Geometries and sedimentary heterogeneities in high sinuosity fluvial deposits: a case study from the Capella Formation (Middle Eocene, Graus-Tremp Basin)
The studied succession of the Middle Eocene Capella Formation in the Graus-Tremp Basin is characterized by high sinuosity fluvial deposits. The sedimentological logged section and the obtained outcrop digital model have allowed to identify up to 3 different facies associations. These include: 1) ch...
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Sociedad Geológica de España
2025-06-01
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| Series: | Geogaceta |
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| Online Access: | https://recyt.fecyt.es/index.php/geogaceta/article/view/108969 |
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| author | Marc Gil Ortiz Luis Miguel Yeste José Luis Cuevas Miguel López-Blanco Eider Rua-Alkain Patricia Cabello César Viseras |
| author_facet | Marc Gil Ortiz Luis Miguel Yeste José Luis Cuevas Miguel López-Blanco Eider Rua-Alkain Patricia Cabello César Viseras |
| author_sort | Marc Gil Ortiz |
| collection | DOAJ |
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The studied succession of the Middle Eocene Capella Formation in the Graus-Tremp Basin is characterized by high sinuosity fluvial deposits. The sedimentological logged section and the obtained outcrop digital model have allowed to identify up to 3 different facies associations. These include: 1) channel fill, 2) point bar and 3) overbank deposits, showing up to three different sand-prone geobody types. Vertically, the reservoir sand-prone geobodies are often disconnected one from each other by fine-grained facies, becoming potential vertical fluid flow barriers. However, horizontally, the geobodies are frequently connected due to channel incision over underlying sand prone geobodies, as well as by contact of crevasse splays and point bars with the main channel fills. The exceptional outcropping conditions of the studied section, make this formation as an excellent outcrop analogue for similar fluvial reservoirs with comparable features in the subsurface.
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| format | Article |
| id | doaj-art-8d4fc3ee57964bb69adb0964a9af208a |
| institution | DOAJ |
| issn | 0213-683X 2173-6545 |
| language | English |
| publishDate | 2025-06-01 |
| publisher | Sociedad Geológica de España |
| record_format | Article |
| series | Geogaceta |
| spelling | doaj-art-8d4fc3ee57964bb69adb0964a9af208a2025-08-20T03:16:17ZengSociedad Geológica de EspañaGeogaceta0213-683X2173-65452025-06-017710.55407/geogaceta108969Geometries and sedimentary heterogeneities in high sinuosity fluvial deposits: a case study from the Capella Formation (Middle Eocene, Graus-Tremp Basin)Marc Gil Ortiz0Luis Miguel Yeste1José Luis Cuevas2Miguel López-Blanco3Eider Rua-Alkain4Patricia Cabello5César Viseras6 Dpt. Mineralogia, Petrologia i Geologia Aplicada, Facultat de Ciències de la Terra, Universitat de BarcelonaSedimentary Reservoir Workgroup (SEDREGROUP), Dpto. Estratigrafía y Paleontología, Facultad de Ciencias, Universidad de GranadaDpt. Dinàmica de la Terra i de l’Oceà, Facultat de Ciències de la Terra, Universitat de Barcelona - Institut UB-Geomodels, Facultat de Ciències de la Terra, Universitat de BarcelonaDpt. Dinàmica de la Terra i de l’Oceà, Facultat de Ciències de la Terra, Universitat de Barcelona - Institut UB-Geomodels, Facultat de Ciències de la Terra, Universitat de BarcelonaDpt. Dinàmica de la Terra i de l’Oceà, Facultat de Ciències de la Terra, Universitat de Barcelona - Institut UB-Geomodels, Facultat de Ciències de la Terra, Universitat de BarcelonaDpt. Dinàmica de la Terra i de l’Oceà, Facultat de Ciències de la Terra, Universitat de Barcelona - Institut UB-Geomodels, Facultat de Ciències de la Terra, Universitat de BarcelonaSedimentary Reservoir Workgroup (SEDREGROUP), Dpto. Estratigrafía y Paleontología, Facultad de Ciencias, Universidad de Granada The studied succession of the Middle Eocene Capella Formation in the Graus-Tremp Basin is characterized by high sinuosity fluvial deposits. The sedimentological logged section and the obtained outcrop digital model have allowed to identify up to 3 different facies associations. These include: 1) channel fill, 2) point bar and 3) overbank deposits, showing up to three different sand-prone geobody types. Vertically, the reservoir sand-prone geobodies are often disconnected one from each other by fine-grained facies, becoming potential vertical fluid flow barriers. However, horizontally, the geobodies are frequently connected due to channel incision over underlying sand prone geobodies, as well as by contact of crevasse splays and point bars with the main channel fills. The exceptional outcropping conditions of the studied section, make this formation as an excellent outcrop analogue for similar fluvial reservoirs with comparable features in the subsurface. https://recyt.fecyt.es/index.php/geogaceta/article/view/108969Graus-Tremp basinCapella formation outcrop reservoir characterizationmeandering riversedimentary heterogeneity |
| spellingShingle | Marc Gil Ortiz Luis Miguel Yeste José Luis Cuevas Miguel López-Blanco Eider Rua-Alkain Patricia Cabello César Viseras Geometries and sedimentary heterogeneities in high sinuosity fluvial deposits: a case study from the Capella Formation (Middle Eocene, Graus-Tremp Basin) Geogaceta Graus-Tremp basin Capella formation outcrop reservoir characterization meandering river sedimentary heterogeneity |
| title | Geometries and sedimentary heterogeneities in high sinuosity fluvial deposits: a case study from the Capella Formation (Middle Eocene, Graus-Tremp Basin) |
| title_full | Geometries and sedimentary heterogeneities in high sinuosity fluvial deposits: a case study from the Capella Formation (Middle Eocene, Graus-Tremp Basin) |
| title_fullStr | Geometries and sedimentary heterogeneities in high sinuosity fluvial deposits: a case study from the Capella Formation (Middle Eocene, Graus-Tremp Basin) |
| title_full_unstemmed | Geometries and sedimentary heterogeneities in high sinuosity fluvial deposits: a case study from the Capella Formation (Middle Eocene, Graus-Tremp Basin) |
| title_short | Geometries and sedimentary heterogeneities in high sinuosity fluvial deposits: a case study from the Capella Formation (Middle Eocene, Graus-Tremp Basin) |
| title_sort | geometries and sedimentary heterogeneities in high sinuosity fluvial deposits a case study from the capella formation middle eocene graus tremp basin |
| topic | Graus-Tremp basin Capella formation outcrop reservoir characterization meandering river sedimentary heterogeneity |
| url | https://recyt.fecyt.es/index.php/geogaceta/article/view/108969 |
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