Vol 19, No 1 (1992)

Table of Contents

Geologia del yacimiento epitermal de oro y plata Can Can, Franja de Maricunga, precordillera de Copiapo, Chile
Alejandro J. Cecioni, Lawrence A. Dick
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3-17
Graptolites ordovicicos en la sierra de Cajas, cordillera oriental de Jujuy, Argentina
Alfredo Cuerda, Marta Alfaro, Jose M. Cortes, Mario Franchi, Augusto Menendez
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19-35
Variaciones geoquimicas, locales y regionales, en el frente volcanico cuaternario de los Andes centrales (17°30'-22°00'S), norte de Chile
Gerhardt Worner, Leopoldo Lopez-Escobar, Stephen Moorbath, Susan Horn, Jürgen Entenmann, Russel S. Harmon , Jon D. Davidson
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37-56

Articles from the third International Symposium of Neogenous Events in the Pacific, Proyect 2467 Back to top

PREFACE
Ryuichi Tsuchi
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59
Geologic age of biosiliceous sediments in Peru and Chile based upon planktonic foraminifera
Masako Ibaraki
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61-66
Neogene events in Japan and on the Pacific coast of South America
Ryuichi Tsuchi
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67-73
Age and paleoceanographic significance of the Caleta Herradura diatomite, peninsula de Mejillones, Antofagasta, Chile
Willlam N. Krebs, Antenor M. Aleman, Humberto Padilla, Joshva H. Rosenfeld, Hans Niemeyer
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75-81
Neogene marine deposits of Caleta Patillos, Northern Chile: their relationship with neogene sediments of the peninsula de Mejillones
Humberto Padilla, Sara Elgueta
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83-89
Neogene phosphogenesis along the eastern margin of the Pacific Ocean
Robert E. Garrison
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91-111
Aspects of the evolution of Cainozoic deep-sea Ostracoda in the southwest Pacific
Robin Whatley
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113-127