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Urnieta-Hernani

ID #090
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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 Txoritokieta-Astigarraga (ID #089), Urnieta-Hernani and Oiartzun (ID #091) diapirs are nowadays located along the trace of ancient basement faults, probably denoting the preferential migration of the decollement halokinetic layer towards them (see Bodego et al., 2014)

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 90
Name Urnieta-Hernani
Structure type Evaporite-cored anticline
Deformed/Undeformed Deformed
Buried/Outcropping Outcropping
Geological setting Basque-Cantabrian Basin
Geological Regional Setting Basque Arc
Evaporite unit/s name Keuper facies
Evaporite unit/s age Carnian-Rhaetian (Upper Triassic)
Evaporite unit/s era Mesozoic
Evaporite unit/s origin Marine
Evaporite unit/s composition Red Claystones-Gypsum-Halite
Post-kinematic unit/s (or post-evaporite units when evaporites are undeformed) Middle-Upper Cenomanian (hemipelagic limestones and marls, turbiditic sandstones) ; Quaternary (alluvial and colluvial detrital deposits)
Post-kinematic unit/s age (or post-evaporite units when evaporites are undeformed) Upper Cretaceous-Holocene
Classification (Hudec and Jackson, 2009) Ductile piercement
Classification (Jackson and Talbot, 1986) Salt wall
Mining activity? Y
Mining activity start
Mining activity end Active
Mining galleries? N
Mining products Limestone (other uses)
Mining sub-products –
Evaporite flow? Y
Age of evaporite flow Upper Albian-Lower Cenomanian
Flow or deformation triggering mechanisms Cretaceous rifting of the Basque-Cantabrian basin
Flow-linked structures? Y
Halokinetic structures Normal faults / progressive unconformities / anticline-syncline folding
Post-evaporite and pre-kinematic unit/s (overbuden) Jurassic (micritic limestones, marlstones and marly limestones) ; Neocomian («serpulid» limestones) ; Lower Aptian (Errenaga Fm., mudstones, limestones, sandstones and wackestones) ; Upper Aptian-Lower Albian (Burunzta limestone Fm., limestones and calcarenites); Early Upper Albian (Azkorte and Abalotz Fms., sandstones, claystones) Early Upper Albian (Oriamendi Fm., mudstones and sandstones)
Syn-kinematic unit/s Upper Albian-Lower Cenomanian (Kostartzu and Lasarte Fms., breccia and megabreccias, sandstones, limestones and mudstones)
Available seismic profiles BR-34 / BR-35-PR / BR-39 / BR-32 / BR-34 / BR-32 / BR-39 / BR-35-PR /
Available boreholes
Additional comments Txoritokieta-Astigarraga, Urnieta-Hernani and Oiartzun diapirs are nowadays located along the trace of ancient basement faults, probably denoting the preferential migration of the decollement halokinetic layer towards them (see Bodego et al., 2014)

Mining Data

UNIQUE_ID 90
Minning exploitations within <2km? Y
Historical/Active Active
Exploitation name #1 SAN JOSE
Exploitation ID (Spanish National Mining Cadastre) #1 4745
Municipality #1 Urnieta
Province #1 GUIPUZCOA
Company #1 AIZKIBEL, SA
Main minning Products #1 Limestone (other uses)
Exploitation name #2 BURUNTZA
Exploitation ID (Spanish National Mining Cadastre) #2 4642
Municipality #2 Andoain
Province #2 GUIPUZCOA
Company #2 SOCIEDAD FINANCIERA Y MINERA, S.A.
Main minning Products #2 Limestone (other uses)
Exploitation name #3 ARROBIETA ARAMBURU
Exploitation ID (Spanish National Mining Cadastre) #3 4643
Municipality #3 Andoain
Province #3 GUIPUZCOA
Company #3 SOCIEDAD FINANCIERA Y MINERA, S.A.
Main minning Products #3 Marlstone

Quantitative Data

UNIQUE_ID 90
Outcropping area (km2) 4.91112
Horizontal intersection area (km2) (when buried) Not buried
Depth of intersection area (km2) (when buried) Not buried
Max. Width (Km) 7.30947249
Max. Length (Km) 3.5066239
Max. Evaporites thickness (km) 0.4
Max. Deformation age (Ma) 106
Min. Deformation age (Ma) 98
Deformation stages 1

