Seamounts as conduits for massive fluid, heat, and solute fluxes on ridge flanks

AT Fisher, CG Wheat - Oceanography, 2010 - JSTOR
Seamounts play a fundamental role in facilitating the exchange of fluids, heat, and solutes
between the oceanic lithosphere and the overlying ocean. Global heat flow compilations …

On shear stresses, temperatures, and the maximum magnitudes of earthquakes at convergent plate boundaries

P England - Journal of Geophysical Research: Solid Earth, 2018 - Wiley Online Library
Apparent coefficients of friction,, on nine subduction interfaces for which surface heat flux
constraints exist fall in the range. Surface heat flux above the maximum depth of thrust …

Geological storage of CO2 in sub-seafloor basalt: the CarbonSAFE pre-feasibility study offshore Washington State and British Columbia

D Goldberg, L Aston, A Bonneville, I Demirkanli… - Energy Procedia, 2018 - Elsevier
Abstract The CarbonSAFE Cascadia project team is conducting a pre-feasibility study to
evaluate technical and nontechnical aspects of collecting and storing 50 MMT of CO 2 in a …

Large heat and fluid fluxes driven through mid-plate outcrops on ocean crust

M Hutnak, AT Fisher, R Harris, C Stein, K Wang… - Nature …, 2008 - nature.com
Hydrothermal circulation on the sea floor at mid-ocean ridge flanks extracts∼ 30% of heat
from the oceanic lithosphere on a global basis and affects numerous tectonic, magmatic and …

The hydrothermal alteration of cooling lava domes

JL Ball, PH Stauffer, ES Calder, GA Valentine - Bulletin of Volcanology, 2015 - Springer
Hydrothermal alteration is a recognized cause of volcanic instability and edifice collapse,
including that of lava domes or dome complexes. Alteration by percolating fluids transforms …

Hydrothermal circulation and the thermal structure of shallow subduction zones

RN Harris, GA Spinelli, AT Fisher - Geosphere, 2017 - pubs.geoscienceworld.org
Hydrothermal circulation within oceanic basement can have a profound influence on
temperatures in the upper crust, including those close to the subduction thrust and in the …

Massive, low‐temperature hydrothermal flow from a basaltic outcrop on 23 Ma seafloor of the Cocos Plate: Chemical constraints and implications

CG Wheat, AT Fisher - Geochemistry, Geophysics, Geosystems, 2008 - Wiley Online Library
Systematic variations in pore water chemical and thermal profiles from sediment gravity
cores indicate the presence of a “cool”(10–20° C) ridge‐flank hydrothermal system within …

New isotope constraints on the Mg oceanic budget point to cryptic modern dolomite formation

N Shalev, TRR Bontognali, CG Wheat… - Nature communications, 2019 - nature.com
The oceanic magnesium budget is important to our understanding of Earth's carbon cycle,
because similar processes control both (eg, weathering, volcanism, and carbonate …

Fluids from the oceanic crust support microbial activities within the deep biosphere

B Engelen, K Ziegelmüller, L Wolf, B Köpke… - Geomicrobiology …, 2008 - Taylor & Francis
The importance of crustal fluid chemical composition in driving the marine deep subseafloor
biosphere was examined in northeast Pacific ridge-flank sediments. At IODP Site U1301 …

The deep subsurface biosphere in igneous ocean crust: frontier habitats for microbiological exploration

KJ Edwards, AT Fisher, CG Wheat - Frontiers in microbiology, 2012 - frontiersin.org
We discuss ridge flank environments in the ocean crust as habitats for subseafloor microbial
life. Oceanic ridge flanks, areas far from the magmatic and tectonic influence of seafloor …