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Saturday, August 8, 2020 | History

1 edition of Morphotectonics of passive continental margins found in the catalog.

Morphotectonics of passive continental margins

Morphotectonics of passive continental margins

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  • 28 Currently reading

Published by Borntraeger in Berlin .
Written in English

    Subjects:
  • Geomorphology.,
  • Geology, Structural.,
  • Continental margins.

  • Edition Notes

    Statementedited by C.D. Ollier.
    SeriesZeitschrift für Geomorphologie. Supplementband,, Annals of geomorphology. Supplementband ;, 54, Zeitschrift für Geomorphologie. Supplementband ;, n.F. 54.
    ContributionsOllier, Cliff.
    Classifications
    LC ClassificationsGB405 .M67 1985
    The Physical Object
    Pagination117 p. :
    Number of Pages117
    ID Numbers
    Open LibraryOL2775938M
    ISBN 103443210546
    LC Control Number86138425

    Increasingly, researchers have reported that passive margins do not show a simple uninterrupted thermal sag pattern of post-rift subsidence following continental separation. Rather, the structural and stratigraphic development of such margins may record evidence of complex phases of differential subsidence, exhumation and fold development. Some of the fold structures observed on passive Morphotectonics of passive continental margins: application to south-western Africa. Author: Gilchrist, Alan Robert. ISNI: X Awarding Body: University of Liverpool Current Institution: University of Liverpool Date of Award: ?uin=

    ISBN: X OCLC Number: Description: pages: illustrations, maps ; 29 cm. Contents: Tectonics and sedimentation of the South Atlantic rift sequence: Cabinda, Angola / Suzan E. Brice [and others] --Growth faulting and salt diapirism: their relationship and control in the Carolina trough, eastern North America / William P. Dillon [and others] --Post-Paleozoic No headers. Continental margins refer to the region of transition from the land to the deep seafloor, i.e. between continental and oceanic crust. In an active continental margin, the boundary between the continent and the ocean is also a tectonic plate boundary, so there is a lot of geological activity around the west coast of the United States is an example of an active margin

    For many years, the two subjects of (1) postglacial rebound and its potential for generating earthquakes and (2) the seismicity of passive continental ml!rgins have been of interest and concern to earth scientists on both sides of the North Atlantic. New data and theoretical interpretations  › Earth Sciences & Geography › Geophysics & Geodesy. Morphotectonics of passive continental margins / edited by C.D. Ollier. QE M87 Continental tectonics / Geophysics Study Committee, Geophysics Research Board, Assembly of Mathematical and Physical Sciences, National Research ://


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Morphotectonics of passive continental margins Download PDF EPUB FB2

Additional Physical Format: Online version: Morphotectonics of passive continental margins. Berlin: Borntraeger, (OCoLC) Document Type: COVID Resources. Reliable information about the coronavirus (COVID) is available from the World Health Organization (current situation, international travel).Numerous and frequently-updated resource results are available from this ’s WebJunction has pulled together information and resources to assist library staff as they consider how to handle coronavirus Morphotectonics of passive continental margins edited by C.D.

Ollier (Zeitschrift für Geomorphologie. Supplementband, 54) Borntraeger,   Numerous studies have been made on the morphotectonics of continental passive margins to see how they have evolved (e.g.

Jessen, ; Godard, ; Ollier, a, b). It has often been found that the land surface rises towards the continental margin, and this rise has been explained in various ways, including isostatic response to erosion of Some mechanisms for earlier graben type subsidence and later regional downsagging of shelf and slope at passive continental margins are reviewed.

The gravity loading mechanism can explain thick sediment piles beneath some deltas but fails to account for most of the observed subsidence at margins except as a contributory factor to other primary   Great scarps are rear boundaries in a general structure of both active and passive continental margins and in their morphotectonics, and for this reason alone they are significant in the analysis of recent geodynamics, at a planetary level of this phenomenon.

3 Great scarps: basic types and occurrence Basic types of great scarps are as follows A passive continental margin has a landward, shallow continental shelf, a deeper continental slope, a continental rise, and a flat abyssal plain (Figure 2).

