Two-stage subduction history under North America inferred from multiple-frequency tomography

K Sigloch, N McQuarrie, G Nolet - Nature Geoscience, 2008 - nature.com
Eastward subduction of oceanic tectonic plates has shaped the geologic history of western
North America over the past 150 million years,,,. The mountain-building and volcanism that …

Global trench migration velocities and slab migration induced upper mantle volume fluxes: Constraints to find an Earth reference frame based on minimizing viscous …

WP Schellart, DR Stegman, J Freeman - Earth-Science Reviews, 2008 - Elsevier
Since the advent of plate tectonics different global reference frames have been used to
describe the motion of plates and trenches. The difference in plate motion and trench …

On the relationships between slab dip, back‐arc stress, upper plate absolute motion, and crustal nature in subduction zones

S Lallemand, A Heuret… - Geochemistry, Geophysics …, 2005 - Wiley Online Library
Statistical analysis of modern oceanic subduction zone parameters, such as the age of a
downgoing plate or the absolute plate motions, is performed in order to investigate which …

The thermal structure of subduction zone back arcs

CA Currie, RD Hyndman - Journal of Geophysical Research …, 2006 - Wiley Online Library
It is well recognized that active arc volcanism at nearly all subduction zones requires
temperatures greater than 1200° C in the subarc mantle, despite the underthrusting cool …

High‐resolution models of subduction zones: Implications for mineral dehydration reactions and the transport of water into the deep mantle

PE van Keken, B Kiefer… - Geochemistry, Geophysics …, 2002 - Wiley Online Library
Arc volcanism is intimately linked to mineral dehydration reactions in the subducting oceanic
mantle, crust, and sediments. The location of slab dehydration reactions depends strongly …

Imaging the North American continent using waveform inversion of global and USArray data

AJ Schaeffer, S Lebedev - Earth and Planetary Science Letters, 2014 - Elsevier
The deployment of USArray during the last decade has produced dense sampling of the
central part of the North American continent with broadband seismic data. Regional …

The rupture zone of Cascadia great earthquakes from current deformation and the thermal regime

RD Hyndman, K Wang - Journal of Geophysical Research …, 1995 - Wiley Online Library
An important but poorly known part of the earthquake hazard at near‐coastal cities of
western North America from southern British Columbia to northern California is from great …

Constraints on the origin of the oxidation state of mantle overlying subduction zones: an example from Simcoe, Washington, USA

AD Brandon, DS Draper - Geochimica et Cosmochimica Acta, 1996 - Elsevier
Type I spinel peridotite xenoliths from Simcoe Volcano, southern Washington (USA), are
from lithospheric mantle approximately 65 km inboard from the axis of the subduction …

Upper mantle S velocity structure of North America

S Van der Lee, G Nolet - Journal of Geophysical Research …, 1997 - Wiley Online Library
We have inverted fundamental and higher‐mode Rayleigh waveforms from 685 vertical
component broadband seismograms with wave paths over North America to obtain an …

Seismic evidence for a fossil mantle plume beneath South America and implications for plate driving forces

JC VanDecar, DE James, M Assumpção - Nature, 1995 - nature.com
A teleseismic travel-time study reveals the presence of a fossil plume in the deep upper
mantle beneath Brazil, which has apparently remained geographically fixed with respect to …