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Olson

ID #096
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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 Originated by a clockwise rotation of the structures as a consequence of the differential and larger southern displacement of the South Pyrenean thrust sheets located further to the east where the Triassic evaporitic section was thicker (see Cámara, 2017).

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 96
Name Olson
Structure type Evaporite-cored anticline
Deformed/Undeformed Deformed
Buried/Outcropping Buried
Geological setting Southern Pyrenees
Geological Regional Setting Graus-Tremp Basin
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-Anhydrite
Post-kinematic unit/s (or post-evaporite units when evaporites are undeformed) Priabonian-Oligocene (Campodarbe Fm., sandstones and claystones) ; Oligocene (Graus Fm., conglomerates) ; Quaternary (alluvial and colluvial detrital deposits)
Post-kinematic unit/s age (or post-evaporite units when evaporites are undeformed) Priabonian-Holocene
Classification (Hudec and Jackson, 2009) Thrust piercement / Ductile piercement
Classification (Jackson and Talbot, 1986) Salt anticline
Mining activity? N
Mining activity start
Mining activity end
Mining galleries?
Mining products
Mining sub-products
Evaporite flow? Y
Age of evaporite flow Lutetian-Bartonian
Flow or deformation triggering mechanisms Clockwise rotation of the structures as a consequence of the differential and larger southern displacement of the South Pyrenean thrust sheets located further to the east where the Triassic evaporitic section was thicker (see Cámara & Klimowitz, 1985; Mochales et al., 2012)
Flow-linked structures? Y
Halokinetic structures Thrust faults / thickness variations / joints / progressive unconformities
Post-evaporite and pre-kinematic unit/s (overbuden) Upper Cenomanian-Lower Santonian («Calcaires des Canyons», limestones) ; Upper Santonian-Maastrichtian (limestones and calcarenites) ; Palaeocene (Garumnian, shales, mudstones, limestones) ; Illerdian (Alveolinid Limestone) ; Lower Eocene ((illaris, Metils, and Yeba Fms., marlstones and limestones)
Syn-kinematic unit/s Early-Middle Lutetian (San Vicente Fm., shales, marlstones, sandstones, brecchias) ; Middle-Late Lutetian (Sobrarbe Fm., mudstones, shales and sandstones ) ; Late Lutetian-Bartonian (Escanilla Fm., sandstones and conglomerates)
Available seismic profiles SP-14 / SP-1 / SP-11 / SP-14 / SP-17 / SP-54 / SP-66 / SP-2 / SP-12 / SP-16 / SP-1 / SP-11 / SP-34 / SP-54 / SP-54 / SP-17 / SP-34 / SP-54 / SP-57 / SP-17 / SP-34
Available boreholes MONDOT
Additional comments Originated by a clockwise rotation of the structures as a consequence of the differential and larger southern displacement of the South Pyrenean thrust sheets located further to the east where the Triassic evaporitic section was thicker (see Cámara, 2017).

Mining Data

UNIQUE_ID 96
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 96
Outcropping area (km2) Buried
Horizontal intersection area (km2) (when buried) 8.6111
Depth of intersection area (km2) (when buried) 2.5
Max. Width (Km) 7.45245774
Max. Length (Km) 1.91777918
Max. Evaporites thickness (km) 0.9
Max. Deformation age (Ma) 47
Min. Deformation age (Ma) 37
Deformation stages 1

