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Sedimentary petrology of some tertiary formations, Upper Nehalem River Basin, Oregon

Creator:: Van Atta, Robert O.
Abstract:: The southern half of the upper Nehalem River basin contains the most complete section of lower to middle Tertiary marine sedimentary and volcanic rocks in northern Oregon. Determination of stratigraphic relationships of six formations, and their depositional environments and provenance is the chief objective of this paper. More than 75...
Resource Type:: Dissertation

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:: Master of Science in Geology presented on April 26. 2002. Title: Investigation of the Hydraulic

Flood history and sedimentation at the mouth of Redwood Creek, Humboldt County, California

Creator:: Ricks, Cynthia L.
Abstract:: Since the early 1950's, the distribution of sediment at the mouth of Redwood Creek has been altered by the effects of channel aggradation and channelization along the lower reach. Severe flooding in 1953, 1955, and 1964 caused bank erosion, landsliding, and channel geometry changes along Redwood Creek. The increased sediment...
Resource Type:: Masters Thesis
Full Text:: 1653. Ken Scheidegger, School of Oceanography and Alan and Wendy Niem, Department of Geology, Oregon

The John Day formation in the Picture Gorge quadrangle, Oregon

Creator:: Coleman, Robert Griffin, 1923-
Resource Type:: Masters Thesis
Full Text:: W.D. Wilkinson n1 the students attending the Oregon Stato Collego geology field oams. To them he

Geology of the Picture Gorge quadrangle, Oregon

Creator:: White, Willis Harkness
Abstract:: There are seven stratigraphic units exposed in the Picture Gorge quadrangle, a 204-square mile area in east-central Oregon. isolated exposures of pre-Cretaceous serpentinites, metalimestones, and other metamorphic rocks record marine deposition of sands silts, and limy sediments followed by burial, lithification, peridotite intrusion, and several periods of deformation. Intrusion and...
Resource Type:: Masters Thesis

Preliminary report on the geology of the Molalla quadrangle, Oregon

Creator:: Harper, Herbert Ewing
Abstract:: The Molalla quadrangle is located in northwestern Oregon along the eastern edge of Willamette Valley about 30 miles south of Portland. The area includes part of the Western Cascade foothills as well as a portion of the Willamette Valley lowland. The rocks in the Cascade foothills are marine and terrestrial...
Resource Type:: Masters Thesis

Geology of the northeast quarter of Camas Valley quadrangle, Douglas County, Oregon

Creator:: Moore, James Francis
Resource Type:: Masters Thesis
Full Text:: GEOLOGY OF THE NORTHEAST Q,U.ARTER OF CAMAS VALLEY

The geology of the Lebonan quadrangle, Oregon

Creator:: Felts, Wayne M. (Wayne Moore)
Resource Type:: Masters Thesis
Full Text:: The geology of the Lebonan quadrangle, Oregon AN ABPRACT

The geology of the north half of Hampton quadrangle, Oregon

Creator:: Bowman, Flora Jean
Resource Type:: Masters Thesis

ScholarsArchive@OSU

Sedimentary petrology of some tertiary formations, Upper Nehalem River Basin, Oregon

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

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

Flood history and sedimentation at the mouth of Redwood Creek, Humboldt County, California

The John Day formation in the Picture Gorge quadrangle, Oregon

Geology of the Picture Gorge quadrangle, Oregon

Preliminary report on the geology of the Molalla quadrangle, Oregon

Geology of the northeast quarter of Camas Valley quadrangle, Douglas County, Oregon

The geology of the Lebonan quadrangle, Oregon

The geology of the north half of Hampton quadrangle, Oregon

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