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Francisco Hervé,Colombo Tassinari,Umberto Cordani,Miguel Angelo Stipp Basei,Marcos Zentilli
Pág. 307 - 309
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Victor Maksaev,Javier Arancibia,Francisco Munizaga,Colombo Tassinari
Pág. 285 - 312
U-Pb detrital-zircon geochronology of two discrete outcrops of mica schists of the western border of the Domeyko Cordillera in the Region of Atacama, northern Chile, indicates that the maximum age of sedimentation of their protolith corresponds to the La...
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Victor Maksaev,Francisco Munizaga,Colombo Tassinari
Pág. 447 - 506
U-Pb zircon geochronological data provide record of about 130 Ma of igneous activity in the Andes of northern Chile, which extended episodically from the latest Early Carboniferous to Early Jurassic (328-194 Ma). The overall U-Pb data show that volcanism...
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Vctor Maksaev,Tomas A. Almonacid,Francisco Munizaga,Vctor Valencia,Michael McWilliams,Fernando Barra
Pág. 144 - 176
En Domeyko a 40 km al sur de la ciudad de Vallenar en el norte de Chile (28°57'S-70°53'O) se ubican los porfidos cupriferos Dos Amigos y Tricolor dentro de una zona de alteracion hidrotermal elongada en sentido norte-sur de 6x1,5 km. Estos estan relacion...
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Victor Maksaev,Francisco Munizaga,Marcos Zentilli,Reynaldo Charrier
Pág. 153 - 171
Apatite fission track data for Miocene plutons of the western slope of the Principal Andean Cordillera in central Chile (33-35°S) define a distinct episode of enhanced crustal cooling through the temperature range of the apatite partial annealing zone (~...
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Victor Maksaev,Francisco Munizaga,Victor Valencia,Fernando Barra
Pág. 264 - 287
New U-Pb zircon dating of volcanic intercalations in the lower conglomeratic part of the Cerrillos Formation shows that its deposition extended in time at least from 110.7±1.7 to 99.7±1.6 Ma. The significantly younger U-Pb zircon age of 69.5±1.0 Ma obtai...
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Francisco Munizaga
Pág. 129 - 130
only in Spanish.
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Wes Hildreth,Brad Singer,Estanislao Godoy,Francisco Munizaga
Pág. 17 - 28
Cerro Campanario, a towering landmark on the continental divide near Paso Pehuenche, is a glacially eroded remnant of a mafic stratovolcano that is much younger than previously supposed. Consisting of fairly uniform basaltic andesite, rich in olivine and...
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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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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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