Results 41 to 50 of about 1,547 (182)
Geochemistry, Geophysics, Geosystems, Volume 27, Issue 3, March 2026.Abstract It is recognized that mantle plumes play a direct role in generating regional uplift and producing immense volumes of basaltic magmatism, both of which can influence paleoclimate. The Icelandic Plume, beneath the North Atlantic Ocean, is of particular importance due to its size and position at a significant paleoceanographic gateway.
Nicky White +5 more
wiley +1 more source
Precession-driven changes in Iceland–Scotland Overflow Water penetration and bottom water circulation on Gardar Drift since ~ 200 ka [PDF]
, 2015 © The Author(s), 2015. This is the author's version of the work and is distributed under the terms of the Creative Commons Attribution License. The definitive version was published in Palaeogeography, Palaeoclimatology, Palaeoecology 440 (2015): 561-563,
Chalk, Thomas B. +2 more
core +2 more sources
Cenozoic North Atlantic deep circulation history recorded in contourite drifts, offshore Newfoundland, Canada [PDF]
Marine Geology, 2017 In the North Atlantic Ocean, contour-following deep currents have created regional erosional unconformities and deposited contourite drifts that exceed 2 km in thickness and extend for 100 s of km. The stratigraphic records in the drifts have been used to reconstruct variations in North Atlantic deep-water circulation throughout the Cenozoic; however ...
Boyle, Patrick R. +5 more
openaire +1 more source
Geochemistry, Geophysics, Geosystems, Volume 27, Issue 3, March 2026.Abstract Tectonic subsidence, sea level, and paleoclimate reconstructions using marine records rely on accurate decompaction of the sediment column. Over time, increased overburden pressure from burial decreases sediment porosity with depth. The porosity‐depth relationship is lithology‐dependent and can be represented by an exponential function ...
Haley Svadlenak +2 more
wiley +1 more source
Paleoceanography and Paleoclimatology, Volume 41, Issue 2, February 2026.Abstract Dense shelf water (DSW) formed on Antarctica's continental shelves is a significant precursor for Antarctic Bottom Water (AABW), a critical component of global overturning circulation. We hypothesize that DSW cascades off the central Ross Sea shelf generated density currents that entrained sediment as they flowed down Hillary Canyon, resulting
Natalia Varela +6 more
wiley +1 more source
Geomorphological and sedimentary processes of the glacially influenced northwestern Iberian continental margin and abyssal plains [PDF]
, 2018 The offshore region of northwestern Iberia offers an opportunity to study the impacts of along-slope processes on the morphology of a glacially influenced continental margin, which has traditionally been conceptually characterised by predominant down ...
Adolfo Maestro +254 more
core +1 more source
Contourite identification along Italian margins: The case of the Portofino drift (Ligurian Sea) [PDF]
Marine and Petroleum Geology, 2017 Abstract A brief review of the published evidence of current deposits around Italy is the occasion to test the robustness of matching bottom current velocity models and seafloor morphologies to identify contourite drifts not yet documented. We present the result of the regional hydrodynamic model MARS3D in the Northern Tyrrhenian and Ligurian Sea ...
Cattaneo, Antonio +7 more
openaire +4 more sources
Geochemistry, Geophysics, Geosystems, Volume 27, Issue 1, January 2026.Abstract Bulk (whole sample) magnetic properties of three‐hundred‐sixty‐two samples from five North Atlantic Ocean sediment cores are compared to the magnetic properties of five grain‐size fractions separated from the same samples. The relative abundance and magnetic properties of the size fractions are highly variable both within a core and among ...
R. G. Hatfield +5 more
wiley +1 more source
Contourite or turbidite?: magnetic fabric of fine-grained Quaternary sediments, Nova Scotia continental rise [PDF]
, 1984 Samples of three piston cores and one gravity core from the Nova Scotia continental rise (depths 4210-4925 m) have been examined to differentiate parallel-to-slope and downslope depositional processes in Quaternary deposits from a region presently ...
Flood, Roger D. +2 more
core +2 more sources
Dynamic Controls on Salt Structures and Translation Velocity at Continental Rifted Margins
Journal of Geophysical Research: Solid Earth, Volume 131, Issue 1, January 2026.Abstract Salt tectonics at rifted margins involves intricate interactions between weak, viscous evaporite layers and brittle sedimentary rocks. Geophysical data and geological interpretation offer valuable insights into evaporite structure formation and the average translation rate of evaporite and sediment layers on time scales of several million ...
Zhichen Wang +6 more
wiley +1 more source