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 "Ondarroa diapir".

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 92
Name Mutriku
Structure type Evaporite diapir
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) Post-Upper Albian (sandy turbidites and black lutites)
Post-kinematic unit/s age (or post-evaporite units when evaporites are undeformed)
Classification (Hudec and Jackson, 2009) Thrust piercement
Classification (Jackson and Talbot, 1986) Salt wall
Mining activity? Y
Mining activity start
Mining activity end
Mining galleries?
Mining products Limestone (other uses)
Mining sub-products
Evaporite flow? Y
Age of evaporite flow Upper Albian
Flow or deformation triggering mechanisms Monoclinal syncline folding associated with the
high-angle reverse Mutriku fault
Flow-linked structures? Y
Halokinetic structures Normal faults / anticline-syncline folding
Post-evaporite and pre-kinematic unit/s (overbuden) Middle Albian (Berriatu Unit, black marls, clast-supported megabreccia, limestone breccia and turbiditic limestones) ( Late Middle Albian (Ondarroa Unit, sandstones, conglomerates, pebbly sandstone turbidites, silty lutites) ; Upper Albian (Mutriku Unit, muddy sandstones and sandy mudstones)
Syn-kinematic unit/s Alkolea Unit (megabreccia, marlstones and limestones with fragments from the underlying units)
Available seismic profiles ILIHA X-A / BR-7 / BR-47 / BR-7 / BR-47 / SBR-3PR, / SBR-3_PROL, / SBR-47 / BR-85-15 / BR-38 / BR-3_PROL / BR-85-13
Available boreholes ARNO-1 (ARN-1) / ITXASPE-02 (ITX-02) / ITXASPE-10 (ITX-10) / ITXASPE-12 (ITX-12) / ITXASPE-03 (ITX-03) / ITXASPE-08 (ITX-08) / DEBA-1 / DEBA-4 / DEBA-5 / DEBA-2 / DEBA-3 / DEBA-6 / DEBA-7 / ITXASPE-25 (ITX-25) / ITXASPE-36 (ITX-36)
Additional comments Also known as Ondarroa diapir

Mining Data

UNIQUE_ID 92
Minning exploitations within <2km? Y
Historical/Active Active
Exploitation name #1 OLATZ
Exploitation ID (Spanish National Mining Cadastre) #1 4662
Municipality #1 Mutriku
Province #1 GUIPUZCOA
Company #1 CONSTRUCCIONES ZUBIEDER S.L.
Main minning Products #1 Limestone (other uses)
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 92
Outcropping area (km2) 0.75373
Horizontal intersection area (km2) (when buried) Not buried
Depth of intersection area (km2) (when buried) Not buried
Max. Width (Km) 0.8
Max. Length (Km) 2.6
Max. Evaporites thickness (km)
Max. Deformation age (Ma) 105
Min. Deformation age (Ma) 100
Deformation stages 1

Reference Data

UNIQUE_ID 92
Section source Agirrezabala, L. M., Owen, H. G., García-Mondéjar, J., 2002. Syntectonic deposits and punctuated limb rotation in an Albian submarine transpressional fold (Mutriku village, Basque-Cantabrian basin, northern Spain). GSA Bulletin, 114(3), 281-297. [link]
Well / Borehole availability #1 n.a.
Well / Borehole availability #2 n.a.
Available data (Stratigraphy) #1 Agirrezabala, L. M., 2009. Mid‐Cretaceous hydrothermal vents and authigenic carbonates in a transform margin, Basque‐Cantabrian Basin (western Pyrenees): a multidisciplinary study. Sedimentology, 56(4), 969-996. [link]
Available data (Stratigraphy) #2 Agirrezabala, L. M., Owen, H. G., García-Mondéjar, J., 2002. Syntectonic deposits and punctuated limb rotation in an Albian submarine transpressional fold (Mutriku village, Basque-Cantabrian basin, northern Spain). GSA Bulletin, 114(3), 281-297. [link]
Available data (Stratigraphy) #3 Agirrezabala, L. M., 1996. El Aptiense-Albiense del Anticlinorio Nor-Vizcaíno entre Gernika y Azpeitia [PhD Thesis]: Euskal Herriko Unibertsitatea, Bilbo, 429 pp. [link]
Available data (Stratigraphy) #4 Dorronsoro, C., Agirrezabala, L. M., Fernández Mendiola, P. Á., Gómez Pérez, I., López Horgue, M. A., García Mondéjar, J., 1996. Análisis de hidrocarburos por cromatografía de gases en muestras albienses de la región Vasco-Cantábrica. Geogaceta, 16, 140-143. [link]
Available data (Stratigraphy) #5 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) #6 n.a.
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 Diaz, J., Gallart Muset, J., Córdoba, D., Senos, L., Matias, L., Suriñach, E., …, Maguire, P., 2020. The ILIHA deep seismic sounding experiment (Iberian LIthosphere Heterogeneity and Anisotropy). DigitalCSIC – SEISDARE data repository. [link]
Seismic data availability #2 n.a.
Seismic data availability #3 n.a.
Available data (Structure) #1 Agirrezabala, L. M., Owen, H. G., García-Mondéjar, J., 2002. Syntectonic deposits and punctuated limb rotation in an Albian submarine transpressional fold (Mutriku village, Basque-Cantabrian basin, northern Spain). GSA Bulletin, 114(3), 281-297. [link]
Available data (Structure) #2 Agirrezabala, L. M., 2009. Mid‐Cretaceous hydrothermal vents and authigenic carbonates in a transform margin, Basque‐Cantabrian Basin (western Pyrenees): a multidisciplinary study. Sedimentology, 56(4), 969-996. [link]
Available data (Structure) #3 Roca, E., Ferrer, O., Rowan, M. G., Muñoz, J. A., Butillé, M., Giles, K. A., …, de Matteis, M., 2020. Salt tectonics and controls on halokinetic-sequence development of an exposed deepwater diapir: The Bakio Diapir, Basque-Cantabrian Basin, Pyrenees. Marine and Petroleum Geology, 104770. [link]
Available data (Structure) #4 Bodego, A., 2011. Evolución tectosedimentaria durante el Cretacico medio del borde noreste de la Cuenca Vasco-Cant abrica (Pirineo occidental) [Ph.D. thesis]: UPV/EHU, 317 pp. [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 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 (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 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 n.a.
Available data (Geochemistry) #3 n.a.
Available data (Geochemistry) #4 n.a.
Available data (Petrophysics) #1 n.a.
Available data (Petrophysics) #2 n.a.
IGME Geological Map (MAGNA50) Sheet number 63-Eibar. [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 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]
Other related references #2 n.a.
Other related references #3 n.a.
Other related references #4 n.a.