Reference Data

UNIQUE_ID 90
Section source Bodego, A., Iriarte, E., López-Horgue, M. A., Álvarez, I., 2018. Rift-margin extensional forced folds and salt tectonics in the eastern Basque-Cantabrian rift basin (western Pyrenees). Marine and Petroleum Geology, 91, 667-682. [link]
Well / Borehole availability #1 n.a.
Well / Borehole availability #2 n.a.
Available data (Stratigraphy) #1 Bodego, A., Iriarte, E., López-Horgue, M. A., Álvarez, I., 2018. Rift-margin extensional forced folds and salt tectonics in the eastern Basque-Cantabrian rift basin (western Pyrenees). Marine and Petroleum Geology, 91, 667-682. [link]
Available data (Stratigraphy) #2 Bodego, A., Agirrezabala, L. M., 2017. The Andatza coarse-grained turbidite system (westernmost Pyrenees): Stratigraphy, sedimentology and structural control. Estudios Geológicos, 73(1), 3. [link]
Available data (Stratigraphy) #3 Bodego, A., Iriarte, E., Agirrezabala, L. M., García-Mondéjar, J., López-Horgue, M. A., 2015. Synextensional mid-Cretaceous stratigraphic architecture of the eastern Basque–Cantabrian basin margin (western Pyrenees). Cretaceous Research, 55, 229-261. [link]
Available data (Stratigraphy) #4 Mathey, B., 1986. Les flyschs crétacé supérieur des Pyrénées basques: âge, anatomie, origine du matériel, milieu de dépôt et relations avec l’ouverture du Golfe de Gascogne. Memoires G eologique de l’Universit e de Dijon 12, 402. [link]
Available data (Stratigraphy) #5 Campos, J., 1979. Estudio geológico del Pirineo vasco al W del río Bidasoa. Munibe, SC Aranzadi, 31(1-2), 3-139. [link]
Available data (Stratigraphy) #6 Bodego, A., 2011. Evolución tectosedimentaria durante el Cretácico medio del borde noreste de la Cuenca Vasco-Cantábrica (Pirineo occidental) [Ph.D. thesis]: UPV/EHU, 317 pp. [link]
Regional Stratigraphy 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]
Seismic data availability #1 n.a.
Seismic data availability #2 n.a.
Seismic data availability #3 n.a.
Available data (Structure) #1 Bodego, A., Iriarte, E., López-Horgue, M. A., Álvarez, I., 2018. Rift-margin extensional forced folds and salt tectonics in the eastern Basque-Cantabrian rift basin (western Pyrenees). Marine and Petroleum Geology, 91, 667-682. [link]
Available data (Structure) #2 Bodego, A., Iriarte, E., Agirrezabala, L. M., García-Mondéjar, J., López-Horgue, M. A., 2015. Synextensional mid-Cretaceous stratigraphic architecture of the eastern Basque–Cantabrian basin margin (western Pyrenees). Cretaceous Research, 55, 229-261. [link]
Available data (Structure) #3 Iriarte, E., 2004. La Depresión Intermedia entre Leitza y Elizondo (Pirineo occidental): estratigrafía y relaciones tectónica-sedimentación durante el Cretácico [Ph.D. thesis]: UPV/EHU, 310pp. [link]
Available data (Structure) #4 Bodego, A., Agirrezabala, L. M., 2017. The Andatza coarse-grained turbidite system (westernmost Pyrenees): Stratigraphy, sedimentology and structural control. Estudios Geológicos, 73(1), 3. [link]
Available data (Structure) #5 Cámara, P., 2017. Salt and Strike-Slip Tectonics as Main Drivers in the Structural Evolution of the Basque-Cantabrian Basin, Spain. In Permo-Triassic Salt Provinces of Europe, North Africa and the Atlantic Margins (pp. 371-393). Elsevier. [link]
Available data (Structure) #6 n.a.
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 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) #2 n.a.
Available data (Gravimetry – Tomography) #3 n.a.
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 Iribar, V., Ábalos, B. 2011. The geochemical and isotopic record of evaporite recycling in spas and salterns of the Basque Cantabrian basin, Spain. Applied geochemistry, 26, 1315-1329. [link]
Available data (Geochemistry) #3 n.a.
Available data (Geochemistry) #4 n.a.
Available data (Petrophysics) #1 Llamas, B., Castañeda, M. C., Laín, C., Pous, J., 2017. Study of the Basque–Cantabrian basin as a suitable region for the implementation of an energy storage system based on compressed air energy storage (CAES). Environmental Earth Sciences, 76(5), 204. [link]
Available data (Petrophysics) #2 Soto, R., Beamud, E., Roca, E., Carola, E., Almar, Y., 2017. Distinguishing the effect of diapir growth on magnetic fabrics of syn-diapiric overburden rocks: Basque-Cantabrian basin, Northern Spain. Terra Nova 29, 191-201. http://dx.doi.org/10.1111/ter.12262
IGME Geological Map (MAGNA50) Sheet number 64-San Sebastián. [link]
Other Maps #1 (source) DeFelipe, I., Álvarez Pulgar, F. J., & Pedreira Rodríguez, D., 2018. Crustal structure of the Eastern Basque-Cantabrian Zone-western Pyrenees: from the Cretaceous hyperextension to the Cenozoic inversion. Revista de la Sociedad Geológica de España, 31 (2), 69-82. [link]
Other Maps #2 (source) Poprawski, Y., Basile, C., 2018. Long-lasting diapir growth history in the Basque-Cantabrian basin (Northern Spain): a review. Conference poster, Advances in Salt Tectonics: Observations, Applications, and Perspective: In Honor of Martin P.A. Jackson. [link]
Other related references #1 Cámara, P., 2020. Inverted turtle salt anticlines in the eastern basque-cantabrian basin, Spain. Marine and Petroleum Geology, 104358. [link]
Other related references #2 Ábalos, B., 2016. Geologic map of the Basque-Cantabrian Basin and a new tectonic interpretation of the Basque Arc. International Journal of Earth Sciences, 105, 2327-2354. [link]
Other related references #3 Serrano, A., Martínez del Olmo, W., 2004. Estructuras diapíricas de la zona meridional de la Cuenca Vasco-Cantábrica. In: Vera, J.A. (Ed.), Geología de España. Sociedad Geológica de España. Instituto Geológico y Minero de España, Madrid, pp. 334–338. [link]
Other related references #4 Martín-Chivelet, J., López-Gómez, J., Aguado, R., Arias, C., Arribas, J., Arribas, M. E., … , Casas-Sainz, A., 2019. The Late Jurassic–Early Cretaceous Rifting. In (Quesada C., Oliveira J., eds.): The Geology of Iberia: A Geodynamic Approach. Regional Geology Reviews. Springer, Cham. [link]