Structures in shallow marine sediments associated with gas and fluid migration

G Ma, L Zhan, H Lu, G Hou - Journal of Marine Science and Engineering, 2021 - mdpi.com
Geological structure changes, including deformations and ruptures, developed in shallow
marine sediments are well recognized but were not systematically reviewed in previous …

Contourite distribution and bottom currents in the NW Mediterranean Sea: Coupling seafloor geomorphology and hydrodynamic modelling

E Miramontes, P Garreau, M Caillaud, G Jouet… - Geomorphology, 2019 - Elsevier
Contourites are common morphological features along continental margins where currents
encounter the seafloor. They can provide long-term archives of palaeoceanography, may be …

Underwater surveys reveal deep-sea corals in newly explored regions of the southwest Atlantic

NF Carvalho, LG Waters, RCM Arantes… - … Earth & Environment, 2023 - nature.com
Deep-sea coral distribution and composition are unknown in much of the global ocean, but
repurposing ocean industry surveys can fill that gap. In Santos Basin, southeast Brazil, areas …

3D seismic evidence for a single Early Pleistocene glaciation of the central North Sea

D Ottesen, CL Batchelor, H Løseth, H Brunstad - Science Advances, 2024 - science.org
Efforts to understand how Pleistocene climate changes were translated into fluctuations in
ice sheet extent and volume are limited by a lack of consensus about the glacial history of …

Origin and evolution of widespread crescentic pockmarks on the western South China Sea margin

L Wang, F Zhao, E Miramontes - Marine and Petroleum Geology, 2024 - Elsevier
Pockmarks are prominent morphological features formed by fluid escape at the seafloor that
provide valuable information on past environmental conditions and ongoing sedimentary …

Evidence for methane seepage in South Atlantic from the occurrence of authigenic gypsum and framboidal pyrite in deep-sea sediments

RC Dantas, MB Hassan, FW Cruz, L Jovane - Marine and Petroleum …, 2022 - Elsevier
An association of authigenic pyrite and gypsum has been found in deep-sea sediments from
a core retrieved on the continental slope of the Santos Basin, South Atlantic. Pyrite occur …

Inorganic and organic geochemical fingerprinting of sediment sources and ocean circulation on a complex continental margin (São Paulo Bight, Brazil)

MM de Mahiques, TJJ Hanebuth, RH Nagai… - Ocean …, 2017 - os.copernicus.org
In this study, we use inorganic (metal) and organic (bulk and molecular) markers in sediment
samples of the south-eastern Brazilian margin to investigate the response of geochemical …

Lateral shift from turbidite-to contourite-dominated continental slope, a case study from southeast Brazil slope

U Schattner, CB Rocha, RB Ramos, N Shtober-Zisu… - Geomorphology, 2024 - Elsevier
New bathymetric and subsurface data from the Santos Basin, offshore southeast Brazil,
reveal sharp lateral morphological variations facing the margin-parallel (along-margin) flow …

[HTML][HTML] Geophysical and geochemical exploration of the pockmark field in the Gulf of Patras: New insights on formation, growth and activity

D Christodoulou, G Papatheodorou, M Geraga… - Applied Sciences, 2023 - mdpi.com
The Patras Gulf Pockmark field is located in shallow waters offshore Patras City (Greece)
and is considered one of the most spectacular and best-documented fluid seepage activities …

The diverse morphology of pockmarks around Aotearoa New Zealand

JIT Hillman, SJ Watson, KL Maier… - Frontiers in Marine …, 2023 - frontiersin.org
Seafloor pockmarks are abundant around Aotearoa New Zealand, occurring across a
diverse range of tectonic, sedimentological and geomorphological settings. Globally, the …