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Mapping and lithologic interpretation of the Territorial Sea, Oregon

Creator:: Agapito, Melinda T.
Abstract:: Seafloor lithologic maps have been widely used to identify conservation sites. In this study, a lithologic interpretation of Oregon's territorial seafloor was created as an interim product in response to the need for a comprehensive lithologic map that will be used in the identification, evaluation and design of marine reserves...
Resource Type:: Masters Thesis
Full Text:: 50 meters from the Siuslaw River to the southern end of the Oregon coast. This sediment is

A seismic refraction study of the Monterey Deep Sea Fan and a comparison of velocity structures among fan subunits

Creator:: Dwan, Shufa F.
Abstract:: A deep source-receiver seismic refraction experiment was conducted on the upper part of the Monterey Deep Sea Fan. The aim of this thesis is to construct the velocity structure of the upper Monterey Fan and to examine the lateral seismic velocity variations among the upper, middle and lower fan subunits....
Resource Type:: Masters Thesis
Full Text:: marine sediments because of the thick sediment covering large areas. An 11 km long deep source, deep

Sedimentary texture--a key to interpret deep-marine dynamics

Creator:: Allen, David William
Abstract:: The processes responsible for transporting and depositing thick sections of coarse-grained terrigenous clastics on the abyssal floor and for forming associated sedimentary structures are still conjectural. Many workers attribute coarse deep-sea sediments and their probable lithified equivalent, the graywackes of flysch deposits to some type of density movement. Deductions concerning...
Resource Type:: Dissertation
Full Text:: Interpret Deep-Marine Dynamics by David William Allen A THESIS submitted to Oregon State University in

Holocene sedimentation and potential placer deposits on the continental shelf off the Rogue River, Oregon

Creator:: Chambers, David Marshall
Abstract:: Changes in sea level during the past 20,000 years are recorded in sediments taken from the continental shelf off the Rogue River, Oregon. Sea level has risen approximately 125 m. during the Holocene (Curray, 1965) and the general transgression has been interrupted by several stillstands and minor regressions. Box core...
Resource Type:: Masters Thesis

Sources, dispersal, and contributions of fine-grained terrigenous sediments on the Oregon and Washington continental slope

Creator:: Krissek, Lawrence A.
Abstract:: Holocene hemipelagic deposition of terrigenous silts and clays dominates sedimentation on most of the Oregon and Washington continental slope. The sources of these sediments, the mechanisms causing sediment dispersal, and the relative contributions of the various continental sources to the marine deposits have been investigated using quantitative mineral and geochemical...
Resource Type:: Dissertation
Full Text:: material contains hornblende. Columbia River material lacks chlorite, and the Oregon Coast Range source

Marine geology of Astoria deep-sea fan

Creator:: Nelson, C. Hans (Carlton Hans), 1937-
Resource Type:: Dissertation
Full Text:: empty dir ectly into the Pacific Ocean, drainthe west slopes of the Coast Range. Rocks of the Oregon

Sediment textures and internal structures : a comparison between central Oregon continental shelf sediments and adjacent coastal sediments

Creator:: Roush, Robert Cornelius
Abstract:: A study of sedimentary structures and sediment texture of beach and continental shelf sediments provides a basis for the interpretation of the recent history of sedimentation on the Oregon continental shelf. The texture of various sediment types suggests that coastal rivers supply a considerable quantity of very fine sand in...
Resource Type:: Masters Thesis

Calcium carbonate, organic carbon, and quartz in hemipelagic sediments off Oregon : a preliminary investigation

Creator:: Peterson, Robert E.
Abstract:: An analysis of the amounts of calcium carbonate, organic carbon, quartz, and the rates of sediment accumulation in hemipelagic sediments off Oregon has revealed that the accumulation rates of the total sediment, organic carbon, and quartz were at least twice as high in the late Pleistocene as they were during...
Resource Type:: Masters Thesis

Continental shelf sediments, Columbia River to Cape Blanco, Oregon

Creator:: Runge, Erwin John
Abstract:: Sediments on the inner portion of the Oregon continental shelf consist of clean, well-sorted, detrital sand. This sand has an average median diameter of 2.53Φ (. 173 mm) and is both positively and negatively skewed. Deposits with median diameters in the coarse sand and gravel classes occur at depths of...
Resource Type:: Dissertation
Full Text:: terrace off the central Oregon coast (Byrne, Maloney, and Fowler, 1965). 3 REGIONAL GEOLOGY AND

Continuous seismic profiling investigation of the southern Oregon continental shelf between Cape Blanco and Coos Bay

Creator:: Mackay, Angus James
Abstract:: A structure map was constructed of the continental shelf between Cape Blanco and Coos Bay, Oregon, exclusively from an interpretation of approximately 700 km of continuous seismic profiles. At least ten discernible seismic units were mapped on the bases of acoustic appearance, lateral continuity, angular unconformities, and faults. The offshore...
Resource Type:: Masters Thesis
Full Text:: . Elevated Marine Terraces Along the southern Oregon coast between Cape Arago and Cape Blanco, remnants of

ScholarsArchive@OSU

Mapping and lithologic interpretation of the Territorial Sea, Oregon

A seismic refraction study of the Monterey Deep Sea Fan and a comparison of velocity structures among fan subunits

Sedimentary texture--a key to interpret deep-marine dynamics

Holocene sedimentation and potential placer deposits on the continental shelf off the Rogue River, Oregon

Sources, dispersal, and contributions of fine-grained terrigenous sediments on the Oregon and Washington continental slope

Marine geology of Astoria deep-sea fan

Sediment textures and internal structures : a comparison between central Oregon continental shelf sediments and adjacent coastal sediments

Calcium carbonate, organic carbon, and quartz in hemipelagic sediments off Oregon : a preliminary investigation

Continental shelf sediments, Columbia River to Cape Blanco, Oregon

Continuous seismic profiling investigation of the southern Oregon continental shelf between Cape Blanco and Coos Bay

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