Results 201 to 210 of about 3,841 (247)

Characteristics of modern carbonate contourite drifts

Sedimentology, 2019
AbstractCarbonate environments inhabit the realm of the surface, intermediate and deep currents of the ocean circulation where they produce and continuously deliver material which is potentially deposited into contourite drifts. In the tropical realm, fine‐grained particles produced in shallow water and transported off‐bank by tidal, wind‐driven, and ...
Gregor P. Eberli, Christian Betzler
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Contourite Drifts and Associated Bedforms

2017
Contourites, also known as alongslope deposits, are sediments that have been deposited or significantly affected by the persistent action of contour (bottom) currents. Contourite drifts are the large-scale morphological expression of contourite deposition, up to 106 km2 in area and >1 km in thickness.
Ibimina Esentia, Dorrik Stow, Zeinab Smillie   +2 more
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THE ROLE OF BOTTOM MESO-SCALE DYNAMICS IN CONTOURITE FORMATION IN THE ARGENTINE BASIN

Journal of Sedimentary Research
The Argentine Basin is a deep-sea basin located in the South Atlantic Ocean that contains sedimentary deposits derived from different provenances. It is characterized by complex ocean dynamics encompassing diverse spatial and temporal dimensions.
G. Kreps, T. Schwenk, Silvia Romero, Agustín Quesada, J. Gruetzner, V. Spiess, H. Keil, Ruben Kantner, Lembke-Jene Lester, Ramiro Ferrari, F. Lamy, E. Miramontes   +11 more
semanticscholar   +1 more source

Chapter 20 Shallow-Water Contourites

2008
Publisher Summary This chapter focuses on some quaternary examples of shallow-water contourites from a wide variety of quaternary geological settings such as the outer shelf of the SE-African continental margin and the Mediterranean shallow-water contourite deposits.
G. Verdicchio, F. Trincardi
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Chapter 18 Abyssal Plain Contourites

2008
Publisher Summary Abyssal plain contourites are of great significance for palaeoceanographic reconstructions. Ocean basins in general and abyssal plains in particular contain extensive sheeted depositional systems characterized by many thin-bedded-distal turbidites, rare but very large-scale megaturbidites, and interbedded-hemipelagic and pelagic ...
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Seismic features diagnostic of contourite drifts

Marine Geology, 1999
Abstract The sedimentary construction of oceanic margins is most often carried out by the combined action of gravitational processes and processes related to bottom (contour) currents. One of the major difficulties encountered in the interpretation of seismic profiles crossing such margins is the differentiation of these two types of deposit ...
Jean-Claude Faugères, Dorrik A.V Stow, Patrice Imbert, Adriano Viana   +3 more
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The role of submarine landslides in the initiation and evolution of moat–drift contourite systems

Sedimentology
Moat–drift contourite systems, formed by interaction of alongslope bottom currents with bathymetric features, provide critical insights into palaeoceanographic changes. However, the role of submarine landslides in their initiation and evolution remains
Yuxiang Yang, Wei Li, Tiago M. Alves, Song Jing, M. Rebesco, Jin Yang   +5 more
semanticscholar   +1 more source

The Lofoten contourite drift off Norway

Marine Geology, 1999
Abstract Based on high-resolution and multichannel seismic data, a contourite drift, the Lofoten Drift, has been identified below ca. 1000 m water depth on the continental slope off Norway. The Lofoten Drift has a maximum thickness of about 360 m. Correlation to published seismic stratigraphy implies a Neogene age.
J.S Laberg, T.O Vorren, S.-M Knutsen
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Chapter 21 Mixed Turbidite–Contourite Systems

2008
Publisher Summary Turbidity currents are energetic unsteady processes with velocities usually ranging from a few decimetres, toa few metres or a few tens of metres per second. This chapter illustrates the low-frequency contourite and turbidite alternations; high-frequency contourite and turbidite alternations; redistribution of gravity deposits by ...
T. Mulder, J.-C. Faugères, E. Gonthier
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Contourite Anticlines as Exploration Objectives: ABSTRACT

AAPG Bulletin, 1979
Regional seismic profiles off the east coast of the United States gathered by the University of Texas Marine Science Institute and Woods Hole Oceanographic Institute have crossed three types of contourite anticlines. They are symmetric, asymmetric, and half-anticlinal forms and have up to 3,000 ft (1,000 m) of relief.
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