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10 results on '"Cunha, P.P"'

1. The Spanish-Portuguese Central System: An Example of Intense Intraplate Deformation and Strain Partitioning

Author

De Vicente Muñoz, Gerardo, Cunha, P.P., Muñoz Martín, Alfonso, Cloetingh, S.A.P.L., Olaiz Campos, Antonio José, Vegas Martínez, Ramón, De Vicente Muñoz, Gerardo, Cunha, P.P., Muñoz Martín, Alfonso, Cloetingh, S.A.P.L., Olaiz Campos, Antonio José, and Vegas Martínez, Ramón

Abstract

The intraplate deformation of Iberia during the Cenozoic produced a series of ranges and deformation belts with a wide variety of structural trends. The Spanish-Portuguese Central System is the most prominent feature crossing over the whole of central Iberia. It is a large thick-skinned crustal pop-up with NE-SW to E-W thrusts. However, the 500-km-long left-lateral strike-slip Messejana-Plasencia fault, also NE-SW oriented, bends these thrusts to produce NE-SW local paleostresses close to the fault, which seems to be consistent with a common deformational arrangement. This is also supported by the similar sedimentary infilling characteristics found in the surrounding Cenozoic basins. The moment of the maximum intraplate deformation is registered at the same time in all these basins during the upper Priabonian-lower Chattian. As there are two possible sources for the intraplate compressive stresses, the Pyrenean (N-S shortening) orogen to the north and the Betic (NW-SE shortening) orogen to the south, neither can simply explain both simultaneous movements (NE-SW strike-slip and NE-SW thrusting). The deduced age of the main deformation indicates a Pyrenean origin. In contrast, the concept of strain partitioning between the two types of faults gives as a result an overall north trending compression. Existing data do not support crustal detachment from the Betics neither from the Pyrenees but are consistent with a crustal uplift related to lithospheric folding. The subsequent Betic-related stress field only slightly reworked previously Pyrenean-related structures, except for the Portuguese sector, where tectonic activity occurred mainly in the Upper Miocene., Ministerio de Educación y Ciencia (MEC), Fac. de Ciencias Geológicas, TRUE, pub

Published
2018

2. The Spanish-Portuguese Central System: An Example of Intense Intraplate Deformation and Strain Partitioning

Author

De Vicente Muñoz, Gerardo, Cunha, P.P., Muñoz Martín, Alfonso, Cloetingh, S.A.P.L., Olaiz Campos, Antonio José, Vegas, Ramón, De Vicente Muñoz, Gerardo, Cunha, P.P., Muñoz Martín, Alfonso, Cloetingh, S.A.P.L., Olaiz Campos, Antonio José, and Vegas, Ramón

Abstract

The intraplate deformation of Iberia during the Cenozoic produced a series of ranges and deformation belts with a wide variety of structural trends. The Spanish-Portuguese Central System is the most prominent feature crossing over the whole of central Iberia. It is a large thick-skinned crustal pop-up with NE-SW to E-W thrusts. However, the 500-km-long left-lateral strike-slip Messejana-Plasencia fault, also NE-SW oriented, bends these thrusts to produce NE-SW local paleostresses close to the fault, which seems to be consistent with a common deformational arrangement. This is also supported by the similar sedimentary infilling characteristics found in the surrounding Cenozoic basins. The moment of the maximum intraplate deformation is registered at the same time in all these basins during the upper Priabonian-lower Chattian. As there are two possible sources for the intraplate compressive stresses, the Pyrenean (N-S shortening) orogen to the north and the Betic (NW-SE shortening) orogen to the south, neither can simply explain both simultaneous movements (NE-SW strike-slip and NE-SW thrusting). The deduced age of the main deformation indicates a Pyrenean origin. In contrast, the concept of strain partitioning between the two types of faults gives as a result an overall north trending compression. Existing data do not support crustal detachment from the Betics neither from the Pyrenees but are consistent with a crustal uplift related to lithospheric folding. The subsequent Betic-related stress field only slightly reworked previously Pyrenean-related structures, except for the Portuguese sector, where tectonic activity occurred mainly in the Upper Miocene., Ministerio de Educación y Ciencia (MEC), Fac. de Ciencias Geológicas, TRUE, pub

