Published: 2004-09-30

Articles

Subtidal dynamics and environmental conditions of the Río Deseado estuary, Santa Cruz

Federico Isla, Nerina Iantanos, Enrique Estrada

367-375

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Distribution of soils in relation to relief and neotectonic activity within the tectonic depression of the Tulum valley, in the south-eastern sector of San Juan province

Graciela M. Suvires

376-384

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Piping processes in the eastern piedmont of the Eastern Precordillera, San Juan Province

Graciela M. Suvires

385-393

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Urban geology of the Buenos Aires metropolitan area and its influence on environmental problems

Fernando X. Pereyra

394-410

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Alkaline basalt with ultramafic xenoliths in Tierra del Fuego

Rogelio D. Acevedo, Bernabé J. Quartino

411-415

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Analysis of the anthropogenic environmental risks and their evaluation regarding future climatic changes for the metropolitan Buenos Aires region

Rubén A. López, Silvia C. Marcomini

416-422

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Morphostructural evolution of the western piedmont of Sierras Chica and Pajarillo-Copacabana, between La Cumbre and Las Lajas - Province of Córdoba

Carlos A. Beltramone

423-432

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Rock magnetism in late Cenozoic sediments at San Antonio de Areco, Buenos Aires province

Ana M. Walther, María J. Orgeira, HOracio F. Lippai

433-442

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Recent morphological changes in the Peninsula Potter lakes, 25 de Mayo Island, Southern Shetland Islands, Antarctica

Rodolfo A. Del Valle, Andrzej Tatur, Jorge C. Lusky, Diego R. Gomez Izquierdo

443-450

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Magnetic mineralogy and susceptibility records in Quaternary sediments of normal (Brunhes) and reverse (Matuyama) polarity in the Juarez quarry, Buenos Aires Province

Juan C. Bidegain, Yamile Rico

451-461

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Late Palaeozoic calc-alkaline volcanism in the Precordillera of La Rioja: petrology and lithostratigraphical characterization of the Punta del Agua Formation (Late Carboniferous - Early Permian)

Marcela Remesal, Luis A. Fauqué, Carlos O. Limarino

462-476

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Vulnerability to sea-level rise of the coast of the Río Negro province

Roberto R. Kokot, Jorge O. Codignotto, Manuela Elissondo

477-487

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Communications

Mercedes Basin, San Luis province

J. Kostadinoff, D.A. Gregori

488-494

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Recent hydrovolcanic deposits with evidence of magmatic immiscibility on Deception Island, Antarctica

Alberto T. Caselli, Mariano R. Agusto

495-500

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Terrestrial aeromagnetic survey of waste deposits: a pilot study in Gualeguaychú, Entre Ríos

María Julia Orgeira, Carlos A. Vázquez, Héctor Ostera

501-505

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Short notes

Evidence of pre-Middle Miocene deformation associated with the Andean foreland of the Eastern Cordillera (24°35´ S - 66°12´ W)

Cecilia E. del Papa, Fernando D. Hongn, ‪Ivan A. Petrinovic‬, Ramiro Domínguez

506-509

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K/Ar ages from east Nahuel Pan hills, Chubut. Implicance in the Divisadero and Choiyoi Groups correlation

M.E. Vattuone, C.O. Latorre

510-513

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Pyroclastic volcanism of Middle Miocene age in the Valle del Cura: new geological and radiometric data

Vanesa D. Litvak, Stella Poma, Carlos O. Limarino

514-517

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Obituaries

Oscar Ruiz Huidobro (1917-2004)

Rita O. Tófalo

518-519

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