{"id":{"repo_id":"unlv","oai_identifier":"oai:oasis.library.unlv.edu:rtds-1057"},"canonical_url":"https://search.dev.ndltd.org/etd/unlv/oai:oasis.library.unlv.edu:rtds-1057","repository":{"repo_id":"unlv","name":"University of Nevada - Las Vegas","base_url":"https://oasis.library.unlv.edu/do/oai/"},"display":{"title":"The origin of the Wilson Ridge pluton and its enclaves, northwestern Arizona: Implications for the generation of a calc-alkaline intermediate pluton in an extensional environment","abstract":"The Wilson Ridge pluton is an epizonal calc-alkaline pluton that formed about 13.5 Ma during a period of mid-Miocene extension. The pluton was passively emplaced into a 1.7 to 1.8 Ga Precambrian crystalline terrain. High-angle normal faulting resulted in a series of horsts and grabens that provide windows into deep structural levels of the pluton; The Wilson Ridge pluton is composed of the Teakettle Pass suite, comprised of foliated monzodiorite and quartz monzodiorite, and unfoliated quartz monzonite; and the older Horsethief Canyon diorite; Intermediate rocks of the Teakettle Pass suite contain abundant basalt and diorite enclaves; Field evidence and major and trace element models suggests that the intermediate rocks of the pluton were produced by the commingling of a large volume of mafic magma with a smaller volume of felsic magma (a mafic-felsic ratio of about 70:30) as well as fractional crystallization. Similar open system processes may be responsible for the production of calc-alkaline intermediate rocks in other parts of the Great Basin. (Abstract shortened with permission of author.).","abstract_html":"The Wilson Ridge pluton is an epizonal calc-alkaline pluton that formed about 13.5 Ma during a period of mid-Miocene extension. The pluton was passively emplaced into a 1.7 to 1.8 Ga Precambrian crystalline terrain. High-angle normal faulting resulted in a series of horsts and grabens that provide windows into deep structural levels of the pluton; The Wilson Ridge pluton is composed of the Teakettle Pass suite, comprised of foliated monzodiorite and quartz monzodiorite, and unfoliated quartz monzonite; and the older Horsethief Canyon diorite; Intermediate rocks of the Teakettle Pass suite contain abundant basalt and diorite enclaves; Field evidence and major and trace element models suggests that the intermediate rocks of the pluton were produced by the commingling of a large volume of mafic magma with a smaller volume of felsic magma (a mafic-felsic ratio of about 70:30) as well as fractional crystallization. Similar open system processes may be responsible for the production of calc-alkaline intermediate rocks in other parts of the Great Basin. (Abstract shortened with permission of author.).","abstract_has_math":false,"creators":["Larsen, Lance Louis"],"institution":"University of Nevada, Las Vegas","degree_name":"Master of Science (MS)","degree_level":"Thesis","degree_discipline":"Geoscience","degree_department":null,"school":null,"contributors":["E. I. Smith"],"advisors":[],"committee_chairs":[],"committee_members":[],"year":1988,"date_issued":"1988-01-01T08:00:00Z","date_published":"1988-01-01T08:00:00Z","updated_at":"2026-07-24T05:23:59Z","subjects":[],"languages":["English"],"rights":["IN COPYRIGHT. For more information about this rights statement, please visit http://rightsstatements.org/vocab/InC/1.0/"],"rights_urls":[],"identifier_entries":[{"key":"dc:identifier","label":"Identifier","values":["https://oasis.library.unlv.edu/rtds/58"],"render_values":[{"text":"https://oasis.library.unlv.edu/rtds/58","href":"https://oasis.library.unlv.edu/rtds/58","code":true}]}]},"links":{"outbound_url":"https://doi.org/10.25669/trxh-n4m2","outbound_label":"DOI","outbound_source":"dc:identifier"},"metadata_groups":[{"id":"people","label":"People","entries":[{"key":"dc:contributor","label":"Contributor","values":["E. I. 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High-angle normal faulting resulted in a series of horsts and grabens that provide windows into deep structural levels of the pluton; The Wilson Ridge pluton is composed of the Teakettle Pass suite, comprised of foliated monzodiorite and quartz monzodiorite, and unfoliated quartz monzonite; and the older Horsethief Canyon diorite; Intermediate rocks of the Teakettle Pass suite contain abundant basalt and diorite enclaves; Field evidence and major and trace element models suggests that the intermediate rocks of the pluton were produced by the commingling of a large volume of mafic magma with a smaller volume of felsic magma (a mafic-felsic ratio of about 70:30) as well as fractional crystallization. Similar open system processes may be responsible for the production of calc-alkaline intermediate rocks in other parts of the Great Basin. (Abstract shortened with permission of author.)."]},{"key":"dc:format","label":"Dc Format","values":["pdf"]},{"key":"dc:title","label":"Title","values":["The origin of the Wilson Ridge pluton and its enclaves, northwestern Arizona: Implications for the generation of a calc-alkaline intermediate pluton in an extensional environment"]}]}],"canonical_facts":{"dc:contributor":["E. I. Smith"],"dc:creator":["Larsen, Lance Louis"],"dc:description.abstract":["The Wilson Ridge pluton is an epizonal calc-alkaline pluton that formed about 13.5 Ma during a period of mid-Miocene extension. The pluton was passively emplaced into a 1.7 to 1.8 Ga Precambrian crystalline terrain. High-angle normal faulting resulted in a series of horsts and grabens that provide windows into deep structural levels of the pluton; The Wilson Ridge pluton is composed of the Teakettle Pass suite, comprised of foliated monzodiorite and quartz monzodiorite, and unfoliated quartz monzonite; and the older Horsethief Canyon diorite; Intermediate rocks of the Teakettle Pass suite contain abundant basalt and diorite enclaves; Field evidence and major and trace element models suggests that the intermediate rocks of the pluton were produced by the commingling of a large volume of mafic magma with a smaller volume of felsic magma (a mafic-felsic ratio of about 70:30) as well as fractional crystallization. Similar open system processes may be responsible for the production of calc-alkaline intermediate rocks in other parts of the Great Basin. (Abstract shortened with permission of author.)."],"dc:format":["pdf"],"dc:identifier":["10.25669/trxh-n4m2","https://oasis.library.unlv.edu/rtds/58","https://oasis.library.unlv.edu/context/rtds/article/1057/viewcontent/uc.pdf"],"dc:language":["English"],"dc:publisher":["University of Nevada, Las Vegas"],"dc:rights":["IN COPYRIGHT. For more information about this rights statement, please visit http://rightsstatements.org/vocab/InC/1.0/"],"dc:title":["The origin of the Wilson Ridge pluton and its enclaves, northwestern Arizona: Implications for the generation of a calc-alkaline intermediate pluton in an extensional environment"],"dc:type":["Text"],"thesis:degree_discipline":["Geoscience"],"thesis:degree_level":["Thesis"],"thesis:degree_name":["Master of Science (MS)"]},"updated_at":"2026-07-24T05:23:59Z"}