Results 1 to 10 of about 2,782 (220)

Unveiling the contourite depositional system in the Vema Fracture Zone (Central Atlantic) [PDF]

open access: yesScientific Reports, 2023
A combination of a high sediment input and intense bottom currents often leads to the formation of contourites (sediments deposited or significantly reworked by bottom currents). Both of these components are present in the Vema Fracture Zone valley which
Dmitrii G. Borisov   +6 more
doaj   +2 more sources

Lateral migration of large sedimentary bodies in a deep-marine system offshore of Argentina [PDF]

open access: yesScientific Reports, 2021
Contourite features are increasingly identified in seismic data, but the mechanisms controlling their evolution remain poorly understood. Using 2D multichannel reflection seismic and well data, this study describes large Oligocene- to middle Miocene-aged
Adam Kirby   +2 more
doaj   +2 more sources

The Late Miocene Rifian corridor as a natural laboratory to explore a case of ichnofacies distribution in ancient gateways [PDF]

open access: yesScientific Reports, 2021
Oceanic gateways have modulated ocean circulation and have influenced climatic variations throughout the Earth´s history. During the late Miocene (7.8–7.35 Ma), the Atlantic Ocean and the Mediterranean Sea were connected through the Rifian Corridor ...
Olmo Miguez-Salas   +2 more
doaj   +2 more sources

Evolution and morphology of a contourite depositional system based on new evidence from 3D-seismic data offshore Madagascar (Paleogene, Morondava Basin) [PDF]

open access: yesScientific Reports, 2022
Numerous bottom current-controlled depositional and erosional features, which together form Contourite Depositional Systems (CDS), have been recognized in deep-water settings over the past decade.
F. Javier Hernández-Molina   +8 more
doaj   +2 more sources

Isolation of the South China Sea from the North Pacific Subtropical Gyre since the latest Miocene due to formation of the Luzon Strait [PDF]

open access: yesScientific Reports, 2021
The North Pacific subtropical gyre (NPSG) plays a major role in present global ocean circulation. At times, the gyre has coursed through the South China Sea, but its role in the evolutionary development of that Sea remains uncertain.
Shaoru Yin   +5 more
doaj   +2 more sources

Carbonate contourite drifts in the southwest South China Sea: Sedimentary, paleoceanographic and economic implications

open access: yesFrontiers in Marine Science, 2022
Contourite drifts are significant sedimentary features and provide clues for the reconstruction of paleoceanography and paleoenvironment. Although they have been increasingly identified in the world’s ocean, shallow-water contourite drifts (< 300 m ...
Ming Su
exaly   +3 more sources

Ferromanganese nodules and micro-hardgrounds associated with the Cadiz Contourite Channel (NE Atlantic): Palaeoenvironmental records of fluid venting and bottom currents [PDF]

open access: yesChemical Geology, 2012
Ferromanganese nodule fields and hardgrounds have recently been discovered in the Cadiz Contourite Channel in the Gulf of Cadiz (850–1000 m). This channel is part of a large contourite depositional system generated by the Mediterranean Outflow Water ...
Francisco Javier Gonzalez   +2 more
exaly   +4 more sources

The Cadiz Contourite Channel: Sandy contourites, bedforms and dynamic current interaction [PDF]

open access: yesMarine Geology, 2013
The Cadiz Contourite Channel is the largest and most prominent contourite channel in the middle slope of the Gulf of Cadiz, and is known to channelise the southern branch of the Lower Core of Mediterranean Outflow Water (MOW) as it flows westwards from the Gibraltar Gateway.
Estefania Llave   +2 more
exaly   +4 more sources

South China Sea records Late Miocene reorganization of western Pacific deep circulation [PDF]

open access: yesNature Communications
Oceanic gateways play a crucial role in controlling global ocean circulation. However, gateway effects on low-latitude deep-water circulation are poorly understood.
Shan Liu   +12 more
doaj   +2 more sources

Onset of strong Iceland-Scotland overflow water 3.6 million years ago [PDF]

open access: yesNature Communications
North Atlantic Deep Water (NADW), the return flow component of the Atlantic Meridional Overturning Circulation (AMOC), is a major inter-hemispheric ocean water mass with strong climate effects but the evolution of its source components on million-year ...
Matthias Sinnesael   +35 more
doaj   +2 more sources

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