudbury"],"dc:subject":["Volcanogenic Massive Sulfide Deposits","High Sulfidation VMS","Volcanology","Onaman Assemblage","Hydrothermal Ore Deposits","Advanced Argillic Alteration","Volcanic Stratigraphy"],"dc:title":["Volcanic, structural, and hydrothermal controls on coincident Archean Low and High Sulfidation VMS Systems within the Onaman Assemblage, Onaman-Tashota Greenstone Belt, Northern Ontario, Canada"],"dc:type":["Thesis"],"thesis:degree_name":["Master of Science (MSc) in Geology"],"thesis:institution_name":["Laurentian University of Sudbury"]},"updated_at":"2026-08-21T16:45:55Z"}