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Adons

ID #044
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General Information

Structure type
Deformed/Undeformed
Geological Setting ,
Outcropping/buried
Evaporite unit/s name
Evaporite unit/s age
Evaporite unit/s origin
Classif. (Hudec and Jackson, 2009)
Classif. (Jackson and Talbot, 1986) ,
Age of evaporite flow or deformation (when deformed)
Other comments Also known as "Sant Gervàs" or "Lastarri weld". Post-late Santonian compressional overprinting: weld formation and partial downward salt flow into the source layer. Adons and Viu de Llevata diapirs are separated by a sub-vertical weld. Adons and Aulet diapirs are separated by a sub-vertical weld.

Location

Location

Map (detail)

Location
Location

Geological map

Location

Cross section

Location

Structure type (Hudec and Jackson, 2009)

Location

Regional Stratigraphy

Location

Other maps 1

Location

Other maps 2

Generic Data

Unique ID 44
Name Adons (Sant Gervàs, Lastarri weld)
Structure type Evaporite diapir
Deformed/Undeformed Deformed
Buried/Outcropping Outcropping
Geological setting Southern Pyrenees
Geological Regional Setting South Pyrenees Central Unit (Nogueres zone)
Evaporite unit/s name El Pont de Suert Fm. (Middle Muschelkalk and Keuper Facies)
Evaporite unit/s age Upper Anisian and Carnian-Rhaetian (Middle-Upper Triassic)
Evaporite unit/s era Mesozoic
Evaporite unit/s origin Marine
Evaporite unit/s composition Shale-Marlstone-Gypsum-Halite-Anhydrite-Ophites
Post-kinematic unit/s (or post-evaporite units when evaporites are undeformed) Cenomanian-Turonian (limestones and marlstones) ; Turonian-Campanian (limestones, marly limestones and turbiditic deposits) ; Quaternary (alluvial and colluvial detrital deposits)
Post-kinematic unit/s age (or post-evaporite units when evaporites are undeformed) Cenomanian-Holocene
Classification (Hudec and Jackson, 2009) Passive piercement
Classification (Jackson and Talbot, 1986) Salt roller (partially welded)
Mining activity? N
Mining activity start
Mining activity end
Mining galleries?
Mining products
Mining sub-products
Evaporite flow? Y
Age of evaporite flow Early Albian – Upper Cenomanian
Flow or deformation triggering mechanisms Gravity-driven and main development of the Sant Gervàs depocenter
Flow-linked structures? Y
Halokinetic structures Normal high-angle faults / thrust faults / joints / thickness variations
Post-evaporite and pre-kinematic unit/s (overbuden) Lower Jurassic (limestones and dolostones)
Syn-kinematic unit/s Albian-Cenomanian (grainstones) / Cenomanian (marls and limestones) / Upper Cenomanian (brecchias)
Available seismic profiles T-10 / T-21
Available boreholes SARROCA
Additional comments Post-late Santonian compressional overprinting: weld formation and partial downward salt flow into the source layer. Adons and Viu de Llevata diapirs are separated by a sub-vertical weld. Adons and Aulet diapirs are separated by a sub-vertical weld.

Mining Data

UNIQUE_ID 44
Minning exploitations within <2km? N
Historical/Active
Exploitation name #1
Exploitation ID (Spanish National Mining Cadastre) #1
Municipality #1
Province #1
Company #1
Main minning Products #1
Exploitation name #2
Exploitation ID (Spanish National Mining Cadastre) #2
Municipality #2
Province #2
Company #2
Main minning Products #2
Exploitation name #3
Exploitation ID (Spanish National Mining Cadastre) #3
Municipality #3
Province #3
Company #3
Main minning Products #3

Quantitative Data

UNIQUE_ID 44
Outcropping area (km2) 8.63834
Horizontal intersection area (km2) (when buried) Not buried
Depth of intersection area (km2) (when buried) Not buried
Max. Width (Km) 8.46006233
Max. Length (Km) 4.11591163
Max. Evaporites thickness (km)
Max. Deformation age (Ma) 113
Min. Deformation age (Ma) 93
Deformation stages 1

