{"id":{"repo_id":"baylor","oai_identifier":"oai:baylor-ir.tdl.org:2104/8822"},"canonical_url":"https://search.dev.ndltd.org/etd/baylor/oai:baylor-ir.tdl.org:2104/8822","repository":{"repo_id":"baylor","name":"Baylor University","base_url":"https://baylor-ir.tdl.org/server/oai/request"},"display":{"title":"Detailed paleoclimatic records from late Pennsylvanian polygenetic paleosols : north-central Texas, USA.","abstract":"Two Canyon Group (late-Pennsylvanian, Missourian) multistory, polygenetic paleosol intervals in north-central Texas, USA record complex paleoclimatic and paleohydrologic histories. Both paleosol intervals show evidence for initial development under well-drained conditions (illuviated clay, pedogenic calcite nodules, high-chroma matrix colors) and are overprinted by features that indicate poorer drained conditions (gley matrix colors, pedogenic siderite), however overprinting occurred through rapid transgression in one paleosol and gradual sea-level rise in the other. Reconstructed physical and wet chemical soil properties indicate these paleosols were finely textured, fertile, and void of salinity problems. Paleoatmospheric pCO₂ estimates from the δ¹³C values of pedogenic calcite nodules indicate values near pre-industrial levels (360ppmV), which are in agreement with previously published proxy and modeling results. This study shows that despite multiple episodes of overprinting, a detailed paleoclimatic and paleohydrologic history can be reconstructed from paleosols using careful macro and micromorphological observations.","abstract_html":"Two Canyon Group (late-Pennsylvanian, Missourian) multistory, polygenetic paleosol intervals in north-central Texas, USA record complex paleoclimatic and paleohydrologic histories. Both paleosol intervals show evidence for initial development under well-drained conditions (illuviated clay, pedogenic calcite nodules, high-chroma matrix colors) and are overprinted by features that indicate poorer drained conditions (gley matrix colors, pedogenic siderite), however overprinting occurred through rapid transgression in one paleosol and gradual sea-level rise in the other. Reconstructed physical and wet chemical soil properties indicate these paleosols were finely textured, fertile, and void of salinity problems. Paleoatmospheric pCO₂ estimates from the δ¹³C values of pedogenic calcite nodules indicate values near pre-industrial levels (360ppmV), which are in agreement with previously published proxy and modeling results. This study shows that despite multiple episodes of overprinting, a detailed paleoclimatic and paleohydrologic history can be reconstructed from paleosols using careful macro and micromorphological observations.","abstract_has_math":false,"creators":["Culbertson, Amos."],"institution":"Baylor University.","degree_name":"M.S.","degree_level":"Masters","degree_discipline":null,"degree_department":null,"school":null,"contributors":[],"advisors":["Driese, Steven G."],"committee_chairs":[],"committee_members":[],"year":2013,"date_issued":"2013-09","date_published":"2013-09","updated_at":"2026-07-24T01:08:16Z","subjects":["Paleosols.","Late Pennsylvanian.","Paleoclimate.","Central Texas.","Paleohydrology."],"languages":["en"],"rights":["Baylor University works are protected by copyright. They may be viewed from this source for any purpose, but reproduction or distribution in any format is prohibited without written permission. Contact libraryquestions@baylor.edu for inquiries about permission."],"rights_urls":[],"identifier_entries":[]},"links":{"outbound_url":"https://hdl.handle.net/2104/8822","outbound_label":"Handle","outbound_source":"dc:identifier.uri"},"metadata_groups":[{"id":"people","label":"People","entries":[{"key":"dc:contributor.advisor","label":"Advisor","values":["Driese, Steven G."]},{"key":"dc:creator","label":"Author","values":["Culbertson, Amos."]}]},{"id":"academic_context","label":"Academic Context","entries":[{"key":"dc:date.accessioned","label":"Dc Date Accessioned","values":["2013-09-24T14:14:11Z"]},{"key":"dc:date.available","label":"Dc Date Available","values":["2013-09-24T14:14:11Z"]},{"key":"dc:date.issued","label":"Date","values":["2013-09"]},{"key":"dc:type","label":"Dc Type","values":["Thesis"]},{"key":"thesis:degree_level","label":"Degree Level","values":["Masters"]},{"key":"thesis:degree_name","label":"Degree Name","values":["M.S."]},{"key":"thesis:institution_name","label":"Thesis Institution Name","values":["Baylor University."]