20   Artículos

 
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
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
Yanan Wang, Xiulei Cheng, Kai Fan, Zhipeng Huo and Lin Wei    
The organic-rich shale of the Permian Taiyuan Formation (TYF) and Shanxi Formation (SXF) in the Southern North China Basin (SNCB) is considered a potential shale gas source. The shale was formed in a marine-continental transitional sedimentary environmen... ver más
Revista: Journal of Marine Science and Engineering    Formato: Electrónico

 
en línea
Christopher Eastoe, Barry Hibbs, Mercedes Merino and Jason Dadakis    
Sulfate isotopes (d34S, d18OSO4) interpreted in conjunction with sulfate concentrations show that sulfate of both agricultural and geologic sources is present in groundwater and surface water in the Rio Grande flood plain within the Hueco Bolsón. From pr... ver más
Revista: Hydrology    Formato: Electrónico

 
en línea
Yu Pei, Hans Hagdorn, Thomas Voigt, Jan-Peter Duda and Joachim Reitner    
Following the end-Permian crisis, microbialites were ubiquitous worldwide. For instance, Triassic deposits in the Germanic Basin provide a rich record of stromatolites as well as of microbe-metazoan build-ups with nonspicular demosponges. Despite their p... ver más
Revista: Geosciences    Formato: Electrónico

 
en línea
Adam G. Szulc, Andrew C. Morton, Andrew G. Whitham, Sidney R. Hemming and Stuart N. Thomson    
The crystalline basement and Caledonian orogenic belt of East Greenland between 70 and 78° N are divided into five source regions on the basis of heavy mineral assemblages, mineral geochemistry, and isotopic age data from 42 modern moraine/outwash sample... ver más
Revista: Geosciences    Formato: Electrónico

 
en línea
Syed Kamran Ali, Hammad Tariq Janjuhah, Syed Muzyan Shahzad, George Kontakiotis, Muhammad Hussain Saleem, Usman Khan, Stergios D. Zarkogiannis, Panayota Makri and Assimina Antonarakou    
The Upper Indus Basin, in Pakistan?s western Salt Range, is home to the Zaluch Gorge. The sedimentary rocks found in this Gorge, belonging to the Chhidru Formation, were studied in terms of sedimentology and stratigraphy, and provide new insights into th... ver más
Revista: Journal of Marine Science and Engineering    Formato: Electrónico

 
en línea
Angelos G. Maravelis, Jake Breckenridge, Kevin Ruming, Erin Holmes, Yuri Amelin and William J. Collins    
High precision Chemical abrasion-isotope dilution thermal ionisation mass spectrometry (CA-IDTIMS) U-Pb zircon results from tuff marker beds that are interstratified within the Upper Permian deposits of the northern Sydney Basin add constraints on the ti... ver más
Revista: Geosciences    Formato: Electrónico

 
en línea
Hunter Green, Branimir ?egvic, Giovanni Zanoni, Silvia Omodeo-Salé and Thierry Adatte    
The use of mineral diagenetic indices and organic matter maturity is useful for reconstructing the evolution of sedimentary basins and critical assessments for potential source rocks for petroleum exploration. In this study, the relationship of clay mine... ver más
Revista: Geosciences    Formato: Electrónico

 
en línea
Daniel I. Hembree and Jennifer L. Carnes    
Direct exposure of paleosols to the atmosphere during formation make them ideal for reconstructing paleoclimate. Paleosol and ichnofossil properties are dependently linked making it important to study them in tandem, to avoid errors in interpretation. Sm... ver más
Revista: Geosciences    Formato: Electrónico

« Anterior     Página: 1 de 2     Siguiente »