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Sebastián Jovic,Gerardo Páez,Matías Galina,Diego Guido,Conrado Permuy Vidal,Luciano López,Stabro Kasaneva
Pág. 110 - 124
The high sulfidation epithermal gold deposit El Guanaco is located in the Palaeocene-Lower Eocene metallogenic belt in the Antofagasta Region, northern Chile, 215 km SE of Antofagasta city. The deposit is characterized by a system of sub-parallel ledges ...
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Simone Vezzoni, Diego Pieruccioni, Yuri Galanti, Cristian Biagioni and Andrea Dini
The reconstruction of the polymetamorphic history of basement rocks in orogens is crucial for deciphering past geodynamic evolution. However, the current petrographic features are usually interpreted as the results of the metamorphic recrystallization of...
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Su-Wei Yue, Deng-Feng Li, Leon Bagas, Jing Fang and Zhen-Wen Lin
The giant Jianchaling Au (52 t Au) deposit is located in the Mian-Lue-Yang Terrane in the southern part of the Qinling Orogen of central China and is hosted by metamorphosed carbonate rocks of the Late Neoproterozoic Duantouya Formation. The deposit cons...
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Jeffrey R. Chiarenzelli, Marian V. Lupulescu, Sean P. Regan and Jared W. Singer
At the Cheever Mine, located in the eastern Adirondack Mountains of the Mesoproterozoic Grenville Province, iron oxide-apatite ore forms a narrow (<3 m) sheet cross-cutting metasomatically altered, magnetite-bearing, albite-rich leucogranitic host roc...
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Ivan Garrido,Jose Cembrano,Armando Sina,Peter Stedman,Gonzalo Yanez
Pág. 43 - 54
The Andean segment between 31 and 34°S documents a unique Tertiary tectono-magmatic evolution that involves the generation of three world-class Late Miocene porphyry copper deposits: Los Pelambres, Río Blanco-Los Bronces and El Teniente. The genesis of t...
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Francisco Munizaga,Juan Carlos Reyes,Jan Olov Nystrom
Pág. 189 - 195
RESUMEN. El distrito minero Cerro Negro agrupa depósitos estrato ligados de cobre tipo manto, hospedados en rocas sedimentarias volcanoclásticas, Sulfuros de Cerro Negro exhiben d34S en el rango -21,2 y -15,6 %0, lo cual contrasta con los valores en torn...
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Jose L. Martin,Fernando J. Flores,Ricardo J. Sureda
Pág. 71 - 90
RESUMEN. Se presenta una sintesis del primer estudio geoquimico realizado en los depositos estratiformes de plomo y zinc de la mina El Aguilar, provincia de Jujuy, Argentina. Sus objetivos han sido orientar la exploracion de nuevos cuerpos de mena y resp...
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Colombo C.G. Tassinari,Francisco Munizaga,Ruben Ramirez
Pág. 193 - 205
ABSTRACT. Rb-Sr isotopic age and geochemistry of The Mantos Blancos copper deposit: temporal relation of the Jurassic magmatism. The Mantos Blancos volcanic sequence, host of the stratabound Cu (-Ag) deposit of the same name, has been studied for its Rb-...
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