Figure 2. A Passive Continental Margin. Continental shelves. A continental shelf is a shallow, almost flat platform that extends seaward from the edge of the continent. The nearshore sediment is mostly sand that grades outward toward Passive Continental Margins - CliffsNotes. Passive continental margins develop along coastlines that are not tectonically active, including much of the Atlantic Ocean coastline.

Many passive continental margins have a continental rise, a very low‐angle ridge of sediment that forms between the continental slope and the abyssal plain (Figure). Morphotectonics of a high plateau on the northwestern flank of the Continental Rift of southeastern Brazil May Christine Modenesi-Gauttieria,*, Silvio Takashi Hirumaa, Claudio Riccominib aInstituto Geolo´gico-SMA, Av.

Miguel StefanoSa˜o Paulo, SP, Brazil bInstituto de Geocieˆncias-Universidade de Sa ˜o Paulo, Rua do LagoSao Paulo, SP, 1. Ollier, C.D., Morphotectonics of passive continental margins: Introduction, Zeitschrift für Geomorphologie – 9, 2. Oard, M., It’s plain to see: flat ?pg= The passive margins that are studied in this book are the Norwegian Continental Shelf, the Eastern North America and the East and West Indian Continental Margins.

The continental rifts that have been analysed are the East African Rift System, the Brazilian Continental Rift Systems and the European Cenozoic Rift System. It states how rifts and About this book. Published by the American Geophysical Union as part of the Geodynamics Series, Volume 6. The contributions to this volume have been organized into three parts reflecting the three pronged approach to the study of passive continental margins that has been made during the International Geodynamics Project.

The first part contains As rift valleys are precursors of seafloor spreading, the rift geomorphology shows which features may pre-date the formation of new continental edges.

Many modern passive margins have morphotectonic features that date back to the rift valley stage of crustal ://   The basal unconformity occurs offshore, separating older continental rocks from younger post-rift sediments.

This paper considers the palaeoplain and the basal unconformity to be the same surface. It presents a hypothesis for continental passive margins that integrates the geomorphology near the continental boundary with the offshore :// Passive continental margins The passive continental margins of eastern North America, eastern South America, western Africa, and western Europe began to form about million years ago when Pangaea began to break up.

The rift or crack that caused them to split, known as the Mid-Atlantic Ridge, now lies The NATO Advanced Research Workshop programme provided an opportuni ty to bring together a group of relevant geophysicists, geologists and geodesists from both sides of the North Atlantic, and a workshop on "Causes and Effects of Earthquakes at Passive Margins and in Areas of Postglacial Rebound on both Sides of the North Atlantic" was held in The western coast of India is a passive continental margin and its coastal low‐lands evolved geomorphologically during middle to late Tertiary times.

The associated extensive laterites testify to an important and widespread lateritization that affected western India during this :// Rifts and passive margins are extremely important for the petroleum industry, as they are areas of high sedimentation and can contain significant oil and gas resources.

This book provides a comprehensive understanding of rifts and passive margins as a whole. It synthesises in one volume the existing information devoted to specific aspects of these vitally important hydrocarbon habitats.

This Summary This chapter contains sections titled: Introduction Observations at Passive Margins Mechanisms Conclusions Passive continental margins: A review of observations and mechanisms - Scrutton - - Geodynamics Series - Wiley Online Library Evaporites at passive continental margins occupy provinces that are controlled by the tectonic setting created by rifting and early opening that acts to restrict oceanic circulation, climatic factors that favor evaporation in excess of precipitation and inflow, and eustatic sea.

Passive margins form by continental splitting which may follow an early pre-split graben stage of development. Such margins are divisible into rifted and sheared ://  Many passive continental margins around the world are characterised by elevated plateaux (i.e.

large-scale, low-relief, high-level landscapes) at 1 to 2 km or more above sea level (a.s.l.) cut by deeply incised valleys and commonly separated from an adjacent coastal plain by one or more escarpments ().Mesozoic–Cenozoic rift systems parallel to the coast are commonly present offshore The Divergent Continental Margins of the Jurassic Proto-Pannonian Basin: Implications for the Petroleum Systems of the Vienna Basin and the Moesian Platform Author(s) Gabor Tari