Results 1 to 10 of about 344,095 (178)

Asymmetric magma plumbing system beneath Axial Seamount based on full waveform inversion of seismic data [PDF]

open access: yesNature Communications
The architecture of magma plumbing systems plays a fundamental role in volcano eruption and evolution. However, the precise configuration of crustal magma reservoirs and conduits responsible for supplying eruptions are difficult to explore across most ...
Jidong Yang   +8 more
doaj   +3 more sources

Microbiological characterization of post-eruption "snowblower" vents at Axial Seamount, Juan de Fuca Ridge [PDF]

open access: yesFrontiers in Microbiology, 2013
Microbial processes within the subseafloor can be examined during the ephemeral and uncommonly observed phenomena known as snowblower venting. Snowblowers are characterized by the large quantity of white floc that is expelled from the seafloor following ...
Julie L Meyer   +4 more
doaj   +6 more sources

Petrological variability of recent magmatism at Axial Seamount summit, Juan de Fuca Ridge

open access: yesGeochemistry, Geophysics, Geosystems, 2013
A combined study of mapping, observational, age constraint, and geochemical data at the summit of Axial Seamount, Juan de Fuca Ridge, has revealed its recent petrological history. Multiple basalt types erupted at the summit in a time sequence.
Brian M. Dreyer   +2 more
doaj   +3 more sources

Geologic history of the summit of Axial Seamount, Juan de Fuca Ridge

open access: yesGeochemistry, Geophysics, Geosystems, 2013
Multibeam (1 m resolution) and side scan data collected from an autonomous underwater vehicle, and lava samples, radiocarbon‐dated sediment cores, and observations of flow contacts collected by remotely operated vehicle were combined to reconstruct the ...
David A. Clague   +11 more
doaj   +3 more sources

Observation and Modeling of Hydrothermal Response to the 2015 Eruption at Axial Seamount, Northeast Pacific [PDF]

open access: yesGeochemistry, Geophysics, Geosystems, 2018
The 2015 eruption at Axial Seamount, an active volcano at a depth of 1500 m in the Northeast Pacific, marked the first time a seafloor eruption was detected and monitored by an in situ cabled observatory—the Cabled Array, which is part of the Ocean ...
Guangyu Xu   +4 more
doaj   +3 more sources

Chemical Variations in the 1998, 2011, and 2015 Lava Flows From Axial Seamount, Juan de Fuca Ridge: Cooling During Ascent, Lateral Transport, and Flow

open access: yesGeochemistry, Geophysics, Geosystems, 2018
Lava flows erupted at Axial Seamount in 1998, 2011, and 2015 are chemically heterogeneous and display decreases in MgO content in their glass rinds with increasing distance from the summit.
David A. Clague   +6 more
doaj   +2 more sources

Metabolic and population profiles of active subseafloor autotrophs in young oceanic crust at deep-sea hydrothermal vents [PDF]

open access: yesApplied and Environmental Microbiology
At deep-sea hydrothermal vents, magmatically driven rock-water reactions in the crust generate gases and other reduced compounds that subseafloor microorganisms use for chemolithoautotrophy.
Sabrina M. Elkassas   +13 more
doaj   +2 more sources

Selection Is a Significant Driver of Gene Gain and Loss in the Pangenome of the Bacterial Genus Sulfurovum in Geographically Distinct Deep-Sea Hydrothermal Vents [PDF]

open access: yesmSystems, 2020
Microbial genomes have highly variable gene content, and the evolutionary history of microbial populations is shaped by gene gain and loss mediated by horizontal gene transfer and selection.
Alief Moulana   +3 more
doaj   +2 more sources

Voluminous Inflated Lobate Flows on the Distal Rift Zones of Axial Seamount, Juan de Fuca Spreading Ridge

open access: yesGeochemistry, Geophysics, Geosystems
Three voluminous inflated lobate lava flow complexes on the distal rifts of Axial Seamount are much larger than other known flows in the global spreading system.
Jennifer B. Paduan   +5 more
doaj   +2 more sources

Faulting and Magmatic Accretion Across the Overlapping Spreading Center Between Vance Segment and Axial South Rift, Juan de Fuca Ridge

open access: yesGeochemistry, Geophysics, Geosystems, 2022
Plate divergence along mid‐ocean ridges is accommodated through faulting and magmatic accretion, and, at overlapping spreading centers (OSC), is distributed across two curvilinear overlapping ridge axes.
M. Le Saout, D. A. Clague, J. B. Paduan
doaj   +1 more source

Home - About - Disclaimer - Privacy