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Geologica acta

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Geologica acta 9 records found  Search took 0.01 seconds. 
1.
26 p, 12.0 MB Structural evolution of the Pico del Águila anticline (External Sierras, southern Pyrenees) derived from sandbox, numerical and 3D structural modelling techniques / Vidal-Royo, O. (Universitat de Barcelona. Institut de Recerca Geomodels) ; Muñoz, J. A. (Universitat de Barcelona. Institut de Recerca Geomodels) ; Hardy, S. (Institució Catalana de Recerca i Estudis Avançats) ; Koyi, H. (Uppsala University. Hans Ramberg Tectonic Laboratory) ; Cardozo, N. (University of Stavange. Department of Petroleum Engineering) ; Universitat de Barcelona. Grup de Geodinàmica i Anàlisi de Conques (GGAC) ; Universitat de Barcelona. Departament de Geodinàmica i Geofísica ; Universitat de Barcelona. Facultat de Geologia ; Uppsala University. Department of Earth Sciences
This paper reports on the integration of different modelling techniques to construct a unified conceptual model of structural evolution of the Pico del Águila anticline (External Sierras, southern Pyrenees, Spain). [...]
2013 - 10.1344/105.000001780
Geologica acta, Vol. 11, Núm. 1 (Març 2013) , p. 1-26  
Detailed record - Creative Commons
2.
18 p, 4.5 MB Architectural characterization of a delta-front reservoir analogue combining Ground Penetrating Radar and Electrical Resistivity Tomography : Roda Sandstone (Lower Eocene, Graus-Tremp basin, Spain) / Coll, Miquel (Universitat de Barcelona. Institut de Recerca Geomodels) ; López-Blanco, M. (Universitat de Barcelona. Departament d'Estratigrafia, Paleontologia i Geociències Marines) ; Queralt, Pilar (Universitat de Barcelona. Departament de Geodinàmica i Geofísica) ; Ledo, Juan José (Universitat de Barcelona. Institut de Recerca Geomodels) ; Marcuello, A. (Universitat de Barcelona. Institut de Recerca Geomodels) ; Universitat de Barcelona. Facultat de Geologia
Three-dimensional reconstruction of reservoir analogues can be improved combining data from different geophysical methods. Ground Penetrating Radar (GPR) and Electrical Resistivity Tomography (ERT) data are valuable tools, since they provide subsurface information from internal architecture and facies distribution of sedimentary rock bodies, enabling the upgrading of depositional models and heterogeneity reconstruction. [...]
2013 - 10.1344/105.000001778
Geologica acta, Vol. 11, Núm. 1 (març 2013) , p. 27-43  
Detailed record - Creative Commons
3.
14 p, 2.1 MB An accurate record of volcanic ash fall deposition as characterized by dispersed organic matter in a Lower Permian tonstein bed (Faxinal Coalfield, Paraná Basin, Brazil) / Simas, M. W. (Universidade Federal do Rio Grande do Sul (UFRGS). Instituto de Geociências) ; Guerra-Sommer, M. (Universidade Federal do Rio Grande do Sul (UFRGS). Universidade Federal do Rio Grande do Sul (UFRGS)) ; Mendonça, J. G. ; Cazzulo-Klepzig, Filho M. (Universidade Federal do Rio Grande do Sul (UFRGS). Instituto de Geociências) ; Formoso, M. L. L. (Universidade Federal do Rio Grande do Sul (UFRGS). Instituto de Geociências) ; Degani-Schmidt, I. (Universidade Federal do Rio Grande do Sul (UFRGS). Instituto de Geociências)
For the first time, the dispersed organic matter in the tonstein layer interbedded with a coal seam in the Faxinal Coalfield (Sakmarian, Southern Paraná Basin, Brazil) is characterized. The deposition of clusters of pollen grains was highly influenced by the intense ash fall process that probably occurred during seasonal dehiscence of reproductive structures. [...]
2013 - 10.1344/105.000001835
Geologica acta, Vol. 11, Núm. 1 (març 2013) , p. 45-57  
Detailed record - Creative Commons
4.
16 p, 1.0 MB The influence of coastal processes on inner shelf sediment distribution : the Eastern Algarve Shelf (Southern Portugal) / Rosa, F. (University of Algarve. Centre for Marine and Environmental Research (CIMA)) ; Rufino, M. M. (University of Algarve. Centro Interdisciplinar de Investigação Marinha e Ambiental (CIIMAR/LNEG)) ; Ferreira, Ó. (University of Algarve. Faculty of Science and Technology/Centre for Marine and Environmental Research (FCT/CIMA)) ; Matias, A. (University of Algarve. Centre for Marine and Environmental Research (CIMA)) ; Brito, A. C. (University of Algarve. Faculty of Science and Technology/Centre for Marine and Environmental Research (FCT/CIMA)) ; Gaspar, M. B. (Instituto Nacional dos Recursos Biológicos (INRB/IPIMAR))
This study examines sediment distribution patterns in the Southeastern Algarve inner shelf (southern Portugal), an area characterized by marked variations in its coastal environment and low continental supply of sediments. [...]
