58   Artículos

 
en línea
Andrew Courtois, Samuel Bentley, Jillian Maloney, Kehui Xu, Jason Chaytor, Ioannis Y. Georgiou, Michael D. Miner, Jeffrey Obelcz, Navid H. Jafari and Melanie Damour    
Many Mississippi River Delta studies have shown recent declines in fluvial sediment load from the river and associated land loss. In contrast, recent sedimentary processes on the subaqueous delta are less documented. To help address this knowledge gap, m... ver más
Revista: Water    Formato: Electrónico

 
en línea
Juan A. Dahlquist,Matías M. Morales Cámera,Juan A. Moreno,Miguel A.S. Basei,Priscila Zandomeni,Gilmara Santos da Cruz     Pág. 167 - 180
Previous geochronological data indicate a protracted Devonian magmatic activity developed in the Sierra de San Luis, Sierras Pampeanas of Argentina, with three major crystallization events: 393±3, 384±2, and 377±2 Ma. Previously reported whole-rock Sm-Nd... ver más
Revista: Andean Geology    Formato: Electrónico

 
en línea
Ruy Paulo Philipp, Ubiratan Ferrucio Faccini, Cesar Leandro Schultz, Gustavo Zvirtes, Matheus Philippe Bruckmann, Ernesto Lavina, Joice Cagliari, Andrea Ritter Jelinek, Renata Guimarães Netto, Adriano Roessler Viana and Miguel Angelo Stipp Basei    
Zircon U-Pb geochronology was applied to investigate the provenance, depositional ages, and paleogeography of the southwestern Gondwana in detrital and ash fall sediments from Carboniferous to Jurassic succession of the southern Paraná Basin. Four detrit... ver más
Revista: Geosciences    Formato: Electrónico

 
en línea
Jason S. Drebber, Christopher T. Halsted, Lee B. Corbett, Paul R. Bierman and Marc W. Caffee    
Constraining the timing and rate of Laurentide Ice Sheet (LIS) retreat through the northeastern United States is important for understanding the co-evolution of complex climatic and glaciologic events that characterized the end of the Pleistocene epoch. ... ver más
Revista: Geosciences    Formato: Electrónico

 
en línea
Daniil V. Popov    
Most recent studies consider the formation of individual pegmatite bodies to be a fast process with estimated crystal growth rates reaching a walloping 10 m/day. This opinion is presumably underpinned by the traditional way of thinking of them as the end... ver más
Revista: Geosciences    Formato: Electrónico

 
en línea
Michael A. Pointon, Helen Smyth, Jenny E. Omma, Andrew C. Morton, Simon Schneider, Peter Hülse, Stephen J. Rippington, Berta Lopez-Mir, Quentin G. Crowley, Ian Millar, Martin J. Whitehouse, Dirk Frei, Robert A. Scott and Michael J. Flowerdew    
A multi-proxy provenance study of Late Carboniferous to Middle Jurassic sandstones from the eastern Sverdrup Basin was undertaken employing optical petrography and heavy mineral analysis, chemical analysis of apatite, garnet and rutile grains, as well as... ver más
Revista: Geosciences    Formato: Electrónico

 
en línea
Damaris Montano, Marta Gasparrini, Sébastien Rohais and Ramon De Luca    
The Yacoraite Fm. (Salta rift basin, Argentina) consists of a mixed carbonate?siliciclastic lacustrine succession, interbedded with volcanic ash layers and organised in four third-order stratigraphic sequences. It is one of the few sites in South America... ver más
Revista: Geosciences    Formato: Electrónico

 
en línea
Iain P. Greig, Andrew Morton, Dirk Frei and Adrian Hartley    
A study of Triassic sandstones in the central North Sea, UK, has shown that combined detrital zircon and apatite geochronology and apatite trace element analysis is a powerful tool for reconstructing provenance for sandstones with diagenetically impoveri... ver más
Revista: Geosciences    Formato: Electrónico

 
en línea
Jesús F. Jordá Pardo, David Álvarez-Alonso, María de Andrés-Herrero, Daniel Ballesteros, Pilar Carral, Aitor Hevia-Carrillo, Jorge Sanjurjo, Santiago Giralt and Montserrat Jiménez-Sánchez    
El Olivo Cave (Pruvia de Arriba, Llanera, Asturias, Spain) is a small karst cave located in the Aboño River basin and formed in the Cretaceous limestone of the Mesozoic cover of the Cantabrian Mountains (north of the Iberian Peninsula). It contains an im... ver más
Revista: Geosciences    Formato: Electrónico

 
en línea
Brandon Keough and Kenneth Ridgway    
The Cantwell Formation of the central Alaska Range provides a robust archive of high-latitude, Late Cretaceous depositional systems and paleo-floral/faunal assemblages. Our stratigraphic analysis defines two mappable members. The lower member (1500?2000 ... ver más
Revista: Geosciences    Formato: Electrónico

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