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Creator:: Calvert, Andrew J., Fisher, Michael A., Ramachandran, Kumar, and Tréhu, Anne Martine
Abstract:: Seismic reflection profiles shot across the Cascadia forearc show that a 5–15 km thick band of reflections, previously interpreted as a lower crustal shear zone above the subducting Juan de Fuca plate, extends into the upper mantle of the North American plate, reaching depths of at least 50 km. In...
Resource Type:: Article
Full Text:: subducting Juan de Fuca plate, Geology, 18, 1091–1094, 1990. Clowes, R. M., M. T. Brandon, A. G. Green, C. J

Creator:: Graindorge, D., Spence, G., Charvis, P., Collot, J. Y., Hyndman, R., and Tréhu, Anne Martine
Abstract:: Wide-angle and vertical incidence seismic data from Seismic Hazards Investigations in Puget Sound (SHIPS), gravity modeling, and seismicity are used to derive two-dimensional crustal models beneath the Strait of Juan de Fuca. The Eocene volcanic Crescent-Siletz terrane is significantly thicker than previously recognized and extends from near the surface to...
Resource Type:: Article
Full Text:: -Siletz [Brandon, 1989], were successively emplaced along the coast at the time of North Pacific plate

Creator:: Jordan, Brennan T., Grunder, Anita L., Duncan, Robert A., and Deino, Alan L.
Abstract:: The High Lava Plains province (HLP) is a late Cenozoic bimodal volcanic field at the northern margin of the Basin and Range province in southeastern Oregon that hosts a westward younging trend of silicic volcanism that crudely mirrors northeastward migration of silicic volcanism along the Yellowstone–Snake River Plain (YSRP) trend....
Resource Type:: Article
Full Text:: o f th e H ig h L av a P la in s sh o w in g th e d is tr ib u ti o n o f b as al ts . S ee F ig u

Creator:: Bangs, Nathan Lawrence Bailey, Musgrave, Robert J., and Tréhu, Anne Martine
Abstract:: High‐resolution three‐dimensional (3‐D) seismic reflection data acquired on the R/V Thomas G. Thompson in 2000 reveal a pair of bottom simulating reflections (BSRs) across a broad region of southern Hydrate Ridge, offshore Oregon. The primary BSR (BSRp) is a regionally extensive reflection that lies 120–150 m below seafloor and exhibits...
Resource Type:: Article
Full Text:: 1.0 W/m �K, fluid density of 1000 kg/m3, fluid specific heat of 4000 J/kg �K, and a reservoir

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