50   Artículos

 
en línea
Mariel Ferrari     Pág. 291 - 301
The present paper aims at the description of two new species of Euthyneura (Heterobranchia: Gastropoda) in the Early Jurassic (early Pliensbachian) marine deposits of the Chubut Basin at southern Patagonia, Argentina. The new species Cossmannina australi... ver más
Revista: Andean Geology    Formato: Electrónico

 
en línea
María Josefina Pons,Juan Mendiberri,Martín Arce,Gerson Alan Greco,Telma B. Musso,María Lis Fernández,Natalia Hauser,Pamela Aparicio González     Pág. 93 - 126
The Sofía-Julia-Valencia vein system, located in the Andacollo mining district in central west Argentina, is hosted by ENE-WSW oriented strike-slip faults which are the result of reactivation of normal faults affecting Carboniferous to Jurassic rocks dur... ver más
Revista: Andean Geology    Formato: Electrónico

 
en línea
Manuel Roda, Maria Iole Spalla, Marco Filippi, Jean-Marc Lardeaux, Gisella Rebay, Alessandro Regorda, Davide Zanoni, Michele Zucali and Guido Gosso    
Lithospheric slices preserving pre-Alpine metamorphic imprints are widely described in the Alps. The Variscan parageneses recorded in continental, oceanic, and mantle rocks suggest a heterogeneous metamorphic evolution across the Alpine domains. In this ... ver más
Revista: Geosciences    Formato: Electrónico

 
en línea
Mette Olivarius, Henrik Vosgerau, Lars Henrik Nielsen, Rikke Weibel, Sebastian N. Malkki, Benjamin D. Heredia and Tonny B. Thomsen    
The significance of mineralogical maturity as a provenance indicator has long been debated and we use this study to demonstrate that it can indeed be a powerful tool to track the distribution of sandstone reservoirs. We investigate the cause of the prono... ver más
Revista: Geosciences    Formato: Electrónico

 
en línea
Khaled Trabelsi, Lassad Tiss, Benjamin Sames, Yassine Houla, Amine Hanini, Faycel Elferhi, Ahmed Skanji, Fekri Kamoun, Mohamed Faouzi Zagrarni and Michael Wagreich    
Marginal-marine to non-marine ostracod assemblages from the Bajocian (Mid-Jurassic) of southern Tunisia, precisely from the Krachoua Formation at the Kef El Anneba section near the Beni Kheddache area, are here described and tested for their utility to i... ver más
Revista: Geosciences    Formato: Electrónico

 
en línea
Nikita Tananaev    
Major ions, stable isotopes, and trace elements, including rare earth elements (REEs), are used as natural tracers in the qualitative assessment of potential water sources in lakes and rivers of the upper Yana River basin, between Verkhoyansk and Chersky... ver más
Revista: Hydrology    Formato: Electrónico

 
en línea
Dinfa Vincent Barshep and Richard Henry Worden    
The Upper Jurassic, shallow marine Corallian sandstones of the Weald Basin, UK, are significant onshore reservoirs due to their future potential for carbon capture and storage (CCS) and hydrogen storage. These reservoir rocks, buried to no deeper than 17... ver más
Revista: Geosciences    Formato: Electrónico

 
en línea
Gustavo Gonçalves Garcia, Antônio Jorge Vasconcellos Garcia, Maria Helena Paiva Henriques, Rafael Mendes Marques and Rui Pena dos Reis    
The Amaral Formation has a wide geographic distribution within the Lusitanian Basin, at the western Iberian Margin (Portugal). The different depositional contexts for this unit enabled the distinction of three sectors: lagoon, lagoon-barrier, and marine-... ver más
Revista: Journal of Marine Science and Engineering    Formato: Electrónico

 
en línea
Morten Smelror    
Palynostratigraphy and palynofacies analyses are applied to identify transgressive-regressive sequences and changes in paleoenvironment through the Middle Jurassic?Early Cretaceous succession of the Ramså Basin on Andøya. The conglomerate, the succeeding... ver más
Revista: Geosciences    Formato: Electrónico

 
en línea
Elizaveta Idrisova, Rinat Gabitov, Tagir Karamov, Andrey Voropaev, Ming-Chang Liu, Natalia Bogdanovich and Mikhail Spasennykh    
This study is focused on the mineralogical, chemical, and isotopic characterization of pyrites from the rocks of the Bazhenov Formation (Upper Jurassic?Lower Cretaceous organic-rich shales, Western Siberia, Russia). Scanning electron microscopy (SEM) rev... ver más
Revista: Geosciences    Formato: Electrónico

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