Reference Data

UNIQUE_ID 44
Section source Dalton, C. E. G., 2019. Stratigraphic and Structural Characterization and Evolution of Exposed Megaflaps Flanking Salt Diapirs [Ph.D. thesis]: The University of Texas, El Paso, 273 pp. [link]
Well / Borehole availability #1 Saura, E., Ardèvol i Oró, L., Teixell, A., Vergés, J., 2016. Rising and falling diapirs, shifting depocenters, and flap overturning in the Cretaceous Sopeira and Sant Gervàs subbasins (Ribagorça Basin, southern Pyrenees). Tectonics, 35(3), 638-662. [link]
Well / Borehole availability #2 Ardèvol, L., Klimowitz, J., Malagón, J., Nagtegaal, P. J., 2000. Depositional sequence response to foreland deformation in the Upper Cretaceous of the Southern Pyrenees, Spain. AAPG bulletin, 84(4), 566-587. [link]
Available data (Stratigraphy) #1 Martín-Chivelet, J., Floquet, M., García-Senz, J., Callapez, P. M., López-Mir, B., Muñoz, J. A., Barroso-Barcenilla, F., Segura, M., Ferrerira-Soares, A., Morgado, P., Marques, J. F., Arbués, P., 2019. Late Cretaceous Post-Rift to Convergence in Iberia. In The Geology of Iberia: A Geodynamic Approach (pp. 285-376). Springer, Cham. https://doi.org/10.1007/978-3-030-11295-0_7
Available data (Stratigraphy) #2 Dalton, C. E. G., 2019. Stratigraphic and Structural Characterization and Evolution of Exposed Megaflaps Flanking Salt Diapirs [Ph.D. thesis]: The University of Texas, El Paso, 273 pp. [link]
Available data (Stratigraphy) #3 Caus, E., Teixell, A., Bernaus, J. M., 1997. Depositional model of a Cenomanian-Turonian extensional basin (Sopeira Basin, NE Spain): interplay between tectonics, eustasy and biological productivity. Palaeogeography, Palaeoclimatology, Palaeoecology, 129(1-2), 23-36. [link]
Available data (Stratigraphy) #4 Saura, E., Ardèvol i Oró, L., Teixell, A., Vergés, J., 2016. Rising and falling diapirs, shifting depocenters, and flap overturning in the Cretaceous Sopeira and Sant Gervàs subbasins (Ribagorça Basin, southern Pyrenees). Tectonics, 35(3), 638-662. [link]
Available data (Stratigraphy) #5 García-Senz, J., 2003. Cuencas extensivas del Cretácico Inferior en los Pirineos centrales, formación y subsecuente inversión [Ph.D. thesis]: Universitat de Barcelona, Barcelona, 310pp. [link]
Available data (Stratigraphy) #6 Rosell, J., 1967. Estudio geológico del sector del Prepirineo comprendido entre los ríos Segre y Noguera Ribagorzana (Prov. de Lérida). Pirineos, 21, 214, Consejo Superior de Investigaciones Científicas, Madrid. [link]
Regional Stratigraphy Dalton, C. E. G., 2019. Stratigraphic and Structural Characterization and Evolution of Exposed Megaflaps Flanking Salt Diapirs [Ph.D. thesis]: The University of Texas, El Paso, 273 pp. [link]
Seismic data availability #1 Muñoz, J. A., Mencos, J., Roca, E., Carrera, N., Gratacós, O., Ferrer, O., Fernández, O., 2018. The structure of the South-Central-Pyrenean fold and thrust belt as constrained by subsurface data. Geologica Acta, 16(4), 439-460. [link]
Seismic data availability #2 Teixell, A., Muñoz, J. A., 2000. Evolución tectonosedimentaria del Pirineo meridional durante el Terciario: una síntesis basada en la transversal del río Noguera Ribagorçana. Revista de la Sociedad Geológica de España, 13(2), 251-264. [link]
Seismic data availability #3 n.a.
Available data (Structure) #1 Dalton, C. E. G., 2019. Stratigraphic and Structural Characterization and Evolution of Exposed Megaflaps Flanking Salt Diapirs [Ph.D. thesis]: The University of Texas, El Paso, 273 pp. [link]
Available data (Structure) #2 Saura, E., Ardèvol i Oró, L., Teixell, A., Vergés, J., 2016. Rising and falling diapirs, shifting depocenters, and flap overturning in the Cretaceous Sopeira and Sant Gervàs subbasins (Ribagorça Basin, southern Pyrenees). Tectonics, 35(3), 638-662. [link]
Available data (Structure) #3 Cámara, P., Flinch, J. F., 2017. The southern Pyrenees: a salt-based fold-and-thrust belt. In Juan I. Soto, Joan F. Flinch, Gabor Tari (eds.): Permo-Triassic Salt Provinces of Europe, North Africa and the Atlantic Margins, Elsevier, pp. 395-415. [link]