Reference Data

UNIQUE_ID 96
Section source Cámara, P., Flinch, J. F., 2017. The southern Pyrenees: a salt-based fold-and-thrust belt. In Permo-Triassic Salt Provinces of Europe, North Africa and the Atlantic Margins (pp. 395-415). Elsevier. [link]
Well / Borehole 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]
Well / Borehole availability #2 Cámara, P., Flinch, J. F., 2017. The southern Pyrenees: a salt-based fold-and-thrust belt. In Permo-Triassic Salt Provinces of Europe, North Africa and the Atlantic Margins (pp. 395-415). Elsevier. [link]
Available data (Stratigraphy) #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]
Available data (Stratigraphy) #2 Bayliss, N. J., Pickering, K. T., 2015. Deep-marine structurally confined channelised sandy fans: middle eocene morillo system, Ainsa basin, Spanish pyrenees. Earth-Science Reviews, 144, 82-106. [link]
Available data (Stratigraphy) #3 Holl, J. E., Anastasio, D. J., 1993. Paleomagnetically derived folding rates, southern Pyrenees, Spain. Geology, 21(3), 271-274. [link]
Available data (Stratigraphy) #4 Salvini, F., Storti, F., 2002. Three-dimensional architecture of growth strata associated to fault-bend, fault-propagation, and décollement anticlines in non-erosional environments. Sedimentary Geology, 146(1-2), 57-73. [link]
Available data (Stratigraphy) #5 Teixell, A., Barnolas, A., 1995. Significado de la discordancia de Mediano en relación con las estructuras adyacentes (Eoceno, Pirineo Central). Geogaceta, 18, 34-37. [link]
Available data (Stratigraphy) #6 Mochales, T., Barnolas, A., Pueyo, E. L., Serra-Kiel, J., Casas, A. M., Samsó, J. M., …, Sanjuán, J., 2012. Chronostratigraphy of the Boltaña anticline and the Ainsa Basin (southern Pyrenees). GSA Bulletin, 124(7-8), 1229-1250. [link]
Regional Stratigraphy Santolaria, P., Ayala, C., Pueyo, E. L., Rubio, F. M., Soto, R., Calvín, P., …, Casas‐Sainz, A. M., 2020. Structural and geophysical characterization of the western termination of the South Pyrenean triangle zone. Tectonics, 39(8), e2019TC005891. [link]
Seismic data availability #1 Fernández, O., Muñoz, J. A., Arbués, P., Falivene, O., 2012. 3D structure and evolution of an oblique system of relaying folds: the Ainsa basin (Spanish Pyrenees). Journal of the Geological Society, 169(5), 545-559. [link]
Seismic data availability #2 Muñoz, J. A., Beamud, E., Fernández, O., Arbués, P., Dinarès‐Turell, J., Poblet, J., 2013. The Ainsa Fold and thrust oblique zone of the central Pyrenees: Kinematics of a curved contractional system from paleomagnetic and structural data. Tectonics, 32(5), 1142-1175. [link]
Seismic data availability #3 n.a.
Available data (Structure) #1 Muñoz, J. A., Beamud, E., Fernández, O., Arbués, P., Dinarès‐Turell, J., Poblet, J., 2013. The Ainsa Fold and thrust oblique zone of the central Pyrenees: Kinematics of a curved contractional system from paleomagnetic and structural data. Tectonics, 32(5), 1142-1175. [link]
Available data (Structure) #2 Fernández, O., Muñoz, J. A., Arbués, P., Falivene, O., 2012. 3D structure and evolution of an oblique system of relaying folds: the Ainsa basin (Spanish Pyrenees). Journal of the Geological Society, 169(5), 545-559. [link]
Available data (Structure) #3 Rodríguez-Pintó, A., Pueyo, E. L., Calvín, P., Sánchez, E., Ramajo, J., Casas, A. M., …, Román, T., 2016. Rotational kinematics of a curved fold: The Balzes anticline (Southern Pyrenees). Tectonophysics, 677, 171-189. [link]
Available data (Structure) #4 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 (Structure) #5 Cámara, P., Flinch, J. F., 2017. The southern Pyrenees: a salt-based fold-and-thrust belt. In Permo-Triassic Salt Provinces of Europe, North Africa and the Atlantic Margins (pp. 395-415). Elsevier. [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 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 (Gravimetry – Tomography) #2 Calvín, P., Santolaria, P., Casas, A. M., Pueyo, E. L., 2018. Detachment fold vs. ramp anticline: a gravity survey in the southern Pyrenean front (External Sierras). Geological Journal, 53(1), 178-190. [link]
Available data (Gravimetry – Tomography) #3 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 (Geochemistry) #1 Salvany, J. M., Bastida, J., 2004. Análisis litoestratigráfico del Keuper surpirenaico central. Revista de la Sociedad Geológica de España, 17(1), 3-26. [link]
Available data (Geochemistry) #2 n.a.
Available data (Geochemistry) #3 n.a.
Available data (Geochemistry) #4 n.a.
Available data (Petrophysics) #1 Rodríguez-Pintó, A., Pueyo, E. L., Calvín, P., Sánchez, E., Ramajo, J., Casas, A. M., …, Román, T., 2016. Rotational kinematics of a curved fold: The Balzes anticline (Southern Pyrenees). Tectonophysics, 677, 171-189. [link]
Available data (Petrophysics) #2 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]
IGME Geological Map (MAGNA50) Sheet number 249-Alquezar (Unpublished)
Other Maps #1 (source) Mochales, T., Pueyo, E. L., Casas, A. M., Barnolas, A., 2010. Kinematic approach by means of AMS study in the Boltaña anticline (southern Pyrenees). Trabajos de Geología, 30, 87-95. [link]
Other Maps #2 (source) Muñoz, J. A., Beamud, E., Fernández, O., Arbués, P., Dinarès‐Turell, J., Poblet, J., 2013. The Ainsa Fold and thrust oblique zone of the central Pyrenees: Kinematics of a curved contractional system from paleomagnetic and structural data. Tectonics, 32(5), 1142-1175. [link]
Other related references #1 Cosma, M., Finotello, A., Ielpi, A., Ventra, D., Oms, O., D’Alpaos, A., Ghinassi, M., 2020. Piracy-controlled geometry of tide-dominated point bars: Combined evidence from ancient sedimentary successions and modern channel networks. Geomorphology, 370, 107402. [link]
Other related references #2 Poblet, J., 2020. Cartographic pattern of terminations of simple, parallel fault-bend folds, fault-propagation folds and detachment folds. Journal of Structural Geology, 138, 104135. [link]
Other related references #3 Jurado, M. J., Müller, B., 1997. Contemporary tectonic stress in northeastern Iberia. New results from borehole breakout analysis. Tectonophysics, 282(1-4), 99-115. [link]
Other related references #4 Izquierdo‐Llavall, E., Casas‐Sainz, A. M., Oliva‐Urcia, B., Villalaín, J. J., Pueyo, E., Scholger, R., 2018. Rotational kinematics of basement antiformal stacks: Paleomagnetic study of the western Nogueras Zone (Central Pyrenees). Tectonics, 37(10), 3456-3478. [link]