Vol 21, No 2 (1994)

Table of Contents

Middle Albian marine planktonic microfossils from the Santiago basin, central Chile: their depositional and paleogeographic meaning
Rubén Martínez-Pardo, Antonio Gallego, Rodolfo Martínez-Guzmán
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173-187
Razones isotópicas de S de los sulfuros del distrito minero de Cerro Negro: un posible indicador de los depósitos estratoligados de Cu hospedados en rocas sedimentarias lacustres
Francisco Munizaga, Juan Carlos Reyes, Jan Olov Nystrom
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189-195
Geología y mineralización del distrito ferrífero Cerro Imán, Copiapó, Chile
Waldo Vivallo, Sergio Espinoza, Fernando Henríquez
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197-212

Articles for the International Symposium, Project 294. International Geological Correlation Program. Back to top

Preface
Luis Aguirre, Mario Vergara, Ursula Kelm
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215
Zeolitization processes in basic lavas of the Báucarit Formation, northwestern Mexico
Jean Jacques Cochemé, Luis Aguirre, Richard E. Bevins, Douglas Robinson, Philippe Münch
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217-231
Edades K-Ar en fracciones finas de pelitas en la Formación Puncoviscana, Salta, Argentina
Margarita Do Campo, Ricardo Omarini, Héctor Ostera
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233-240
Diagenetic character of the Tertiary basin between Los Angeles and Osorno, southern Chile
Ursula Kelm, María E. Cisternas, Sonia Helle, David Méndez
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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 Jämtland, western central Sweden
Hanan J. Kisch
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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.
Diego Morata, Luis Aguirre, Encarnación Puga
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269-283
Characterization of the low-grade metamorphism in the Nambucca block (NSW, Australia)
Robin Offler, Covadonga Brime
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285-293
Variation in Lower Cretaceous secondary mineral assemblages and thermal gradients across the Andes of central Chile (30-35°S)
Mario Vergara, Beatriz Levi, Jan O. Nystrom, Eugenia Fonseca, Carlos Roeschmann
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295-302
Mineralogical composition and diagenetic processes in the two depositional systems of the Cerro Negro Formation, Buenos Aires, Argentina: industrial application.
Patricia E. Zalba, Cristina Volzone, Liliana E. Garrido, Martín Morosi, Enrique Pereira
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303-311