Occurrence and characterization of tremolite asbestos from the Mid Atlantic Ridge [PDF]
Scientific Reports, 2021 Tremolite is one of the most common amphibole species and, in the fibrous form (i.e., characterized by crystals/particles consisting of fibres with length > 5 µm, width 3), one of the six asbestos minerals.
Dario Di Giuseppe +8 more
doaj +2 more sources
Detachment tectonics at Mid-Atlantic Ridge 26°N [PDF]
Scientific Reports, 2019 AbstractSpreading processes associated with slow-spreading ridges are a complex interplay of volcanic accretion and tectonic dismemberment of the oceanic crust, resulting in an irregular seafloor morphology made up of blocks created by episodes of intense volcanic activity or tectonic deformation. These blocks undergo highly variable evolution, such as
Szitkar, Florent +8 more
openaire +9 more sources
Mantle thermal pulses below the Mid-Atlantic Ridge and temporal variations in the formation of oceanic lithosphere [PDF]
Nature, 2003 A 20-Myr record of creation of oceanic lithosphere is exposed along a segment of the central Mid-Atlantic Ridge on an uplifted sliver of lithosphere. The degree of melting of the mantle that is upwelling below the ridge, estimated from the chemistry of ...
AC Lasaga +47 more
core +4 more sources
Microbial iron mats at the Mid-Atlantic Ridge and evidence that Zetaproteobacteria may be restricted to iron-oxidizing marine systems. [PDF]
PLoS ONE, 2015 Chemolithoautotrophic iron-oxidizing bacteria play an essential role in the global iron cycle. Thus far, the majority of marine iron-oxidizing bacteria have been identified as Zetaproteobacteria, a novel class within the phylum Proteobacteria.
Jarrod J Scott +3 more
doaj +2 more sources
Geophysical Monograph Series, Page 1-26., 2021 Exploring the links between Large Igneous Provinces and dramatic environmental impact
An emerging consensus suggests that Large Igneous Provinces (LIPs) and Silicic LIPs (SLIPs) are a significant driver of dramatic global environmental and biological changes, including mass extinctions.
Richard E. Ernst +8 more
wiley +6 more sources
Estimates of the mean circulation in the deep (>2,000m) layer of the Eastern North Atlantic [PDF]
, 1985 A total of 131 current meter records of between 6 and 24 month duration are analysed to describe the deep flow field of the eastern North Atlantic from 19° to 54°N and from the Continental Slope to the Mid Atlantic Ridge.
Dickson, R. R. +3 more
core +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
A joint geochemical–geophysical record of time-dependent mantle convection south of Iceland [PDF]
, 2014 The North Atlantic V-Shaped Ridges (VSRs) provide a spatially extensive and clear record of unsteady mantle convective circulation over >40 My>40 My.
S.M. Jones +75 more
core +5 more sources
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