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Filtering by: Creator Kelbert, A. Creator Bowles-Martinez, Esteban

Crustal inheritance and a top-down control on arc magmatism at Mount St. Helens

Creator:

Bedrosian, Paul A., Peacock, Jared R., Bowles-Martinez, Esteban, Schultz, Adam, and Hill, Graham

Abstract:

In a subduction zone, the volcanic arc marks the location where magma, generated via flux melting in the mantle wedge, migrates through the crust and erupts. While the location of deep magma broadly defines the arc position, here we argue that crustal structures, identified in geophysical data from the Washington...

Resource Type:

Article

Full Text:

416 36Egbert, G.D. & Kelbert, A. Computational recipes for electromagnetic inverse problems. 417
Magnetotelluric Studies of Tectonic Systems and Volcanic Areas of North America

Creator:

Bowles-Martinez, Esteban

Abstract:

Magnetotellurics is used in two geologic settings on scales ranging from 1000-km tectonic structures to local features hundreds of meters wide. These areas are the Midcontinent Rift System (MRS) and its related mantle plume in the northern Midwestern United States and Newberry Volcano in central Oregon. The MRS study uses...

Resource Type:

Dissertation

Full Text:

a satisfactorily accurate solution within 12 a reasonable time (e.g. Egbert & Kelbert, 2012