REVISTA

Andean Geology

ISSN: 0718-7106 Frecuencia: 3 Formato: Electr�nica

Tablas de contenido

12 art�culos asociados

Volumen 21 N�mero 2 Parte 0 A�o 1994

Middle Albian marine planktonic microfossils from the Santiago basin, central Chile: their depositional and paleogeographic meaning	Acceso
Rub�n Mart�nez-Pardo,Antonio Gallego,Rodolfo Mart�nez-Guzm�n
P�g. 173 - 187

Razones isot�picas de S de los sulfuros del distrito minero de Cerro Negro: un posible indicador de los dep�sitos estratoligados de Cu hospedados en rocas sedimentarias lacustres	Acceso
Francisco Munizaga,Juan Carlos Reyes,Jan Olov Nystrom
P�g. 189 - 195

Geolog�a y mineralizaci�n del distrito ferr�fero Cerro Im�n, Copiap�, Chile	Acceso
Waldo Vivallo,Sergio Espinoza,Fernando Henr�quez
P�g. 197 - 212

Preface	Acceso
Luis Aguirre,Mario Vergara,Ursula Kelm
P�g. 215

Zeolitization processes in basic lavas of the B�ucarit Formation, northwestern Mexico	Acceso
Jean Jacques Cochem�,Luis Aguirre,Richard E. Bevins,Douglas Robinson,Philippe M�nch
P�g. 217 - 231

Edades K-Ar en fracciones finas de pelitas en la Formaci�n Puncoviscana, Salta, Argentina	Acceso
Margarita Do Campo,Ricardo Omarini,H�ctor Ostera
P�g. 233 - 240

Diagenetic character of the Tertiary basin between Los Angeles and Osorno, southern Chile	Acceso
Ursula Kelm,Mar�a E. Cisternas,Sonia Helle,David M�ndez
P�g. 241 - 252

X-ray diffraction intensity ratios of phyllosilicate reflections in cleavage- and bedding-parallel slabs: incipient development of slaty cleavage in the Caledonides of J�mtland, western central Sweden	Acceso
Hanan J. Kisch
P�g. 253 - 267

Na-metamorphic pyroxenes in low-grade metabasites from the External Zones of the Betic Cordilleras (southern Spain): influence of rock chemical composition on their formation.	Acceso
Diego Morata,Luis Aguirre,Encarnaci�n Puga
P�g. 269 - 283

Characterization of the low-grade metamorphism in the Nambucca block (NSW, Australia)	Acceso
Robin Offler,Covadonga Brime
P�g. 285 - 293

Variation in Lower Cretaceous secondary mineral assemblages and thermal gradients across the Andes of central Chile (30-35�S)	Acceso
Mario Vergara,Beatriz Levi,Jan O. Nystrom,Eugenia Fonseca,Carlos Roeschmann
P�g. 295 - 302

Mineralogical composition and diagenetic processes in the two depositional systems of the Cerro Negro Formation, Buenos Aires, Argentina: industrial application.	Acceso
Patricia E. Zalba,Cristina Volzone,Liliana E. Garrido,Mart�n Morosi,Enrique Pereira
P�g. 303 - 311