Geologica acta

Geologica acta 7 registres trobats  La cerca s'ha fet en 0.02 segons. 
1.
13 p, 5.5 MB Stars in the Silurian sky : Echinoderm holdfasts from the Carnic Alps, Austria / Ferretti, A. (Università degli Studi di Modena e Reggio Emilia. Dipartimento di Scienze Chimiche e Geologiche) ; Ausich, W. I. (The Ohio State University. School of Earth Sciences) ; Corradini, C. (Università di Cagliari. Dipartimento di Scienze Chimiche e Geologiche) ; Corriga, M. G. (Università di Cagliari. Dipartimento di Scienze Chimiche e Geologiche) ; Schönlaub, H. P. (Austrian Academy of Sciences. Commission for Geosciences)
A small collection of echinoderm holdfasts from the Ludlow Cardiola Formation of the Carnic Alps (Austria) contains a wide range of morphologies as a response of environmental adaptation. In general, the holdfasts have a globous and massive dome-like profile with several processes arranged in a sub-radial disposition, so to create a sort of 'star-like' outline. [...]
2014 - 10.1344/GeologicaActa2016.14.4.1
Geologica acta, Vol. 14 Núm. 4 (december 2016) , p. 335-347 (Articles)  
2.
14 p, 2.2 MB Revision of the Maastrichtian-Palaeocene charophyte biostratigraphy of the Fontllonga reference section (southern Pyrenees, Catalonia, Spain) / Vicente, Alba (Universitat de Barcelona. Departament de Dinàmica de la Terra i de l'Oceà) ; Villalba Breva, Sheila (Universitat de Barcelona. Departament de Dinàmica de la Terra i de l'Oceà) ; Ferràndez i Cañadell, Carles (Universitat de Barcelona. Departament de Dinàmica de la Terra i de l'Oceà) ; Martín-Closas, Carles (Universitat de Barcelona. Departament de Dinàmica de la Terra i de l'Oceà)
The Fontllonga section is one of the best-known stratigraphic sections wordwide for the study of charophyte biostratigraphy of the Maastrichtian and lower Palaeocene. An updated proposal for the charophyte biostratigraphy of this section is presented after summarizing previous knowledge. [...]
2014 - 10.1344/GeologicaActa2016.14.4.2
Geologica acta, Vol. 14 Núm. 4 (december 2016) , p. 349-362 (Articles)  
3.
22 p, 8.9 MB Facies analysis and paleoenvironmental reconstruction of Upper Cretaceous sequences in the eastern Para-Tethys Basin, NW Iran / Omidvar, M. (University of Isfahan (Isfahan, Iran). Department of Geology) ; Safari, A. (University of Isfahan (Isfahan, Iran). Department of Geology) ; Vaziri-Moghaddam, H. (University of Isfahan (Isfahan, Iran). Department of Geology) ; Ghalavand, H. (National Iranian Oil Company)
Upper Cretaceous mixed carbonate-siliciclastic sequences are among the most important targets for hydrocarbon exploration in the Moghan area, located in the eastern Para-Tethys Basin. Despite of their significance, little is known about their facies characteristics and depositional environments. [...]
2014 - 10.1344/GeologicaActa2016.14.4.3
Geologica acta, Vol. 14 Núm. 4 (december 2016) , p. 363-384 (Articles)  
4.
17 p, 1.2 MB Geochemical characterization of the hydrous pyrolysis products from a recent cyanobacteria-dominated microbial mat / Franco, N. (Universidade Federal do Rio de Janeiro. Laboratório de Palinofácies e Facies Orgânica) ; Mendoça Filho, J. G. (Universidade Federal do Rio de Janeiro. Laboratório de Palinofácies e Facies Orgânica) ; Silva, T. F. (Universidade Federal do Rio de Janeiro. Laboratório de Palinofácies e Facies Orgânica) ; Stojanovic, K. (University of Belgrade. Faculty of Chemistry) ; Fontana, L. F. (Universidade Federal do Rio de Janeiro. Laboratório de Palinofácies e Facies Orgânica) ; Carvalhal-Gomes, S. (Universidade Federal do Rio de Janeiro. Laboratório de Palinofácies e Facies Orgânica) ; Silva, F. S. (Universidade Federal do Rio de Janeiro. Laboratório de Palinofácies e Facies Orgânica) ; Furukawa, G. G. (Universidade Federal do Rio de Janeiro. Laboratório de Palinofácies e Facies Orgânica)
Hydrous pyrolysis experiments were performed on a recent microbial mat sample from Lagoa Vermelha, Brazil, to determine whether crude oil can be generated and expelled during artificial maturation of the Organic Matter (OM). [...]
