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Filtering by: Subject Geology, Structural Subject Geology, Structural -- Oregon Subject Faults (Geology) -- Oregon

Evolution of the Corvallis fault and implications for the Oregon coast range

Creator:

Goldfinger, Chris

Abstract:

The Corvallis fault is a 50 km long northeast-trending structure, part of which defines the boundary between the central Willamette Valley and the east-central Coast Range of Oregon. Previously the fault had been mapped as either a high-angle reverse or normal fault, with the east block down. New gravity data...

Resource Type:

Masters Thesis
Structure and tectonics of the southern Willamette Valley, Oregon

Creator:

Graven, Erik P.

Abstract:

Surface geology, seismic data, petroleum exploratory well data, and water well data have been used to analyze the structural and tectonic history of the southern Willamette Valley. Tertiary strata beneath the southern Willamette Valley appear to have had an early Cascade or Clarno volcanic source to the east by the...

Resource Type:

Masters Thesis