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Creator:: Moser, John Christian
Resource Type:: Masters Thesis
Full Text:: Sedimentation Rates 20 Evidence for Slumping at Site 20E 21 Unusually Rapid Deposition and Uranium Enrichment

Creator:: Li, Zhenlin
Abstract:: The formation of beach placers primarily involves processes of waves and currents that selectively sort and concentrate the valuable minerals according to their densities, sizes and shapes. Black sand placers are found on the beaches adjacent to the mouth of the Columbia River. Reviews of historical shoreline changes show that...
Resource Type:: Dissertation

Creator:: Clemens, Karen E.
Abstract:: Heavy mineral compositions of sands from Oregon beaches, rivers and sea cliffs have been determined in order to examine the causes of marked along-coast variations in the beach-sand mineralogy. The study area extends southward from the Columbia River to the Coquille River in southern Oregon. The heavy-mineral compositions were determined...
Resource Type:: Masters Thesis
Full Text:: Heavy mineral compositions of sands from Oregon beaches, rivers and sea cliffs have been determined in

Creator:: Baba, Jumpei
Resource Type:: Dissertation
Full Text:: sedimentation as silt from Baja covers only the western slopes of the Gulf and clay covers even a smaller part

Creator:: Stevens, Andrew W.
Abstract:: During two cruises in February and June of 2003, the erodibility of sediment along the western Adriatic Sea was measured using a "Gust erosion chamber". In addition, the surficial sediment properties were characterized through a suite physical and biological measurements including porosity, grain-size, inorganic carbon, organic carbon and colloidal carbohydrate....
Resource Type:: Masters Thesis
Full Text:: knowledge of sediment resuspension and deposition can only be gained by thorough understanding of spatial

Creator:: Alleau, Yvan M.
Abstract:: The organic content of the Columbia River suspended particulate matter (SPM) results from the input of autochthonous (phytoplankton) and allochthonous (terrestrial vascular plants) production. The contribution of these two sources appears seasonal and responds to factors such as rainfall, runoff, river flow, light and nutrients availability. While numerous studies have...
Resource Type:: Masters Thesis
Full Text:: Quality and Content in Columbia River Suspended Particulate Matter by Cupric Oxide Oxidation Abstract

Creator:: Hunt, Louise
Abstract:: During October 2000 the Po River, Italy's largest river, experienced a historically significant flood, producing a deposit on the adjacent prodelta. In December 2000 an event-response study of the deposit was conducted, and during the ensuing 16 months three additional sampling cruises were conducted to study the subsequent evolution of...
Resource Type:: Masters Thesis
Full Text:: . The located deposit mass was approximately i07 T. Continued deposition and bioturbation occurred at

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