Available data (Structure) #4 Teixell, A., Muñoz, J. A., 2000. Evolución tectonosedimentaria del Pirineo meridional durante el Terciario: una síntesis basada en la transversal del río Noguera Ribagorçana. Revista de la Sociedad Geológica de España, 13(2), 251-264. [link]
Available data (Structure) #5 Caus, E., Teixell, A., Bernaus, J. M., 1997. Depositional model of a Cenomanian-Turonian extensional basin (Sopeira Basin, NE Spain): interplay between tectonics, eustasy and biological productivity. Palaeogeography, Palaeoclimatology, Palaeoecology, 129(1-2), 23-36. [link]
Available data (Structure) #6 Muñoz, J. A., Mencos, J., Roca, E., Carrera, N., Gratacós, O., Ferrer, O., Fernández, O., 2018. The structure of the South-Central-Pyrenean fold and thrust belt as constrained by subsurface data. Geologica Acta, 16(4), 439-460. [link]
Available data (Analogue modelling) #1 n.a.
Available data (Analogue modelling) #2 n.a.
Available data (Analogue modelling) #3 n.a.
Available data (Gravimetry – Tomography) #1 ICGC, 2012. Mapa Gravimètric de Catalunya 1:500.000. Barcelona, Servei Geològic de Catalunya. [link]
Available data (Gravimetry – Tomography) #2 Ayala, C., Bohoyo, F., Maestro, A., Reguera, M. I., Torne, M., Rubio, F., Fernández, M., García-Lobón, J. L., 2016. Updated Bouguer anomalies of the Iberian Peninsula: a new perspective to interpret the regional geology. Journal of Maps, 12(5), 1089-1092. [link]
Available data (Gravimetry – Tomography) #3 Pedrera, A., García‐Senz, J., Ayala, C., Ruiz‐Constán, A., Rodríguez‐Fernández, L. R., Robador, A., González Menéndez, L., 2017. Reconstruction of the exhumed mantle across the North Iberian Margin by crustal‐scale 3‐D gravity inversion and geological cross section. Tectonics, 36, 3155-3177. [link]
Available data (Geochemistry) #1 Ortí, F., García-Veigas, J., Rossell, L., Jurado, M. J., Utrilla, R., 1996. Formaciones salinas de las cuencas triásicas en la Península Ibérica: Caracterización Petrológica y Geoquímica. Cuadernos de Geología Ibérica, 20, 13-35. [link]
Available data (Geochemistry) #2 n.a.
Available data (Geochemistry) #3 n.a.
Available data (Geochemistry) #4 n.a.
Available data (Petrophysics) #1 Santolaria, P., Casas-Sainz, A. M., Soto, R., Casas, A., 2017. Gravity modelling to assess salt tectonics in the western end of the South Pyrenean Central Unit. Journal of the Geological Society, 174(2), 269-288. [link]
Available data (Petrophysics) #2 n.a.
IGME Geological Map (MAGNA50) Sheet number 214-Sort. [Unpublished]
Other Maps #1 (source) Dalton, C. E. G., 2019. Stratigraphic and Structural Characterization and Evolution of Exposed Megaflaps Flanking Salt Diapirs [Ph.D. thesis]: The University of Texas, El Paso, 273 pp. [link]
Other Maps #2 (source) Saura, E., Ardèvol i Oró, L., Teixell, A., Vergés, J., 2016. Rising and falling diapirs, shifting depocenters, and flap overturning in the Cretaceous Sopeira and Sant Gervàs subbasins (Ribagorça Basin, southern Pyrenees). Tectonics, 35(3), 638-662. [link]
Other related references #1 Lanaja, J. M., R. Querol, A. Navarro, 1987. Contribución de la Exploración Petrolífera al Conocimiento de la Geología de España, pp. 1–465, Instituto Geológico y Minero de España, Madrid. [link]
Other related references #2 Robert, R., Robion, P., Souloumiac, P., David, C., Saillet, E., 2018. Deformation bands, early markers of tectonic activity in front of a fold-and-thrust belt: Example from the Tremp-Graus basin, southern Pyrenees, Spain. Journal of Structural Geology, 110, 65-85. [link]
Other related references #3 Caus, E., Gómez-Garrido, A., Simó, A., Sofiano, K., 1993. Cenomanian-Turonian platform to basin integrated stratigraphy in the South Pyrenees (Spain). Cretaceous Research, 14(4-5), 531-551. [link]
Other related references #4 Saura, E., 2004. Estudi estructural de la zona de les Nogueres (Pirineus Centrals) [Ph.D. thesis]: Universitat de Barcelona, Barcelona, 106p. [link]