2020
DOI: 10.1016/j.marpetgeo.2019.104116
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Climatic control on stacking and connectivity of fluvial successions: Upper Cretaceous Bajo Barreal Formation of the Golfo San Jorge basin, Patagonia

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Cited by 11 publications
(11 citation statements)
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References 94 publications
(110 reference statements)
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“…Prosser, 1993;Serck & Braathen, 2019), whereas climatic forcing is reflected rather in well-logs by (cyclic) lithological variations, sandstone stacking patterns and varying clay mineral assemblages (e.g. Abels et al, 2013;Nystuen et al, 2014;Paredes et al, 2020). Inferred allogenic and autogenic controls on basin development are set in a context of regional studies (e.g.…”
Section: Alluvial Sedimentology and Terminologymentioning
confidence: 99%
“…Prosser, 1993;Serck & Braathen, 2019), whereas climatic forcing is reflected rather in well-logs by (cyclic) lithological variations, sandstone stacking patterns and varying clay mineral assemblages (e.g. Abels et al, 2013;Nystuen et al, 2014;Paredes et al, 2020). Inferred allogenic and autogenic controls on basin development are set in a context of regional studies (e.g.…”
Section: Alluvial Sedimentology and Terminologymentioning
confidence: 99%
“…Our results are slightly different to those obtained from the subsurface of the South Flank of the basin for the Late Cretaceous units (Limarino and Giordano, 2016), where provenance and geochemical data reveal at least three main sources of clasts. In the southern margin of the basin, the main source of particles was derived from fluvial systems transporting a large proportion of volcanic clasts linked to coeval Andean activity, with subordinate supply from the Precambrian basement and Jurassic volcanic units (Limarino and Giordano, 2016;Paredes et al, 2020).…”
Section: Provenance Areasmentioning
confidence: 99%
“…Recientemente, Paredes et al (2018Paredes et al ( , 2020Paredes et al ( , 2022 realizaron estudios sedimentológicos de detalle, los cuales fueron tomados como la base sobre la cual se estudiaron los paleosuelos en la presente tesis doctoral. Estos autores definieron dos secciones, Sección A en la base y Sección B al tope.…”
Section: La Formación Bajo Barrealunclassified
“…Posteriormente, mediante análisis de difracción de rayos X y perfiles de rayos de gamma espectral (SGR) sobre los depósitos pelíticos de la unidad, estos autores determinaron una reducción en el porcentaje de K + a través de la Sección A así como un aumento en el contenido de caolinita, mientras que para la Sección B observaron un aumento en la proporción de caolinita respecto a la Sección A, evidenciando un incremento en la meteorización bajo condiciones húmedas (Paredes et al, 2020(Paredes et al, , 2022. A su vez el estudio de los componentes detríticos de la Sección A indican varias fuentes volcánicas (componentes intermedios y básicos derivados del Grupo Bahía Laura del Jurásico medio y componentes ácidos de la Cordillera de los Andes), mientras que la Sección B se compone exclusivamente de componentes ácidos derivados de la Cordillera de los Andes (Paredes et al, 2020). Estos autores evidencian trenes climáticos hacia condiciones más cálidas y húmedas desde la Sección A hacia la Sección B (Paredes et al, 2020(Paredes et al, , 2022.…”
Section: La Formación Bajo Barrealunclassified
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