EARLY PALAEOZOIC GEOCHRONOLOGY AND OROGENIC EVENTS IN NW ARGENTINA
Hubert Miller
Abstract
Hubert Miller
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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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