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Tianxiao Ji and Zhigang Zeng
Mid-ocean ridge basalts (MORBs), produced at mid-ocean ridge where the continents and subduction zones are distant, are the product of partial melting of the upper mantle and their chemical composition can provide information about the mantle itself. The...
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Qian Liu, Limei Tang, Ling Chen and Peng Gao
Seamounts are features generated by hot spots and associated intraplate volcanic activity. The geochemical characteristics of igneous rocks constituting seamounts provide evidence of important details of dynamic processes in the Earth, such as mantle mag...
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Daniele Luigi Pinti, Marie Haut-Labourdette, André Poirier, Marion Saby, Vincent J. van Hinsberg, Kim Berlo, Maria Clara Castro, Bjarni Gautason and Ásgerður K. Sigurðardóttir
The determination of the current and past recharge sources, as well as the reconstruction of the timing of the recharge in geothermal reservoirs, is required in order to correctly assess the resource potential of these systems. Theistareykir is a newly d...
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Davide Lenaz, Matteo Velicogna, Maurizio Petrelli and Birger Schmitz
In the Ordovician limestone of the Thorsberg quarry (South Sweden), about 130 meteorites have been found. Among the extraterrestrial material, several terrestrial Cr-spinels and zircons have been found too. In particular, in the interval 416?447 cm above...
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Gustavo W. Bertotto, Maurizio Mazzucchelli, Tommaso Giovanardi, Rommulo V. Conceiçao, Alberto Zanetti, Manuel E. Schilling, Mauro I. Bernardi, Alexis D. Ponce, Tiago Jalowitzki, Fernanda Gervasoni and Anna Cipriani
Huanul is a shield volcano with several lava flows hosting mantle xenoliths erupted during the Pleistocene (0.84 ± 0.05 Ma). It is located in the southern part of the Payenia Volcanic Province, which is among the largest Neogene-Quaternary volcanic provi...
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Zhongrong Qiu, Chunhui Tao, Weilin Ma, Ágata Alveirinho Dias, Siyi Hu, Yuexiao Shao, Kehong Yang and Weiyan Zhang
The geochemistry and mineralogy of sediments provide relevant information for the understanding of the origin and metallogenic mechanism of ferromanganese nodules and crusts. At present, there are still few studies on the sediment origin of the Clarion?C...
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Alejandro Kramarz,Eduardo Bellosi,Mariano Bond,Analía M. Forasiepi,Juan Carlos Fernicola,Guillermo Aguirrezabala,Daniella Teixeira de Rezende
Pág. 238 - 272
The Paleogene terrestrial faunal succession and its associated bearing volcaniclastic deposits has been exhaustively studied in central Patagonia, but there is still no acceptable litho-bio-chronostratigraphic ordering for the extra-Andean North Patagoni...
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Paolo Conti, Marco Pistis, Stefano Bernardinetti, Alessio Barbagli, Andrea Zirulia, Lisa Serri, Tommaso Colonna, Enrico Guastaldi and Giorgio Ghiglieri
In this paper, we present results of tectonic and geophysical investigations in the Kenya Rift valley, in the Nakuru area. We compiled a detailed geological map of the area based on published earlier works, well data and satellite imagery. The map was th...
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Ibrahim M. Ahmed, Mohamed Jalludin and Moumtaz Razack
The hydrogeological system of the Goda Mountains Range (GMR) in the Republic of Djibouti (Horn of Africa), hosted by volcanic and sedimentary formations, is the only water resource in the Tadjourah region for more than 85,000 inhabitants. Water needs are...
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Kürsad Asan
This study presented whole-rock elemental and Sr-Nd isotope geochemistry data with the purpose to decipher the origin and evolution of the Miocene Elmadag Volcanic Complex, Central Anatolia (Ankara, Turkey). Volcanic products spanned in composition from ...
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