Marine transform faults and fracture zones: a joint perspective integrating seismicity, fluid flow and life

C Hensen, JC Duarte, P Vannucchi, A Mazzini… - Frontiers in Earth …, 2019 - frontiersin.org
Marine transform faults and associated fracture zones (MTFFZs) cover vast stretches of the
ocean floor, where they play a key role in plate tectonics, accommodating the lateral …

Water‐rich bending faults at the M iddle A merica T rench

S Naif, K Key, S Constable… - Geochemistry, Geophysics …, 2015 - Wiley Online Library
The portion of the Central American margin that encompasses Nicaragua is considered to
represent an end‐member system where multiple lines of evidence point to a substantial flux …

A tremor and slip event on the Cocos‐Caribbean subduction zone as measured by a global positioning system (GPS) and seismic network on the Nicoya Peninsula …

KC Outerbridge, TH Dixon, SY Schwartz… - Journal of …, 2010 - Wiley Online Library
In May 2007 a network of global positioning systems (GPS) and seismic stations on the
Nicoya Peninsula, of northern Costa Rica, recorded a slow‐slip event accompanied by …

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 …

Cool seafloor hydrothermal springs reveal global geochemical fluxes

CG Wheat, AT Fisher, J McManus, SM Hulme… - Earth and Planetary …, 2017 - Elsevier
We present geochemical data from the first samples of spring fluids from Dorado Outcrop, a
basaltic edifice on 23 My old seafloor of the Cocos Plate, eastern Pacific Ocean. These …

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 …

Detailed spatiotemporal evolution of microseismicity and repeating earthquakes following the 2012 Mw 7.6 Nicoya earthquake

D Yao, JI Walter, X Meng, TE Hobbs… - Journal of …, 2017 - Wiley Online Library
We apply a waveform matching technique to obtain a detailed earthquake catalog around
the rupture zone of the 5 September 2012 moment magnitude 7.6 Nicoya earthquake, with …

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 …

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 …

Marine hydrogeology: recent accomplishments and future opportunities

AT Fisher - Hydrogeology Journal, 2005 - Springer
Marine hydrogeology is a broad-ranging scientific discipline involving the exploration of fluid–
rock interactions below the seafloor. Studies have been conducted at seafloor spreading …