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Doug Toomey Professor of Geophysics

New Projects:

Cascadia Initiative Expedition Team (CIET)

Ongoing Projects:

GALAPAGOS:

Crustal structure beneath the Galápagos Archipelago from ambient noise tomography and its implications for plume‐lithosphere interactions, J. Geophys. Res., 2010

Upper mantle structure beneath the Galápagos Archipelago from surface wave tomography, J. Geophys. Res., 2007. go to the Galapagos page

East Pacific Rise:

Effects of systematic variations in magma crystallization on crustal density and axial depth at fast-spreading ridges,(in review)

Evidence and implications of crustal magmatism on the flanks of the East Pacific Rise, Earth and Planetary science letters, 2009.

Mantle upwelling, Magmatic Differentiation, and the meaning of axial depth at fast-spreading ridges, Geology, 2008. Go to the Undershoot page

Skew of Mantle upwelling beneath the EPR Governs Segmentation, Nature, 2007. Go to the Undershoot page

Endeavour/Juan de Fuca

The Role of magma injection in Localizing Black Smoker ACtivity, Nature Geoscience, 2009

Hooft, E. E. E., H. Patel, W. Wilcock, K. Becker, D. Butterfield, E. Davis, R. Dziak, K. Inderbitzen, M. Lilley, P. McGill, D. Toomey and D. Stakes, A seismic swarm and regional hydrothermal and hydrologic perturbations: The northern Endeavour segment, February 2005, Geochem. Geophys. Geosyst. , 11 , Q12015, doi:10.1029/2010GC003264, 2010.

Under the Volcano

Somewhere on Earth, beneath its ocean, a volcano is erupting. As you read this, there are probably several submarine volcanoes spewing forth lava, creating new seafloor and renewing deep-sea hydrothermal vent fields that support unique animal communities.  These erupting volcanoes lie along the globe-encircling mid-ocean ridge system, the largest continuous structural feature of our planet.  This volcanic activity is not cataclysmic, but is the signature of a living planet, one that is evolving and one that is capable of hosting life.

Toomey's Site

DEPARTMENT OF Geological Sciences, University of Oregon

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