Extension in the Western Mediterranean

Galindo-Zaldı́var, Jesús; Braga, Juan C.; Marín‐Lechado, Carlos; Ercilla, Gemma; Martín, José Manuel Baltuille; Pedrera, Antonio; Casas, David; Aguirre, Julio; Ruíz-Constán, Ana; Estrada, Ferrán; Puga‐Bernabéu, Ángel; Galdeano, Carlos Sanz de; Juan, Carmen; García‐Alix, Antonio; Vázquez, Juan Tomás; Alonso, Belén

doi:10.1007/978-3-030-11190-8_3

Cited by 13 publications

(9 citation statements)

References 232 publications

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“…This is consistent with the size of clasts and the presence of Gastrochaenolites. The uplift hypothesis fits with the regional tectonic regime of the Betic Cordillera during the late Miocene (López-Garrido and Sanz de Galdeano, 1999;Galindo-Zaldívar et al, 2019) and explains the abrupt change from a relatively deep palaeoenvironment controlled by bottom currents, Unit 1, to a shallow one, Unit 2 and Unit 3.…”

Section: Composition and Texture Of The Sedimentsupporting

confidence: 65%

Mixed carbonate-siliciclastic contourite drift deposits associated with the entrance of an Atlantic-Mediterranean corridor (late Miocene, southwest Spain)

Reolid

Aguirre

Pérez-Asensio

et al. 2022

Sedimentary Geology

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Section: Composition and Texture Of The Sedimentsupporting

confidence: 65%

Mixed carbonate-siliciclastic contourite drift deposits associated with the entrance of an Atlantic-Mediterranean corridor (late Miocene, southwest Spain)

Reolid

Aguirre

Pérez-Asensio

et al. 2022

Sedimentary Geology

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“…(Fig. 2e) (Galdeano and Vera, 1992;Playà et al, 2000;Galindo-Zaldívar et al, 2019;García-Veigas et al, 2020, and references thereof). The Baza basin, the largest Neogene-Quaternary intramountain basin of the eastern Betic Chain, evolved from endorheic to exorheic after being captured by the drainage network of the Guadalquivir River since the latest middle Pleistocene (Gibert et al, 2007;García-Tortosa et al, 2008).…”

Section: Geological Settingmentioning

confidence: 93%

IESDB – The Iberian Evaporite Structure Database

González-Esvertit

Alcalde

Gomez‐Rivas

2022

Preprint

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Abstract. Evaporites flow in the solid state under relatively low differential stress, and have unique mechanical properties compared to other sedimentary rocks. Worldwide, they control the structural and stratigraphical architecture of many basins and orogens in ancient and active tectonic settings. Moreover, they host mineral deposits and play key roles in petroleum systems because they typically act as seals due to their low-permeability, and their flow produce structural hydrocarbon traps such as folds and faults in their encasing rocks. Additionally, evaporite structures can be used as subsurface storage sites for Geo-energy applications and nuclear waste. The systematic characterization of subsurface evaporite structures is thus key for the development of geoscience-based technologies to address societal challenges. Owing to their value, massive amounts of surface and subsurface information about (among others) the stratigraphy, structure, geochemistry, and petrophysical properties of evaporite structures and their surrounding rocks have been acquired by earth scientists, petroleum and mining exploration companies, and geological surveys. However, the data often appear segregated (i.e., in the form of database fragments, scientific articles and unpublished reports), not systematically organized, and sometimes not fully accessible. This contribution presents the Iberian Evaporite Structure DataBase (IESDB), the first comprehensive assessment that focuses on evaporite structures carried out in any region of the world. The IESDB includes information and figures for 150 evaporite structures and their surrounding rocks inventoried in Spain and Portugal, and is sourced from other six thematic databases and more than 1,500 published and unpublished scientific documents. The database targets undeformed to slightly deformed evaporite successions, outcropping and buried diapirs, evaporite-cored anticlines, evaporite-detached thrusts, and allochthonous evaporite bodies. Collated data include information about the structure, stratigraphy, event chronology, surface and subsurface data availability, mining activity, and key bibliographic references. The IESDB follows the FAIR principles of database management (Findable, Accessible, Interoperable and Reusable) and is presented as an interactive webpage and an open-access database, where indexed structures can easily be selected from a map or browser and filtered by a search engine. The IESBD intends to be a useful resource for teaching (i.e., pointing out examples of exceptional evaporite outcrops), academic and industry research (i.e., identifying knowledge deficits on specific structures or tectonic settings), and for the sustainable exploration and appraisal of mineral resources and Geo-Energy applications (i.e., representing a terminus a quo for site selection and suitability assessment). The framework provided by the IESDB is an opportunity to enhance the scientific research on Iberian evaporite structures in Spain and Portugal and to take advantage of their scientific and economic potential to tackle important societal challenges faced by these countries. The IESDB is freely available at https://iesdb.eu and the datasets can be downloaded from https://doi.org/10.20350/digitalCSIC/14586 (González-Esvertit et al., 2022).

