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Filtering by: Subject Plate tectonics Degree Field Geosciences Resource Type Masters Thesis

Creator:: Werner, Kenneth Stefan
Abstract:: Elliptical borehole enlargements or "breakouts" caused by systematic spalling of a borehole wall due to regional maximum horizontal stresses were identified in 18 wells drilled in the Coast Range and Willamette Valley of western Oregon. The breakouts generally indicate a NNW to NNE orientation of maximum horizontal compression (oH[subscript max])...
Resource Type:: Masters Thesis

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