2013 - 10.1344/105.000001755
Geologica acta, Vol. 11, Núm. 1 (març 2013) , p. 59-73  
Detailed record - Creative Commons
5.
13 p, 2.2 MB Modern and late Holocene foraminiferal record of restricted environmental conditions in the Albufeira Lagoon, SW Portugal / Alday, M. (Universidade de Lisboa. Centro de Geologia) ; Cearreta, Alejandro (Universidad del País Vasco. Área de Paleontología) ; Freitas, M. C. (Universidade de Lisboa. Centro de Geologia da Universidade de Lisboa e Departamento de Geologia) ; Andrade, C. (Universidade de Lisboa. Centro de Geologia da Universidade de Lisboa e Departamento de Geologia) ; Universidade de Lisboa. Faculdade de Ciencias ; Universidad del País Vasco. Facultad de Ciencia y Tecnología
Benthic foraminifera from twenty stations sampled twice were analyzed in order to examine the environmental conditions of the Albufeira coastal lagoon. Foraminiferal assemblages show an increase in the abundance, species diversity and allochthonous content seaward. [...]
2013 - 10.1344/105.000001754
Geologica acta, Vol. 11, Núm. 1 (març 2013) , p. 75-84  
Detailed record - Creative Commons
6.
26 p, 2.0 MB Tufa sedimentation in changing hydrological conditions : the River Mesa (Spain) / Auque, Luis Francisco (Universidad de Zaragoza. Departamento de Ciencias de la Tierra) ; Arenas Abad, María Concepción (Universidad de Zaragoza. Departamento de Ciencias de la Tierra) ; Osácar Soriano, María Cinta (Universidad de Zaragoza. Departamento de Ciencias de la Tierra) ; Pardo Tirapu, Gonzalo Martín (Universidad de Zaragoza. Departamento de Ciencias de la Tierra) ; Sancho Marcén, Carlos (Universidad de Zaragoza. Departamento de Ciencias de la Tierra) ; Vázquez-Urbez, Marta (Universidad de Zaragoza. Departamento de Ciencias de la Tierra)
The processes controlling tufa deposition along the River Mesa (NE Spain) were studied from April 2003 to September 2009, based on six-monthly monitoring of physical and chemical parameters of the river water and sedimentological characteristics, including deposition rates on tablets. [...]
2013 - 10.1344/105.000001774
Geologica acta, Vol. 11, Núm. 1 (març 2013) , p. 85-102  
Detailed record - Creative Commons
7.
10 p, 1.6 MB Origin of superimposed and curved slickenlines in San Miguelito range, Central México / Xu, S. (Universidad Nacional Autónoma de México. Centro de Geociencias) ; Nieto-Samaniego, A. F. (Universidad Nacional Autónoma de México. Centro de Geociencias) ; Alaniz-Álvarez, S. A. (Universidad Nacional Autónoma de México. Centro de Geociencias) ; Universidad Nacional Autónoma de México
Interactions between intersecting faults cause local perturbations of the stress field in the vicinity of their intersections. Fault intersections are places of stress accumulation, stress relief and refraction of the stress trajectories; the slip vectors near these intersections are deviated from the maximum shear stress resolved by the far-field stress. [...]
2013 - 10.1344/105.000001760
Geologica acta, Vol. 11, Núm. 1 (març 2013) , p. 103-112  
Detailed record - Creative Commons
8.
16 p, 838.2 KB Evolution and economic significance of listwaenites associated with Neoproterozoic ophiolites in south Eastern Desert, Egypt / Azer, Mokhles K (National Research Centre (El Caire, Egipte). Geological Sciences Department)
Most South Eastern Desert ophiolites are found along the Allaqi-Heiani-Gerf suture along the Egypt-Sudan border. Serpentinites, altered slices of upper mantle, are the main components of this suture and other sutures in the Arabian-Nubian Shield. [...]
2013 - 10.1344/105.000001777
Geologica acta, Vol. 11, Núm. 1 (març 2013) , p. 113-128  
Detailed record - Creative Commons
9.
4 p, 363.8 KB In memorial of Jordi Maria de Gibert Atienza / Martinell Callicó, Jordi (Universitat de Barcelona. Departament d'Estratigrafia, Paleontologia i Geociències Marines)
Jordi Maria de Gibert Atienza. Barcelona (21/03/1968) - Barcelona (23/09/2012). At dawn on September 23, Jordi Maria de Gibert Atienza passed away at the age of 44, after suffering a massive heart attack. [...]
2013
Geologica acta, Vol. 11, Núm. 1 (març 2013) , p. 129-131  
Detailed record - Creative Commons

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