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1973
Describes the petrology and mineralogy of a study area in the southeast corner of Great Bear Lake.
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Using a novel approach to precisely measure the sedimentation velocity of a (bio)chemical sediment: cyanobacteria-ferrihydrite aggregates
DownloadFall 2020
Banded iron formations (BIF) are iron-rich (~20-40% Fe), siliceous (~40-50% SiO2), and organic-lean (<0.5 wt.%) sedimentary deposits that precipitated widely during the late Archean (2.7-2.5 Ga) and Paleoproterozoic (2.5-1.8 Ga). As cyanobacteria evolved, the reaction between dissolved Fe(II) and...
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50,000 years of paleoenvironmental change recorded in meteoric waters and coeval paleoecological and cryostratigraphic indicators from the Klondike goldfields, Yukon, Canada
DownloadFall 2015
A 50,000 year record of meteoric water isotopes (δ2H/δ18O) and paleoenvironmental conditions is presented from syngenetic ice-rich permafrost and macrofossils from eight sites in the Klondike area of central Yukon. Four sedimentary units are recognized based on cryostratigraphy, paleoecological...
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The role of endothelial PI3 kinase activity and IQGAP1 in regulation of lymphocyte diapedesis
DownloadFall 2011
Leukocyte extravasation is a fundamental process of the inflammatory responses. The mechanisms that control remodelling of endothelial (EC) shape and adhesive contacts during leukocyte transendothelial migration (TEM) are not completely understood. We studied the role of EC phosphatidylinositol...
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Fall 2016
Conservation auctions have become a popular mechanism for gathering information about farmers' willingness to accept (WTA) compensation for the adoption of beneficial management practices (BMPs), allowing governments and environmental authorities to foster the adoption of these practices. In real...
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Spring 2014
Sound and space are physically inseparable; all sounds have a defined spatial location. Our ears receive the energy generated by sound sources traveling in the air and inform us about location, motion, and in many cases also the velocity of movement of that source. Since the 1950s, technology has...
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Fall 2011
One way of “doing” philosophy is to choose a topic of investigation, proceed in depth narrowly on an analysis of that topic; then to apply the results widely. I follow this strategy in my dissertation. The topic I investigate narrowly is “questions”; then I emphasize its applications in...