{"id":{"repo_id":"buffalo","oai_identifier":"oai:ubir.buffalo.edu:10477/79973"},"canonical_url":"https://search.dev.ndltd.org/etd/buffalo/oai:ubir.buffalo.edu:10477/79973","repository":{"repo_id":"buffalo","name":"Buffalo","base_url":"https://ubir.buffalo.edu/oai/request"},"display":{"title":"Astronomically Forced Cyclicity In the Upper Ordovician Utica Shale, Taconic Foreland Basin, Mohawk Valley Region, NY, USA","abstract":"M.S.","abstract_html":"M.S.","abstract_has_math":false,"creators":["Bana, Davide"],"institution":"State University of New York at Buffalo","degree_name":null,"degree_level":null,"degree_discipline":null,"degree_department":null,"school":null,"contributors":["Mitchell, Charles","Geology"],"advisors":[],"committee_chairs":[],"committee_members":[],"year":2019,"date_issued":"2019-07-30T15:11:30Z","date_published":"2019-07-30T15:11:30Z","updated_at":"2026-07-27T19:05:21Z","subjects":["geology"],"languages":["eng"],"rights":["Users of works found in University at Buffalo Institutional Repository (UBIR) are responsible for identifying and contacting the copyright owner for permission to reuse. University at Buffalo Libraries do not manage rights for copyright-protected works and cannot assist with permissions.","Copyright retained by author."],"rights_urls":[],"identifier_entries":[]},"links":{"outbound_url":"http://hdl.handle.net/10477/79973","outbound_label":"Handle","outbound_source":"dc:identifier"},"metadata_groups":[{"id":"people","label":"People","entries":[{"key":"dc:contributor","label":"Contributor","values":["Mitchell, Charles","Geology"]},{"key":"dc:creator","label":"Author","values":["Bana, Davide"]}]},{"id":"academic_context","label":"Academic Context","entries":[{"key":"dc:date","label":"Dc Date","values":["2019-07-30T15:11:30Z","2019","2019-05-16 08:42:32"]},{"key":"dc:publisher","label":"Institution","values":["State University of New York at Buffalo"]},{"key":"dc:type","label":"Dc Type","values":["Text","Thesis"]}]},{"id":"subjects_keywords","label":"Subjects and Keywords","entries":[{"key":"dc:subject","label":"Dc Subject","values":["geology"]}]},{"id":"language_rights","label":"Language and Rights","entries":[{"key":"dc:language","label":"Dc Language","values":["eng"]},{"key":"dc:rights","label":"Dc Rights","values":["Users of works found in University at Buffalo Institutional Repository (UBIR) are responsible for identifying and contacting the copyright owner for permission to reuse. University at Buffalo Libraries do not manage rights for copyright-protected works and cannot assist with permissions.","Copyright retained by author."]}]},{"id":"identifiers","label":"Identifiers","entries":[{"key":"dc:identifier","label":"Identifier","values":["http://hdl.handle.net/10477/79973"]}]},{"id":"additional","label":"Additional Metadata","entries":[{"key":"dc:description","label":"Description","values":["M.S.","Milankovitch cycles consist in quasi-periodic changes in the Earth’s orbital parameters. As a direct effect they change insolation, which in turn affects climate. Climate changes periodically the sedimentary conditions, ultimately the astronomical forcing is recorded in the rocks. The analyzed unit of this thesis, the Utica Shale, deposited in the composite Taconic retroarc foreland basin after the subduction polarity reversal. The dataset used consist in a 37-element XRF concentration database measured on two cores (74NY10 and 75NY2). We hypothesize that the Utica Shale recorded Milankovitch cycles and that the two analyzed cores hold comparable results. To address this, time series analysis was conducted on 4 metrics for each core: PC1 and 2 from PCA of the whole dataset, Ca/Si ratio, Log(Ti) and Al/Si. The data processing was conducted in MATLAB using specifically designed scripts and publicly available scripts from Linda Hinnov. The results were ultimately inconclusive. PCA is not a suitable method for time series analysis and Ca/Si was probably affected by diagenesis. Log(Ti) was the best metric for 75NY2 while Al/Si worked better for 74NY10. However, neither metric could detect all the Milankovitch cycles necessary to uni-vocally construct an astronomical time scale for the unit."]},{"key":"dc:format","label":"Dc Format","values":["application/pdf"]},{"key":"dc:title","label":"Title","values":["Astronomically Forced Cyclicity In the Upper Ordovician Utica Shale, Taconic Foreland Basin, Mohawk Valley Region, NY, USA"]}]}],"canonical_facts":{"dc:contributor":["Mitchell, Charles","Geology"],"dc:creator":["Bana, Davide"],"dc:date":["2019-07-30T15:11:30Z","2019","2019-05-16 08:42:32"],"dc:description":["M.S.","Milankovitch cycles consist in quasi-periodic changes in the Earth’s orbital parameters. As a direct effect they change insolation, which in turn affects climate. Climate changes periodically the sedimentary conditions, ultimately the astronomical forcing is recorded in the rocks. The analyzed unit of this thesis, the Utica Shale, deposited in the composite Taconic retroarc foreland basin after the subduction polarity reversal. The dataset used consist in a 37-element XRF concentration database measured on two cores (74NY10 and 75NY2). We hypothesize that the Utica Shale recorded Milankovitch cycles and that the two analyzed cores hold comparable results. To address this, time series analysis was conducted on 4 metrics for each core: PC1 and 2 from PCA of the whole dataset, Ca/Si ratio, Log(Ti) and Al/Si. The data processing was conducted in MATLAB using specifically designed scripts and publicly available scripts from Linda Hinnov. The results were ultimately inconclusive. PCA is not a suitable method for time series analysis and Ca/Si was probably affected by diagenesis. Log(Ti) was the best metric for 75NY2 while Al/Si worked better for 74NY10. However, neither metric could detect all the Milankovitch cycles necessary to uni-vocally construct an astronomical time scale for the unit."],"dc:format":["application/pdf"],"dc:identifier":["http://hdl.handle.net/10477/79973"],"dc:language":["eng"],"dc:publisher":["State University of New York at Buffalo"],"dc:rights":["Users of works found in University at Buffalo Institutional Repository (UBIR) are responsible for identifying and contacting the copyright owner for permission to reuse. University at Buffalo Libraries do not manage rights for copyright-protected works and cannot assist with permissions.","Copyright retained by author."],"dc:subject":["geology"],"dc:title":["Astronomically Forced Cyclicity In the Upper Ordovician Utica Shale, Taconic Foreland Basin, Mohawk Valley Region, NY, USA"],"dc:type":["Text","Thesis"]},"updated_at":"2026-07-27T19:05:21Z"}