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The Argentina Continental Margin

A Potential Paleoclimatic-Paleoceanographic Archive for the Southern Ocean

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  • © 2017

Overview

Authors:
  1. Roberto A. Violante

    1. Department of Oceanography Division of Marine Geology & Geophysics, Argentina Hydrographic Survey, Buenos Aires, Argentina

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  2. Cecilia Laprida

    1. National Council of Scientific and Techn University of Buenos Aires, Institute of Andean Studies "Don Pablo G, Buenos Aires, Argentina

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  3. Natalia L. García Chapori

    1. National Council of Scientific and Techn University of Buenos Aires, Institute of Andean Studies "Don Pablo G, Buenos Aires, Argentina

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Part of the book series: SpringerBriefs in Earth System Sciences (BRIEFSEARTHSYST)

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Table of contents (8 chapters)

  1. Front Matter

    Pages i-xv
    Download chapter PDF

  2. Introduction

    • Roberto A. Violante, Cecilia Laprida, Natalia L. García Chapori
    Pages 1-2

  3. Continental Margins in the Global Context

    • Roberto A. Violante, Cecilia Laprida, Natalia L. García Chapori
    Pages 3-9

  4. The Argentina Continental Margin: Location and Significance

    • Roberto A. Violante, Cecilia Laprida, Natalia L. García Chapori
    Pages 11-32

  5. Morphosedimentary Configuration of the Argentina Continental Margin

    • Roberto A. Violante, Cecilia Laprida, Natalia L. García Chapori
    Pages 33-54

  6. Climate and Oceanographic Background

    • Natalia L. García Chapori, Cecilia Laprida, Roberto A. Violante
    Pages 55-69

  7. Principles of Paleoceanographic Reconstruction

    • Cecilia Laprida, Natalia L. García Chapori, Roberto A. Violante
    Pages 71-90

  8. State of the Art in the Paleoceanographic Reconstructions at the Argentina Continental Margin

    • Cecilia Laprida, Natalia L. García Chapori, Roberto A. Violante
    Pages 91-110

  9. Conclusions

    • Roberto A. Violante, Cecilia Laprida, Natalia L. García Chapori
    Pages 111-117
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Keywords

About this book

The evolution of the Argentina Continental Margin during the Quaternary and the stratigraphic and morphosedimentary configuration responded to climatic variability, oceanographic changes, glacioeustatic fluctuations and tectono-isostatic processes, which began to impact on the margin during previous geological periods. The final modeling of the margin was achieved in the late Miocene, when the interaction between the Antarctic and North Atlantic water-masses favored climatic and oceanographic changes with a profound effect on morphosedimentary features. In the Quaternary, the different regions of the margin distinctly responded to such changes. Whereas in the shelf the main modeling factors were the sea-level fluctuations of glacioeustatic origin and consequent marine-continental stratigraphic records, in the slope (particularly in the sector corresponding to the passive margin) the prevailing effect was the interaction between water-masses and the sea floor, giving origin to contouritic depositional systems accompanied of gravity processes responsible of turbiditic and mass-wasting deposits. Different relationships between contouritic and turbiditic facies respond to distinct combinations of oceanic circulation variability and the indirect effect on the sea floor of sea-level fluctuations.
As a result of this complexity in the regional processes in the framework of the broad hemispheric oceanographic-climatic conditioning factors, the ACM can be considered as a complete archive for the Southern Ocean.

Authors and Affiliations

  • Department of Oceanography Division of Marine Geology & Geophysics, Argentina Hydrographic Survey, Buenos Aires, Argentina

    Roberto A. Violante

  • National Council of Scientific and Techn University of Buenos Aires, Institute of Andean Studies "Don Pablo G, Buenos Aires, Argentina

    Cecilia Laprida, Natalia L. García Chapori

About the authors

Dr. Roberto Antonio Violante has a degree in Geology from the Faculty of Natural Sciences, University of La Plata, Argentina. Basic degree obtained in 1975. PhD obtained in 1988. Specialized in Coastal Geology at Florida State University, Tallahassee, Florida, USA.
He has been working at the Argentina Hydrographic Survey since 1975, in the division of Marine Geology and Geophysics (Department of Oceanography). He is presently a Principal Researcher, Projects Director and Chief of the Marine Geology Section. His main research interests are: marine, coastal and lacustrine geology; sedimentary process; seismic-stratigraphy; geomorphology; marine sedimentation (shelf-slope); contouritic and turbiditic processes.

Dr. Cecilia Laprida has adegree in Biology from the Faculty of Natural Sciences, University of Buenos Aires (Argentina), obtained in 1992, and a PhD degree in Biology obtained in 1998. Specialized in Micropaleontology, she presently acts as Professor of Paleobiology at the Ecology, Genetics and Evolution Department at Buenos Aires University, and Independent Researcher of the National Council of Scientific and Technical Research in the Institute of Andean Studies “Don Pablo Groeber” (UBA-CONICET). Her main research interests are foraminifera and ostracods as proxies for Late Quaternary climatic and environmental reconstructions in marine and continental settings.


Dr. Natalia García Chapori has a degree in Biology from the Faculty of Natural Sciences, University of Buenos Aires (Argentina), obtained in 2007, and a PhD degree in Geology obtained in 2013. Specialized in the Paleoceanography of the western South Atlantic during the Quaternary, she presently acts as Assistant Researcher of the National Council of Scientific and Technical Researchin the SACMa group of the Institute of Andean Studies “Don Pablo Groeber” (UBA-CONICET). Her main research interests are: paleocenographic and paleoclimatic reconstruction of the quaternary, foraminifera as environmental proxies; multivariate statistics as tool of environmental reconstruction.

Bibliographic Information

  • Book Title: The Argentina Continental Margin

  • Book Subtitle: A Potential Paleoclimatic-Paleoceanographic Archive for the Southern Ocean

  • Authors: Roberto A. Violante, Cecilia Laprida, Natalia L. García Chapori

  • Series Title: SpringerBriefs in Earth System Sciences

  • DOI: https://doi.org/10.1007/978-3-319-04196-4

  • Publisher: Springer Cham

  • eBook Packages: Earth and Environmental Science, Earth and Environmental Science (R0)

  • Copyright Information: The Author(s) 2017

  • Softcover ISBN: 978-3-319-04195-7Published: 31 March 2017

  • eBook ISBN: 978-3-319-04196-4Published: 24 March 2017

  • Series ISSN: 2191-589X

  • Series E-ISSN: 2191-5903

  • Edition Number: 1

  • Number of Pages: XV, 117

  • Number of Illustrations: 2 b/w illustrations, 13 illustrations in colour

  • Topics: Paleontology, Oceanography, Geomorphology, Sedimentology

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