}]},{"id":"subjects_keywords","label":"Subjects and Keywords","entries":[{"key":"dc:subject","label":"Dc Subject","values":["Paleosols.","Late Pennsylvanian.","Paleoclimate.","Central Texas.","Paleohydrology."]}]},{"id":"language_rights","label":"Language and Rights","entries":[{"key":"dc:language.iso","label":"Language (ISO)","values":["en"]},{"key":"dc:rights","label":"Dc Rights","values":["Baylor University works are protected by copyright. They may be viewed from this source for any purpose, but reproduction or distribution in any format is prohibited without written permission. Contact libraryquestions@baylor.edu for inquiries about permission."]}]},{"id":"identifiers","label":"Identifiers","entries":[{"key":"dc:identifier.uri","label":"Identifier URI","values":["https://hdl.handle.net/2104/8822"]}]},{"id":"additional","label":"Additional Metadata","entries":[{"key":"dc:description.abstract","label":"Abstract","values":["Two Canyon Group (late-Pennsylvanian, Missourian) multistory, polygenetic paleosol intervals in north-central Texas, USA record complex paleoclimatic and paleohydrologic histories. Both paleosol intervals show evidence for initial development under well-drained conditions (illuviated clay, pedogenic calcite nodules, high-chroma matrix colors) and are overprinted by features that indicate poorer drained conditions (gley matrix colors, pedogenic siderite), however overprinting occurred through rapid transgression in one paleosol and gradual sea-level rise in the other. Reconstructed physical and wet chemical soil properties indicate these paleosols were finely textured, fertile, and void of salinity problems. Paleoatmospheric pCO₂ estimates from the δ¹³C values of pedogenic calcite nodules indicate values near pre-industrial levels (360ppmV), which are in agreement with previously published proxy and modeling results. This study shows that despite multiple episodes of overprinting, a detailed paleoclimatic and paleohydrologic history can be reconstructed from paleosols using careful macro and micromorphological observations."]},{"key":"dc:format.mimetype","label":"Dc Format Mimetype","values":["application/pdf"]},{"key":"dc:title","label":"Title","values":["Detailed paleoclimatic records from late Pennsylvanian polygenetic paleosols : north-central Texas, USA."]}]}],"canonical_facts":{"dc:contributor.advisor":["Driese, Steven G."],"dc:creator":["Culbertson, Amos."],"dc:date.accessioned":["2013-09-24T14:14:11Z"],"dc:date.available":["2013-09-24T14:14:11Z"],"dc:date.issued":["2013-09"],"dc:description.abstract":["Two Canyon Group (late-Pennsylvanian, Missourian) multistory, polygenetic paleosol intervals in north-central Texas, USA record complex paleoclimatic and paleohydrologic histories. Both paleosol intervals show evidence for initial development under well-drained conditions (illuviated clay, pedogenic calcite nodules, high-chroma matrix colors) and are overprinted by features that indicate poorer drained conditions (gley matrix colors, pedogenic siderite), however overprinting occurred through rapid transgression in one paleosol and gradual sea-level rise in the other. Reconstructed physical and wet chemical soil properties indicate these paleosols were finely textured, fertile, and void of salinity problems. Paleoatmospheric pCO₂ estimates from the δ¹³C values of pedogenic calcite nodules indicate values near pre-industrial levels (360ppmV), which are in agreement with previously published proxy and modeling results. This study shows that despite multiple episodes of overprinting, a detailed paleoclimatic and paleohydrologic history can be reconstructed from paleosols using careful macro and micromorphological observations."],"dc:format.mimetype":["application/pdf"],"dc:identifier.uri":["https://hdl.handle.net/2104/8822"],"dc:language.iso":["en"],"dc:rights":["Baylor University works are protected by copyright. They may be viewed from this source for any purpose, but reproduction or distribution in any format is prohibited without written permission. Contact libraryquestions@baylor.edu for inquiries about permission."],"dc:subject":["Paleosols.","Late Pennsylvanian.","Paleoclimate.","Central Texas.","Paleohydrology."],"dc:title":["Detailed paleoclimatic records from late Pennsylvanian polygenetic paleosols : north-central Texas, USA."],"dc:type":["Thesis"],"thesis:degree_level":["Masters"],"thesis:degree_name":["M.S."],"thesis:institution_name":["Baylor University."]},"updated_at":"2026-07-24T01:08:16Z"}