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EARLY PALAEOZOIC GEOCHRONOLOGY AND OROGENIC EVENTS IN NW ARGENTINA

Hubert Miller

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Abstract

For several years a lively discussion is in progress, whether the Early Palaeozoic orogenic events occurring at the South American active continental margin are due to the collision between Laurentia and Gondwana (e.g. DALZIEL et al. 1994) or not. Already published and new isotope data aim at a better understanding of the timing of intrusive, metamorphic and deformational events in NW Argentina. These age data are substantial for recognition of a potential Laurentia-Gondwana interaction during the Early Palaeozoic.

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What this paper is about

For several years a lively discussion is in progress, whether the Early Palaeozoic orogenic events occurring at the South American active continental margin are due to the collision between Laurentia and Gondwana (e.g. DALZIEL et al. 1994) or not. Already published and new isotope data aim at a better understanding of the timing of intrusive, metamorphic and deformational events in NW Argentina. These age data are substantial for recognition of a potential Laurentia-Gondwana interaction during the Early Palaeozoic.

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Available abstract

For several years a lively discussion is in progress, whether the Early Palaeozoic orogenic events occurring at the South American active continental margin are due to the collision between Laurentia and Gondwana (e.g. DALZIEL et al. 1994) or not. Already published and new isotope data aim at a better understanding of the timing of intrusive, metamorphic and deformational events in NW Argentina. These age data are substantial for recognition of a potential Laurentia-Gondwana interaction during the Early Palaeozoic.

Key concepts: Gondwana, Laurentia, Paleozoic, Geology, Paleontology, Geochronology, Margin (machine learning), Tectonics

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