2014 - 10.1344/GeologicaActa2016.14.4.4
Geologica acta, Vol. 14 Núm. 4 (december 2016) , p. 385-401 (Special Issues: Selected contributions from the XIV ALAGO Congress)  
5.
15 p, 1.5 MB Modeling of microbial gas generation : application to the eastern Mediterranean "Biogenic Play" / Schneider, F. (Beicip-Franlab) ; Dubille, M. (Beicip-Franlab) ; Montadert, L. (Beicip-Franlab)
Biogenic gas is becoming increasingly important as an exploration target in the petroleum industry because it occurs in geologically predictable circumstances and in large quantities at shallow depths as free gas or gas hydrates. [...]
2014 - 10.1344/GeologicaActa2016.14.4.5
Geologica acta, Vol. 14 Núm. 4 (december 2016) , p. 403-417 (Special Issues: Selected contributions from the XIV ALAGO Congress)  
6.
28 p, 3.3 MB Depositional environment and source rock potential of Cenomanian and Turonian sedimentary rocks of the Tarfaya Basin, Southwest Morocco / Ghassal, B.I. (Institute of Geology and Geochemistry of Petroleum and Coal (Aquisgrà, Alemanya). Energy and Mineral Resources Group (EMR)) ; Littke, R. (Institute of Geology and Geochemistry of Petroleum and Coal (Aquisgrà, Alemanya). Energy and Mineral Resources Group (EMR)) ; Sachse, V. (Institute of Geology and Geochemistry of Petroleum and Coal (Aquisgrà, Alemanya). Energy and Mineral Resources Group (EMR)) ; Sindern, S. (Institute of Mineralogy and Economic Geology (Aquisgrà, Alemanya). Energy and Mineral Resources Group (EMR)) ; Schwarzbauer, J. (Institute of Geology and Geochemistry of Petroleum and Coal (Aquisgrà, Alemanya). Energy and Mineral Resources Group (EMR))
Detailed organic and inorganic geochemical analyses were used to assess the depositional environment and source rock potential of the Cenomanian and Turonian oil shale deposits in the Tarfaya Basin. This study is based on core samples from the Tarfaya Sondage-4 well that penetrated over 300m of Mid Cretaceous organic matter-rich deposits. [...]
2014 - 10.1344/GeologicaActa2016.14.4.6
Geologica acta, Vol. 14 Núm. 4 (december 2016) , p. 419-441 (Special Issues: Selected contributions from the XIV ALAGO Congress)  
7.
20 p, 3.9 MB Organic-rich shales from internal Betic basins (SE Spain) : potential source rocks analogs for the pre-Messinian Salt play in the western Mediterranean / Permanyer Bastardas, Albert (Universitat de Barcelona. Department de Geologia, Petrologia i Prosprecció Geològica) ; Jorge, R. (Universitat de Barcelona. Department de Geologia, Petrologia i Prosprecció Geològica) ; Baudino, Roger (Repsol Exploracion S.A) ; Gibert Beotas, Lluís (Universitat de Barcelona. Department de Geologia, Petrologia i Prosprecció Geològica)
Southeastern Spain has a large number of Late Neogene basins with substantial evaporitic deposits that developed under an overall NNW-SSE compressional regime related to the African-European tectonic plates collision. [...]
2014 - 10.1344/GeologicaActa2016.14.4.7
Geologica acta, Vol. 14 Núm. 4 (december 2016) , p. 443-460 (Special Issues: Selected contributions from the XIV ALAGO Congress)  

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