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Josefina C. Tapias, Raquel Melián, Alex Sendrós, Xavier Font and Albert Casas
Spain currently produces around 7000 million litres of mineral water a year, of which about 20% is produced in Catalonia, and there is a need for greater regulation and research into bottled waters and their impact on human health. A total of 29 samples ...
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Hans Niemeyer Rubilar
Pág. 628 - 640
An Upper Cambrian-Ordovician (490-460 Ma) batholith crop out along the Cordón de Lila and Sierra de Almeida, in the Antofagasta region, northern Chile, which belongs to the Famatinian arc. Two plutonic rock types can be distinguished: granodiorites and m...
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Samanta Serra-Varela,Pablo D. González,Raúl E. Giacosa,Nemesio Heredia,David Pedreira,Fidel Martín-González,Ana María Sato
Pág. 102 - 130
In San Martín de los Andes area (Argentinian Patagonia) the Palaeozoic basement consists of metamorphic and plutonic rocks. The metamorphic rocks include strongly deformed schists, gneisses and migmatites. Their geochemical and petrographic characteristi...
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Ivana Alejandra Urraza,Sergio Delpino,Laura Grecco
Pág. 36 - 55
Post-crystallization evolution of the metatroctolites of the Lago Ñorquinco zone, Aluminé Igneous-Metamorphic Complex, is analyzed. These mafic rocks show coronas around olivine, composed of Opx, Cpx, Spl and Amp (Hbl1 and Hbl2). The temporal evolution o...
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Stella Poma,Eduardo O. Zappettini,Sonia Quenardelle,Joao O. Santos,?Magdalena Koukharsky,Elena Belousova,Neal J. McNaughton
Pág. 267 - 292
We have carried out zircon U-Pb SHRIMP dating and Hf isotope determinations as well as geochemical analyses on three plutonic units of Gondwanan magmatism that crop out in NW Argentina. Two episodes of different age and genesis have been identified. The ...
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Ivana A. Urraza,Laura E. Grecco,Sergio H. Delpino,Monica L. Arrese,Carlos W. Rapela
Pág. 98 - 118
In the present contribution, the partial results of a detailed study of the magmatic, metamorphic and tectonic events developed in the Aluminé Igneous-Metamorphic Complex (AIMC) are given. We define the AIMC as the set of pre-andean and andean intrusive ...
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Fernando G. Sardi
Pág. 3 - 18
The different rocks that host the tungsten-bearing quartz veins from central-eastern sector of the Famatina System (La Rioja, Argentina) are part of the crystalline basement of this unit. Petrographic and geochemical studies demonstrate that the emplacem...
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Miguel A. Parada
Pág. 199 - 210
ABSTRACT. Contribution to the geochemistry of the Papudo-Ouintero Plutonic Complex, Central Chile: petrogenetic implications. The Papudo-Ouintero Plutonic Complex (CPPO) corresponds to a Middle-Upper Jurassic intrusive event developed in the Coastal Rang...
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Carlos W. Rapela,Guillermo F. Dias,Juan R. Franzese,Gabriela Alonso,Aldo R. Benvenuto
Pág. 121 - 138
Se describen las caracteristicas litologicas y el ambiente tectonico de emplazamiento del Batolito de la Patagonia Central (BPC). Este cuerpo, que aflora en forma discontinua entre las localidades de Gastre y Pilcaniyeu, fue reconocido en imagenes sateli...
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Eduardo Jorge Llambias,Ana Maria Sato
Pág. 89 - 108
ABSTRACT. The Colangüil Batholith (CB) is located on the eastern border of the Cordillera Frontal (29-31°S), northern San Juan Province. Intrusion took place between 264 and 247 Ma, after the San Rafael orogenic phase (SROP). It consists of 61 % granodio...
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