5   Artículos

 
en línea
Alexei B. Herman and Ksenia V. Domogatskaya    
Three species belonging to the fern genus Ochotopteris E. Lebedev, including the new species O. lebedevii Herman et Domogatskaya, are revised, described and illustrated in this paper. The fossils come from Albian, Cenomanian, Turonian and Coniacian beds ... ver más
Revista: Geosciences    Formato: Electrónico

 
en línea
Elissavet Dotsika, Maria Tassi, Petros Karalis, Anastasia Chrysostomou, Dimitra Ermioni Michael, Anastasia Elektra Poutouki, Katerina Theodorakopoulou and Georgios Diamantopoulos    
In this article we present an isotopic analysis of human bone collagen (d13Ccol, and d15Ncol) and bone apatite (d13C) for diet reconstruction, as well as d18Oap of human bone apatite for climate reconstruction, using samples from Northern Greece. Radioca... ver más
Revista: Applied Sciences    Formato: Electrónico

 
en línea
Luis A. Spalletti, Carlos O. Limarino     Pág. 328 - 338
The end of the Permian period is marked by global warming and the biggest known mass extinction on Earth. The crisis is commonly attributed to the formation of large igneous provinces because continental volcanic emissions have the potential to control a... ver más
Revista: Andean Geology    Formato: Electrónico

 
en línea
J. Katupotha    
In the Earth?s history, there were five major glaciations, namely, Huronian (2,300 Ma),Cryogenianor Sturtian-Varangian(850-635 Ma), Andean-Saharan (460-430 Ma, Karoo (360-260 Ma) andthe Quaternary (2.58 Ma to Present) that occurred between 2,300 Ma and 0... ver más
Revista: Journal of Tropical Forestry and Environment    Formato: Electrónico

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