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“…The thickness of the marine sedimentary infill in this basin is irregular and may attain 300 m (Ruiz-Constán et al, 2009). Gläser and Betzler, (2002) suggest facies partitioning due to the irregular relief of the basin, conditioned by folds active at least since the Late Miocene (Balanyá et al, 2007;Galindo-Zaldívar et al, 2019). Embayments in the complex paleogeography were protected from the terrigenous influx and favored carbonate deposition.…”

Section: Geological Settingmentioning

confidence: 95%

Trough cross-bedded rhodolith limestones in the Atlantic-linked Ronda Basin (Messinian, Southern Spain)

Braga

Aguirre

2022

Front. Earth Sci.

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Rhodolith limestones occur in the upper part of the Miocene infill of the Ronda Basin in southern Spain. This basin was an embayment at the southern margin of the Atlantic-linked Guadalquivir Basin, the foreland basin of the Betic Cordillera. Messinian rhodolith limestones crop out in the mesa of the Roman settlement Acinipo. They mostly consist of trough cross-bedded rhodolith rudstones, which change basinward to large-scale planar cross-bedded rhodolith rudstones, which in turn pass laterally to planar cross-bedded and flat-bedded bryozoan rudstones. Rhodoliths in rudstones are generally broken, exhibiting several phases of breakage and restarted growth of coralline algae. Many rhodoliths also show asymmetrical growth. The rudstone matrix is a packstone with fragments of coralline algae, bryozoans, calcitic bivalves, echinoids, and foraminifers. Large lithoclasts from the basement, heavily bored by bivalves, are common in the rhodolith rudstone, especially in the most massive type. Rhodolith characteristics and sedimentary structures suggest that trough cross-bedded rhodolith rudstones accumulated in submarine dunes moved by storm surges in a littoral wedge at the western side of a small bay (the Ruinas de Acinipo bay) in the Ronda Basin. Large-scale planar cross-bedded coralline algal and bryozoan rudstones formed in the foresets of the wedge progradation below the storm-wave base. The dominance of Lithophyllaceae and Hapalidiales, with scarce representatives of Corallinaceae in the coralline algal assemblages, reflects that Ronda and Guadalquivir basins opened to the Atlantic Ocean.

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Extension in the Western Mediterranean

Cited by 13 publications

References 232 publications

Mixed carbonate-siliciclastic contourite drift deposits associated with the entrance of an Atlantic-Mediterranean corridor (late Miocene, southwest Spain)

Mixed carbonate-siliciclastic contourite drift deposits associated with the entrance of an Atlantic-Mediterranean corridor (late Miocene, southwest Spain)

IESDB – The Iberian Evaporite Structure Database

Trough cross-bedded rhodolith limestones in the Atlantic-linked Ronda Basin (Messinian, Southern Spain)

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