Long-distance migration and venting of methane from the base of the hydrate stability zone

RJ Davies, J Yang, MT Ireland, C Berndt… - Nature …, 2024 - nature.com
Marine methane hydrate is an ice-like substance that is stable in sediment around marine
continental margins where water depths are greater than~ 450–700 m. The release of …

Submarine canyon development controlled by slope failure and oceanographic process interactions

D Harishidayat, Y Niyazi, HA Stewart, A Al-Shuhail… - Scientific Reports, 2024 - nature.com
The southeastern Australian margin hosts a series of submarine canyons. Although the
origin and evolution of canyons within the northwestern segment of the margin is relatively …

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 …

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 …

Circular structures on the seabed: differentiating between natural and anthropogenic origins—Examples from the Southwestern Baltic Sea

GA Díaz-Mendoza, K Krämer, GA von Rönn… - Frontiers in Earth …, 2023 - frontiersin.org
Hydroacoustic observations of shallow marine environments reveal a variety of seafloor
structures–both of natural and anthropogenic origin. Natural processes can result in features …

Hydrocarbon prospectivity of the South Atlantic Orange Basin

NA Yelwa, KA Mustapha, M Opuwari… - Journal of Sedimentary …, 2024 - Springer
Abstract The Orange Basin is situated on Southwestern Africa's Atlantic shore, offshore of
South Africa and Namibia. Seismic with well-log data, geochemical interpretations, and …

Evolution of complex giant seafloor depressions at the northern Argentine continental margin (SW Atlantic Ocean) under the influence of a dynamic bottom current …

F Warnke, T Schwenk, E Miramontes… - Frontiers in Earth …, 2023 - frontiersin.org
Seafloor depressions (SD) are features commonly observed on the ocean floor. They often
occur as circular, small-sized (up to 10 s of m) incisions caused by fluid expulsion. Larger …

Channel inception through bottom‐current erosion of pockmarks revealed by numerical simulation

K Yu, A Lefebvre, W Li, W Zhan… - Earth Surface …, 2023 - Wiley Online Library
In deep‐marine environments, the inception of channels can be induced by the interaction
between bottom currents and rough topography. However, it is still unclear under which …

First evidence of (paleo) pockmarks in the Bass Strait, offshore SE Australia: A forced regression modulated shallow plumbing system

Y Niyazi, OE Eruteya, A Maitituerdi, M Warne… - Marine and Petroleum …, 2022 - Elsevier
Pockmarks are morphological expressions of seabed fluid escape along continental
margins. Identifying the underlying controls on their formation and spatial distribution is …

Mass transport processes, injectites and styles of sediment remobilization

TM Alves, S Cardona, M Rodrigues - Deepwater Sedimentary Systems, 2022 - Elsevier
Sediment remobilization of seafloor strata is linked to the early stages of sediment burial,
diagenesis and fluid migration in different geological settings. It can impact the depositional …