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Filtering by: Subject Sediments (Geology) -- Oregon -- Siletz River Estuary Degree Field Geology

Late Quaternary sedimentation and geologic history of the North Willamette Valley, Oregon

Creator:

Glenn, Jerry L.

Abstract:

Late Quaternary sediments in the Willamette Valley, Oregon, include a unit of chiefly silt and fine sand, the Willamette Silt Formation. Previous workers have (1) Assigned the Willamette Silt different ages which range from Sangamon interglacial to late Wisconsin glacial, (2) Proposed that the Willamette Silt was deposited in a...

Resource Type:

Dissertation
Investigation of the hydraulic, physical, and chemical buffering capacity of Missoula Flood Deposits for water quality and supply in the Willamette Valley of Oregon

Creator:

Iverson, Justin

Abstract:

The Willamette Silt is a surficial geologic unit composed of successive Missoula Flood Deposits that underlies 3100 km2 (1200 mil) of arable land in the Willamette Valley of Oregon. The Willamette Silt protects the underlying regionally important Willamette Aquifer from agricultural contamination while acting as a semi-confining unit and a...

Resource Type:

Masters Thesis

Full Text:

Pudding River, located approximately one mile SW of Mt. Angel, Oregon, agreed to allow the piezometer