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A tale of two large igneous provinces : geochronological and geochemical studies of the North Atlantic Volcanic Province and the Caribbean oceanic plateau

Creator:: Sinton, Christopher W.
Resource Type:: Dissertation
Full Text:: the Caribbean Oceanic Plateau Abstract approved: Robert A. Duncan A significant portion of lavas

Geochronology and geochemistry of low temperature hydrothermal alteration in oceanic crust : an investigation of celadonite in the Troodos ophiolite, Cyprus

Creator:: Gallahan, William E.
Resource Type:: Dissertation
Full Text:: the Troodos Ophiolite. Cyprus. Abstract approved; Robert A. Duncan Celadonite, a low-temperature

Precise dating of the Holmatindur cooling event in eastern Iceland: Evidence for mid-Miocene bipolar glaciation

Creator:: Duncan, Robert A. and Helgason, J.
Abstract:: A succession of basaltic lavas, volcaniclastic sediments, and lignite beds in the Holmatindur region of eastern Iceland provides the means for tying magnetic reversal stratigraphy and a record of major North Atlantic cooling to a precise radiometric timescale. A prominent part of the section is the Holmatindur classic bed, which...
Resource Type:: Article
Full Text:: eastern Iceland: Evidence for mid-Miocene bipolar glaciation R. A. Duncan College of Oceanic and

⁴⁰Ar/³⁹Ar geochronology of silicic and basic volcanic rocks on the margins of the North Atlantic

Creator:: Sinton, C. W., Hitchen, K., and Duncan, Robert A.
Abstract:: At the submerged margins of the North Atlantic, andesitic to dacitic and basaltic volcanic rocks occur together. The silicic rocks were derived by processes requiring the presence of continental crust (crustal anatexis and/or contamination of mafic magmas) while the majority of the basaltic lavas had little or no contact with...
Resource Type:: Article
Full Text:: . W. SINTON*†, K. HITCHEN‡ & R. A. DUNCAN* * College of Oceanic and Atmospheric Sciences, Oregon

Wave competence and morphodynamics of boulder and gravel beaches

Creator:: Lorang, Mark
Resource Type:: Dissertation
Full Text:: AN ABSTRACT OF THE THESIS OF Mark S. Lorang for the degree of

The Atlantic, the Amazon, and the Andes : neogene climate and tectonics viewed from Ceara Rise, western tropical Atlantic

Creator:: Harris, Sara E.
Resource Type:: Dissertation
Full Text:: . Committee members Bob Duncan and John Baham have provided advice and encouragement. Thanks to Bill Liss and

The role of sulfur in the preservation of isoprenoid hydrocarbons in sedimentary materials of the Washington continental margin

Creator:: Pinto Alvarez, Luis A.
Abstract:: A systematic study of highly branched isoprenoids (HBI) was carried out in suspended particulate material (SPM) and Washington coastal sediments to determine their origin and fate. SPM collected at 10 m depth was filtered through Nitex membranes. C₂₅ HBI were found only in the 1.2-40 μm range over the shelf....
Resource Type:: Dissertation
Full Text:: interpreted as phytyl coming from two sources: (1) chlorophyll-a and (2) S-bound to geomacromolecules

Working relations and marketing channels in the seafood industry: a multi-sector analysis

Creator:: Anderson, Finlay
Abstract:: With indications that fisheries production has plateued at a global capacity of 85 million metric tons in the 1990's, further exploitation of marine stocks on a sustainable basis is unrealistic. Economic development of coastal and regional economies will benefit from new approaches to maximizing benefits from harvested products that include...
Resource Type:: Capstone Project
Full Text:: plateued at a global capacity of 85 million metric tons in the 1990's, further exploitation of marine

Geochemistry of mid-ocean ridge basalt within and surrounding the Australian-Antarctic discordance

Creator:: Pyle, Douglas G.
Resource Type:: Dissertation
Full Text:: S Date thesis is presented October 21, 1993 Assembled by Sue Pullen for Douglas G. Pyle Redacted

Untangling the complexity of nearshore ecosystems : examining issues of scaling and variability in benthic communities

Creator:: Schoch, G. Carl
Abstract:: The objective of this research was to improve our understanding of how changes in the environment affect ecological processes. Change detection is often confounded by the large variation found in ecological data due to the difficulty of finding replicates in nature. Intertidal communities were chosen for studies of biophysical interactions...
Resource Type:: Dissertation
Full Text:: Duggins at Friday Harbor Laboratory, Duncan Fitzgerald at Boston University, Dan Mann at the University

ScholarsArchive@OSU

A tale of two large igneous provinces : geochronological and geochemical studies of the North Atlantic Volcanic Province and the Caribbean oceanic plateau

Geochronology and geochemistry of low temperature hydrothermal alteration in oceanic crust : an investigation of celadonite in the Troodos ophiolite, Cyprus

Precise dating of the Holmatindur cooling event in eastern Iceland: Evidence for mid-Miocene bipolar glaciation

⁴⁰Ar/³⁹Ar geochronology of silicic and basic volcanic rocks on the margins of the North Atlantic

Wave competence and morphodynamics of boulder and gravel beaches

The Atlantic, the Amazon, and the Andes : neogene climate and tectonics viewed from Ceara Rise, western tropical Atlantic

The role of sulfur in the preservation of isoprenoid hydrocarbons in sedimentary materials of the Washington continental margin

Working relations and marketing channels in the seafood industry: a multi-sector analysis

Geochemistry of mid-ocean ridge basalt within and surrounding the Australian-Antarctic discordance

Untangling the complexity of nearshore ecosystems : examining issues of scaling and variability in benthic communities

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