Neuquén Group (Upper Cretaceous): A case of underfilled-overfilled cycles in an Andean foreland basin, Neuquén basin, Argentina
The Nenquén Group was deposited during a period dominated by the Cretaceous Greenhouse and can be divided in three cycles correlated with large-scale changes in the evolution of the Andean foreland basin. The filling of the Neuquén Group is constituted by a complete cycle and two incomplete cycles o...
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2017
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| Acceso en línea: | https://bibliotecadigital.exactas.uba.ar/collection/paper/document/paper_08959811_v80_n_p444_Asurmendi http://hdl.handle.net/20.500.12110/paper_08959811_v80_n_p444_Asurmendi |
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paper:paper_08959811_v80_n_p444_Asurmendi2023-06-08T15:49:01Z Neuquén Group (Upper Cretaceous): A case of underfilled-overfilled cycles in an Andean foreland basin, Neuquén basin, Argentina Geological model High resolution stratigraphy Río colorado subgroup Río limay subgroup Río neuquén subgroup Albian basin evolution climate variation Cretaceous fold and thrust belt foreland basin mid-ocean ridge stratigraphy uplift Agrio Basin Andalucia Argentina Neuquen Basin Sevilla Spain The Nenquén Group was deposited during a period dominated by the Cretaceous Greenhouse and can be divided in three cycles correlated with large-scale changes in the evolution of the Andean foreland basin. The filling of the Neuquén Group is constituted by a complete cycle and two incomplete cycles of underfilled-overfilled, separated by first-order discontinuities assigned to the uplift of the Agrio fold-and-thrust belt during the Chasca/Catequil, Mid Ocean Ridge (CCMOR) collision, coinciding with first-order climatic changes within the Cretaceous greenhouse cycle. The Candeleros Formation in the base of this group was deposited in late underfilled conditions, showing prominent forebulge zones. It is demonstrated that during the Albian, with the cratonward migration of the uplifting forebulge zones, the axis of backbulge zones also migrated cratonwards and a wide uplifted forebulge zone was formed. On top, the Huincul Formation was deposited in an overfilled period without orogenic load, while the Cerro Lisandro Formation was deposited in early underfilled conditions with orogenic load. The Río Neuquén Subgroup started with a late underfilled period (Portezuelo Formation -second-order discontinuity), and after wards the Plottier Formation was deposited in an overfilled period without orogenic load. Finally, the Río Colorado Subgroup was deposited under late and early underfilled conditions (Bajo de la Carpa and Anacleto Formations respectively). © 2017 Elsevier Ltd 2017 https://bibliotecadigital.exactas.uba.ar/collection/paper/document/paper_08959811_v80_n_p444_Asurmendi http://hdl.handle.net/20.500.12110/paper_08959811_v80_n_p444_Asurmendi |
| institution |
Universidad de Buenos Aires |
| institution_str |
I-28 |
| repository_str |
R-134 |
| collection |
Biblioteca Digital - Facultad de Ciencias Exactas y Naturales (UBA) |
| topic |
Geological model High resolution stratigraphy Río colorado subgroup Río limay subgroup Río neuquén subgroup Albian basin evolution climate variation Cretaceous fold and thrust belt foreland basin mid-ocean ridge stratigraphy uplift Agrio Basin Andalucia Argentina Neuquen Basin Sevilla Spain |
| spellingShingle |
Geological model High resolution stratigraphy Río colorado subgroup Río limay subgroup Río neuquén subgroup Albian basin evolution climate variation Cretaceous fold and thrust belt foreland basin mid-ocean ridge stratigraphy uplift Agrio Basin Andalucia Argentina Neuquen Basin Sevilla Spain Neuquén Group (Upper Cretaceous): A case of underfilled-overfilled cycles in an Andean foreland basin, Neuquén basin, Argentina |
| topic_facet |
Geological model High resolution stratigraphy Río colorado subgroup Río limay subgroup Río neuquén subgroup Albian basin evolution climate variation Cretaceous fold and thrust belt foreland basin mid-ocean ridge stratigraphy uplift Agrio Basin Andalucia Argentina Neuquen Basin Sevilla Spain |
| description |
The Nenquén Group was deposited during a period dominated by the Cretaceous Greenhouse and can be divided in three cycles correlated with large-scale changes in the evolution of the Andean foreland basin. The filling of the Neuquén Group is constituted by a complete cycle and two incomplete cycles of underfilled-overfilled, separated by first-order discontinuities assigned to the uplift of the Agrio fold-and-thrust belt during the Chasca/Catequil, Mid Ocean Ridge (CCMOR) collision, coinciding with first-order climatic changes within the Cretaceous greenhouse cycle. The Candeleros Formation in the base of this group was deposited in late underfilled conditions, showing prominent forebulge zones. It is demonstrated that during the Albian, with the cratonward migration of the uplifting forebulge zones, the axis of backbulge zones also migrated cratonwards and a wide uplifted forebulge zone was formed. On top, the Huincul Formation was deposited in an overfilled period without orogenic load, while the Cerro Lisandro Formation was deposited in early underfilled conditions with orogenic load. The Río Neuquén Subgroup started with a late underfilled period (Portezuelo Formation -second-order discontinuity), and after wards the Plottier Formation was deposited in an overfilled period without orogenic load. Finally, the Río Colorado Subgroup was deposited under late and early underfilled conditions (Bajo de la Carpa and Anacleto Formations respectively). © 2017 Elsevier Ltd |
| title |
Neuquén Group (Upper Cretaceous): A case of underfilled-overfilled cycles in an Andean foreland basin, Neuquén basin, Argentina |
| title_short |
Neuquén Group (Upper Cretaceous): A case of underfilled-overfilled cycles in an Andean foreland basin, Neuquén basin, Argentina |
| title_full |
Neuquén Group (Upper Cretaceous): A case of underfilled-overfilled cycles in an Andean foreland basin, Neuquén basin, Argentina |
| title_fullStr |
Neuquén Group (Upper Cretaceous): A case of underfilled-overfilled cycles in an Andean foreland basin, Neuquén basin, Argentina |
| title_full_unstemmed |
Neuquén Group (Upper Cretaceous): A case of underfilled-overfilled cycles in an Andean foreland basin, Neuquén basin, Argentina |
| title_sort |
neuquén group (upper cretaceous): a case of underfilled-overfilled cycles in an andean foreland basin, neuquén basin, argentina |
| publishDate |
2017 |
| url |
https://bibliotecadigital.exactas.uba.ar/collection/paper/document/paper_08959811_v80_n_p444_Asurmendi http://hdl.handle.net/20.500.12110/paper_08959811_v80_n_p444_Asurmendi |
| _version_ |
1768546546289213440 |