Published
2018

3. Seafloor environments on Madrid and El Cid mud volcanoes (Moroccan continental margin of the Gulf of Cádiz)

Author

Cunha, P.P, Dinis, P.M., Dias, J., Veríssimo, H., Duarte, L.V., Lopes, F.C., Bessa, A.F., Antunes, J., Fernández-Puga, María Carmen, Sánchez-Guillamón, Olga, Vázquez, Juan Tomás, López-González, Nieves, Palomino, Desirée, Somoza, Luis, Matureira, P., Fernández-Salas, L.M., González, Francisco Javier, Medialdea Cela, Teresa, Rueda, José Luis, León, R., Cunha, P.P, Dinis, P.M., Dias, J., Veríssimo, H., Duarte, L.V., Lopes, F.C., Bessa, A.F., Antunes, J., Fernández-Puga, María Carmen, Sánchez-Guillamón, Olga, Vázquez, Juan Tomás, López-González, Nieves, Palomino, Desirée, Somoza, Luis, Matureira, P., Fernández-Salas, L.M., González, Francisco Javier, Medialdea Cela, Teresa, Rueda, José Luis, and León, R.

Published
2018

4. Sedimentary facies associated with Anastasya and Tarsis mud volcano activity

Author

Cunha, P.P, Dinis, P.M., Dias, J., Veríssimo, H., Duarte, L.V., Lopes, F.C., Bessa, A.F., Antunes, J., Papachristopoulou, E., López-González, Nieves, Fernández-Puga, María Carmen, Palomino, Desirée, Fernández-Salas, L.M., Vázquez, Juan Tomás, Mata, María Pilar, Cunha, P.P, Dinis, P.M., Dias, J., Veríssimo, H., Duarte, L.V., Lopes, F.C., Bessa, A.F., Antunes, J., Papachristopoulou, E., López-González, Nieves, Fernández-Puga, María Carmen, Palomino, Desirée, Fernández-Salas, L.M., Vázquez, Juan Tomás, and Mata, María Pilar

Published
2018

5. Clustered carbonate mounds in the upper continental slope of the Alboran Sea

Author

Cunha, P.P, Dinis, P.M., Dias, J., Veríssimo, H., Duarte, L.V., Lopes, F.C., Bessa, A.F., Antunes, J., Sánchez-Guillamón, Olga, Rueda, José Luis, Gómez-Ballesteros, María, Urra, Javier, Wienberg, Claudia, Ercilla, Gemma, Vázquez, Juan Tomás, Moya-Urbano, Elena, Martín-Tapia, David, Hebbeln, Dierk, Fernández-Salas, L.M., Farrán, M., Cunha, P.P, Dinis, P.M., Dias, J., Veríssimo, H., Duarte, L.V., Lopes, F.C., Bessa, A.F., Antunes, J., Sánchez-Guillamón, Olga, Rueda, José Luis, Gómez-Ballesteros, María, Urra, Javier, Wienberg, Claudia, Ercilla, Gemma, Vázquez, Juan Tomás, Moya-Urbano, Elena, Martín-Tapia, David, Hebbeln, Dierk, Fernández-Salas, L.M., and Farrán, M.

Published
2018

6. Sedimentary record evidence of slope instability and mass movement deposits in the Portimão Bank (Gulf of Cadiz, SW Iberia)

Author

Cunha, P.P, Dinis, P.M., Dias, J., Veríssimo, H., Duarte, L.V., Lopes, F.C., Bessa, A.F., Antunes, J., Silva, P.F., Roque, Cristina, Drago, T., Alonso, Belén, Lopes, A., Vázquez, Juan Tomás, Casas, David, Lópéz, N., Ercilla, Gemma, Cunha, P.P, Dinis, P.M., Dias, J., Veríssimo, H., Duarte, L.V., Lopes, F.C., Bessa, A.F., Antunes, J., Silva, P.F., Roque, Cristina, Drago, T., Alonso, Belén, Lopes, A., Vázquez, Juan Tomás, Casas, David, Lópéz, N., and Ercilla, Gemma

