Results 11 to 20 of about 55,232 (202)
Geochemistry, Geophysics, Geosystems, 2021 The ocean lithosphere represents a simple realisation of the tectonic plate, offering a unique opportunity to better understand its physical and chemical properties in relationship to those of the underlying asthenosphere.
Utpal Saikia +3 more
doaj +1 more source
Journal of Marine Science and Engineering, 2023 Mid-ocean ridge basalts (MORBs), produced at mid-ocean ridge where the continents and subduction zones are distant, are the product of partial melting of the upper mantle and their chemical composition can provide information about the mantle itself. The
Tianxiao Ji, Zhigang Zeng
doaj +1 more source
Mid-Ocean Ridge and Storm Enhanced Mixing in the Central South Atlantic Thermocline
Frontiers in Marine Science, 2022 We investigate the spatial distribution of diapycnal mixing and its drivers in the central South Atlantic thermocline between the Rio-Grande Rise to the Mid-Atlantic Ridge.
Jingxuan Wei +2 more
doaj +1 more source
Geochemistry, Geophysics, Geosystems, 2020 The permeability, connectivity, and reactivity of fluid reservoirs in oceanic crust are poorly constrained, yet these reservoirs are pathways for about a quarter of the Earth's heat loss, and seawater‐rock exchange within them impact ocean chemical ...
C. Geoffrey Wheat +6 more
doaj +1 more source
The Energetic 2022 Seismic Unrest Related to Magma Intrusion at the North Mid‐Atlantic Ridge
Geophysical Research Letters, 2023 A seismic swarm affected the 53.3°–54.3° Latitude North section of the Mid‐Atlantic Ridge from 26 September to 10 December 2022. We rely on regional, teleseismic and array data to relocate 61 hypocenters and derive 77 moment tensors.
S. Cesca +3 more
doaj +1 more source
Research and outreach at the Mid-Atlantic Ridge [PDF]
Astronomy & Geophysics, 2016 Roger Searle, Christine Peirce and Angela Bentley look at research on oceanic core complexes and detachments at the Mid-Atlantic Ridge, combined with innovative geophysics outreach.
Searle, R.C., Peirce, C., Bentley, A.M.
openaire +2 more sources
South Scandinavian joints and Alpine/Atlantic-ridge tectonics
Annals of Geophysics, 2000 Field observations and studies of the joints and dykes in an area shed light on its younger tectonic development; thus, joint orientations measured in Southern Sweden and in Norway have been statistically studied and compared regarding their tectonic ...
A. E. Scheidegger, F. F. Zheng
doaj +1 more source
Lebensspuren of the Bathyal Mid-Atlantic Ridge [PDF]
Deep Sea Research Part II: Topical Studies in Oceanography, 2013 The extent of megafaunal bioturbation was characterised at flat sedimented sites on the Mid-Atlantic Ridge (MAR) at 2500 m depth. This study investigated the properties of and spatial variation in surficial bioturbation at the MAR. Lebensspuren assemblages were assessed at four superstations either side of the MAR and in two different surface ...
Bell, James B. +2 more
openaire +4 more sources
Geophysical Research Letters, 2019 In the South Atlantic, a reorganization of the Mid‐Atlantic Ridge began before anomaly C34n (83.6 Ma) and ended before anomaly C30n (66.4 Ma), complicating tectonics of Rio Grande Rise and older Walvis Ridge (WR), which formed together at the Mid ...
S. Thoram, W. W. Sager, W. Jokat
doaj +1 more source
Changes in water mass composition and circulation in the central Arctic Ocean between 2011 and 2021 inferred from tracer observations [PDF]
Ocean ScienceThe Arctic Ocean is changing rapidly and Atlantic Water circulation plays a key role in the warming, sea-ice decline, and ecosystem changes observed in the Arctic.
A.-M. Wefing +9 more
doaj +1 more source