Browsing Electronic Theses and Dissertations from 2009 by Title
Now showing items 717-736 of 1589
-
Geochemistry and petrography of the ultramafic metavolcanic rocks in the eastern portion of the Shebandowan greenstone belt, Northwestern Ontario
(2018)The 2.7 Ga Shebandowan greenstone belt in the Wawa-Abitibi terrane contains unusual ultramafic rocks. The two main assemblages present within the study area are the Greenwater and Shebandowan assemblages. The 2719.7 ± ... -
Geochemistry of shallow and deep water archean meta-iron formations and their post-depositional alteration in western Superior Province, Canada
(2018)One purpose for studying banded meta-iron formations is to determine the chemical composition of seawater in the Archean ocean and the oxygen content of the Archean oceanic-atmospheric system. Geologists use the geochemistry ... -
Geochemistry, petrography, geochronology, and radiogenic isotopes of the weakly mineralized intrusions in Thunder Bay North Igneous Complex
(2024)The Thunder Bay North Igneous Complex (TBNIC) is located approximately 50 km northeast of Thunder Bay, Ontario, Canada. It comprises two Cu–Ni–PGE-mineralized mafic–ultramafic intrusions, the Escape and Current Intrusions, ... -
Geology and geochemistry of midcontinent rift-related igneous rocks
(2013-02-03)This study is focussed on the geology and geochemistry of Midcontinent Rift-related intrusive and extrusive rocks present in northern Ontario, Canada. The study focuses on three sections in order to elucidate the geochemical ... -
Geology and geochemistry of the Laird Lake property and associated gold mineralization, Red Lake greenstone belt, northwestern Ontario
(2018)The Laird Lake property encompasses the tectonic contact between the Balmer (2.99 to 2.96 Ga) and the Confederation (2.74 to 2.73 Ga) assemblages on the south-western end of the Red Lake greenstone belt, Northwestern ... -
Geology and geochemistry of the Terrace Bay batholith, N. Ontario
(2019)The Terrace Bay Batholith is a 25 km long oval shaped granitoid intrusion located in the western portion of the Schreiber-Hemlo greenstone belt, part of the larger Wawa-Abitibi terrane. The pluton was emplaced at 2689±1.1 ... -
Geology and geochemistry of ultramafic rocks in the Lake of the Woods Greenstone Belt
(2019)The Archean komatiites of the Lake of the Woods greenstone belt, Kenora, Ontario formed on the western extension of the Superior Province southern margin and have not been studied using modern analytical methods. Although ... -
Geology, geochemistry and alteration of the Eagle River Au-deposit near Wawa, Ontario
(2023)The Eagle River mine is a mesothermal orogenic gold deposit hosted within the Archean Mishibishu Lake greenstone belt, approximately 50 km west of Wawa, Ontario. The underground mine has been in constant production since ... -
Geology, geochemistry and geochronology of the Hemlo East property, Schreiber-Hemlo Greenstone Belt, Ontario
(2014-01-22)The Hemlo East property is located approximately 50 kilometres east of the town of Marathon, Ontario and is situated within the Schreiber-Hemlo greenstone belt of the Wawa-Abitibi Terrane of the Archean Superior Province. ... -
Geomechanical behaviour of fibre-reinforced cemented paste backfill under cyclic loading conditions
(2022)Cemented paste backfill (CPB) is considering a promising mine backfilling technology with several technical, environmental, and economic benefits for the underground mining operation. After placed into underground voids ... -
Girl-child sexual abuse as a public health issue in Accra, Ghana
(2008)Girl-Child Sexual Abuse (CSA) constitutes an alarming social phenomenon. Heavily influenced by social and cultural factors, CSA is understood and dealt with differently by different societies. Ultimately, survivors are ... -
A GIS-based decision-support model linking urban forest benefits with sustainability goals: an application to Thunder Bay, Ontario
(2012-11-10)Urban forests are a key piece of a city's green infrastructure, highly valued for their socioeconomic and environmental benefits. Current research demonstrates their structure and function are considerable assets to the ... -
Global environmental change effects on forest dynamics: lessons from permanent sample plot networks
(2019)Global environmental change caused by anthropogenic emissions of greenhouse gasses is a major threat to forest ecosystems globally. Before we can begin to adequately mitigate these threats, we first must understand how ... -
A Grounded Theory Study of the Approaches and Mechanisms Used in Public Health Practice for Everyday Ethical Dilemma Negotiation and Resolution
(2013-02-01)Public health professionals experience dilemmas in their everyday work and many of these dilemmas are challenges where they must find the most ethical way to manage the situation. How these dilemmas are approached, negotiated, ... -
Groundwater contamination prevention using an electrokinetic barrier-cobalt trapping
(2015-06-15)The quality of groundwater in many regions around the world has been compromised due to pollution from anthropogenic activities such as deposition of solid wastes containing heavy metals in landfills, industrial spills and ... -
Growing garden-based educators
(2023)Garden-based learning (GBL) is resurging in popularity in reaction to a confluence of crises. These crises, involving social inequity, vast economic disparity, ecocide, and mass extinction, threaten human well-being and ... -
Growth and characterization of group III-nitrides by migration enhanced afterglow epitaxy
(2014-12-11)The work presented in this thesis investigates the growth and properties of group III- nitride semiconductors that were grown using the Migration Enhanced Afterglow Epitaxy (MEAglow) method. This work was to enhance the ... -
Growth and photosynthetic responses of white spruce seedlings to levels of trembling aspen and red raspberry cover
(2012-11-10)The effect of competitve species upon crop tree regeneration and growth continues to receive attention from researchers due to the importance of the outcomes. This study stakes a new approach, by examining the combined ... -
H2S as a novel biomarker and therapeutic target for asthma
(2015)Asthma is a chronic inflammatory disease with hyper-responsive bronchoconstriction and airway remodeling, leading to extensive airway narrowing. The pathophysiology of asthma remains unclear. The literature shows that the ... -
H2S S-sulfhydration of pyruvate carboxylase in gluconeogenesis and its regulation by Trx1
(2015)Hydrogen sulfide (H2S), regarded as the third gasotransmitter, plays diverse physiological and pathological roles in the body along with another two gasotransmitters, including nitric oxide (NO) and carbon monoxide (CO). ...