Published
2018

7. The influence of the Atlantic Jet and the Mediterranean Waters (MW) on the Alboran Ridge, Western Mediterranean Sea

Author

Cunha, P.P, Dinis, P.M., Dias, J., Veríssimo, H., Duarte, L.V., Lopes, F.C., Bessa, A.F., Antunes, J., Bárcenas-Gascón, Patricia, Vázquez, Juan Tomás, Fernández-Salas, L.M., López-González, Nieves, García-Martínez, María del Carmen, Cunha, P.P, Dinis, P.M., Dias, J., Veríssimo, H., Duarte, L.V., Lopes, F.C., Bessa, A.F., Antunes, J., Bárcenas-Gascón, Patricia, Vázquez, Juan Tomás, Fernández-Salas, L.M., López-González, Nieves, and García-Martínez, María del Carmen

Published
2018

8. Giant depressions on Atlantic continental margins: Relationship with diapirs

Author

Cunha, P.P, Dinis, P.M., Dias, J., Veríssimo, H., Duarte, L.V., Lopes, F.C., Bessa, A.F., Antunes, J., Vázquez, Juan Tomás, Ercilla, Gemma, Somoza-Losada, Luis, Palomino, Desirée, Alonso, Aitor, Casas, D., Estrada, Ferrán, Fernández-Puga, M.C, Fernández-Salas, L.M., León, R., López-González, Nieves, Medialdea, Teresa, Sánchez-Guillamón, Olga, Cunha, P.P, Dinis, P.M., Dias, J., Veríssimo, H., Duarte, L.V., Lopes, F.C., Bessa, A.F., Antunes, J., Vázquez, Juan Tomás, Ercilla, Gemma, Somoza-Losada, Luis, Palomino, Desirée, Alonso, Aitor, Casas, D., Estrada, Ferrán, Fernández-Puga, M.C, Fernández-Salas, L.M., León, R., López-González, Nieves, Medialdea, Teresa, and Sánchez-Guillamón, Olga

Published
2018

9. Características bentónicas en el complejo diapiro-volcán Chica del LIC “Volcanes de Fango del Golfo de Cádiz”

Author

Cunha, P.P, Dinis, P.M., Dias, J., Veríssimo, H., Duarte, L.V., Lopes, F.C., Bessa, A.F., Antunes, J., González-García, Emilio, Lozano-Ordóñez, Pablo, Palomino, Desirée, Rueda, José Luis, Farias, Carlos, Urra, Javier, Vila, Yolanda, Vázquez, Juan Tomás, López-González, Nieves, Fernández-Salas, L.M., Cunha, P.P, Dinis, P.M., Dias, J., Veríssimo, H., Duarte, L.V., Lopes, F.C., Bessa, A.F., Antunes, J., González-García, Emilio, Lozano-Ordóñez, Pablo, Palomino, Desirée, Rueda, José Luis, Farias, Carlos, Urra, Javier, Vila, Yolanda, Vázquez, Juan Tomás, López-González, Nieves, and Fernández-Salas, L.M.

Published
2018

10. Habitat and geomorphic features mapping in a fluid venting area of the Gulf of Cadiz

Author

Cunha, P.P, Dinis, P.M., Dias, J., Veríssimo, H., Duarte, L.V., Lopes, F.C., Bessa, A.F., Antunes, J., Lozano-Ordóñez, Pablo, Rueda, José Luis, Gallardo-Núñez, Marina, Farias, Carlos, Urra, Javier, Vila, Yolanda, López-González, Nieves, Palomino, Desirée, Sánchez-Guillamón, Olga, Vázquez, Juan Tomás, Fernández-Salas, L.M., Cunha, P.P, Dinis, P.M., Dias, J., Veríssimo, H., Duarte, L.V., Lopes, F.C., Bessa, A.F., Antunes, J., Lozano-Ordóñez, Pablo, Rueda, José Luis, Gallardo-Núñez, Marina, Farias, Carlos, Urra, Javier, Vila, Yolanda, López-González, Nieves, Palomino, Desirée, Sánchez-Guillamón, Olga, Vázquez, Juan Tomás, and Fernández-Salas, L.M.

Published
2018

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