Geological Sciences and Geological Engineering, Department of
The Department of Geological Sciences and Geological Engineering aims to deliver excellent undergraduate teaching in geological sciences and geological engineering; maintain an internationally-recognized and broadly-based program of research and graduate supervision in earth-science related fields; and foster a positive atmosphere of learning and critical thinking while maintaining a tradition of addressing societal needs and practical applications in earth-science related problems.
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Recent Submissions
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Slow cooling versus episodic fluid injections: Deciphering the Caledonian orogeny in Vestvågøy, Lofoten islands, Norway
(Wiley, 2019-03-23)The determination of the thermal (temperature–time) histories of high-P metamorphic terranes has been commonly based on the concepts of slow cooling and closure temperatures. In this paper, we find that this approach cannot ... -
Seasonal variation of arsenic and antimony in surface waters of small subarctic lakes impacted by legacy mining pollution near Yellowknife, NT, Canada
(Elsevier, 2019-09-20)The seasonal variation in lake water arsenic (As) and antimony (Sb) concentrations was assessed in four small (<1.5 km2) subarctic lakes impacted by As and Sb emissions from legacy mining activities near Yellowknife, ... -
Arsenic concentrations and solid phase speciation in soils in the Yellowknife region
Roasting of gold-bearing arsenopyrite (FeAsS) ore at mines around Yellowknife resulted in the release of arsenic trioxide (As2O3) via airborne emissions. Previous studies highlighted a persistent elevated arsenic (As) in ... -
Geochemical and mineralogical characterization of arsenic in lake sediments impacted by legacy gold mining in the Yellowknife region
Arsenic concentrations in lake sediments in the Yellowknife region, Northwest Territories, Canada are elevated from the weathering of mineralized bedrock and/or from the mining and processing of arsenic (As)-bearing ores ... -
Evaluating the Surficial Geochemical Expressions in Soil, and Tree Cores Surrounding an LCT Pegmatite at Pakeagama Lake, Ontario
The Pakeagama Lake Pegmatite is a complex type, petalite subtype Li-Cs-Ta (LCT) pegmatite, located in Northwestern Ontario, Canada, at the border of the Berens River and Sachigo subprovinces of the Archean Superior ... -
Assessing the Contributions of Remote Sensing Data in Geological Site Investigations
Unforeseen ground conditions can have significant impact on the success of any geological project. Therefore, geological site investigation is an essential component of geological field campaigns. Remote sensing techniques ... -
Protolith Affiliation and Tectonometamorphic Evolution of the Gurla Mandhata Core Complex, NW Nepal Himalaya
Migmatite-cored gneiss domes in the Himalaya are valuable structures that expose the mid-crust, allowing for the investigation of tectonic and structural processes governing the evolution of the Himalayan orogen. Located ... -
Paragenesis of Gold Mineralization and Integrated Exploration Techniques of the Kiyuk Lake Project, Kivalliq Region, Nunavut, Canada
Exploration for gold in Nunavut has primarily focused in Archean greenstone belts in the north and coastal regions of the territory, resulting in large areas of unexplored terrain. The Kiyuk Lake property is located in the ... -
Spatial variations of pressure-temperature-timing-deformation conditions of ductile thrusts: Examples from the Himalayan and Variscan orogens
Orogen-scale thrust-sense shear zones evolve dynamically through time and space as they accommodate crustal shortening during continental collision. When these shear zones activate in different parts of an orogen is central ... -
On the Detectability of Density Distributions of Asteroids and SAGD Reservoirs Using Gravimetry and MUON Tomography
In this thesis, the procedures of modelling density distributions for different targets are investigated. In the process of evaluating density distributions of asteroids, gravity forward modelling shows that homogeneous ... -
Soil from the Yellowknife, NT Region: Spatial Distribution of Arsenic, Characterization of Solid Phase Arsenic Hosts, and Distinguishing Giant and Con Mine Contamination
Historical gold mining in the Yellowknife, Northwest Territories region has led to a legacy of arsenic contamination in the region. Roasting of arsenopyrite hosting gold ore released arsenic trioxide (As2O3) via airborne ... -
Game-Engine Based Rockfall Modelling: Testing and Application of a New Rockfall Simulation Tool
Rockfall presents an ongoing challenge to the safe operation of transportation infrastructure across Canada, creating hazardous conditions which can result in damage to roads and railways, as well as loss of life. Conventional ... -
Identifying rockfall hazards in the Fraser Canyon, British Columbia: a semi-automated approach to the classification and assessment of topographic information from airborne LiDAR and orthoimagery
Rockfall hazards on railway corridors create risk of derailment which can result in damage to property or the environment and cause injury or loss of life. There is interest in understanding the location and severity of ... -
Modelling of Hard Rockmasses with Non-Persistent Joints to Assess the Stress Induced Damage of Deep Excavations
Brittle fracturing within low confinement environments is the dominant failure mechanism of hard rockmasses under high magnitude in situ stresses around underground excavations. With an emphasis on the behaviour of slightly ... -
EPB Excavation and Conditioning of Cohesive Mixed Soils: Clogging and Flow Evaluation
When shield tunnels are being excavated along varying geological conditions, it is essential to understand the behaviour of the material being excavated, as it influences excavation speed and ground stability, in addition ... -
Laboratory Investigation of Shear Behaviour in Rock Joints Under Varying Boundary Conditions
Discontinuities (joints, fractures, faults, bedding planes etc.) in rockmasses are an important mechanical component of a rockmass. In low to moderate in situ stress conditions where gravity-driven failure dominates, these ... -
Structural style and timing of deformation on the Bathurst fault in the eastern Slave craton, western Nunavut, Canada
Crustal-scale basement faults persist as long-lived structures that localize deformation and can enhance permeability in the Earth’s crust. The NNW-striking left-lateral Bathurst fault in the eastern Slave craton displaces ... -
Tectonometamorphic Evolution of the Karnali and Jajarkot External Crystalline Klippen, Western Nepal Himalaya
Field mapping and microstructural characterization of metamorphic rocks exposed in the Karnali and Jajarkot klippen in the western Nepal foreland highlight the presence of a top-to-the-southwest shear zone at the base and ... -
Method Development for the Systematic Separation of the <63 µm Heavy Mineral Fraction from Bulk Till Samples
Undiscovered ore bodies have become increasingly more difficult to target, requiring new exploration techniques to pinpoint the undercover location. Sedimentary overburden in regions of intense glaciation have made exploration ... -
The Viability of Lithogeochemistry and Surficial and Surficial Geochemistry in Detecting CU-AU Porphyry Mineralization Under Cover in the Lachland Fold Belt, Australia
The Racecourse prospect is a possibly economic alkalic Cu-Au porphyry system, situated within the Macquarie Arc, NSW, Australia. Similar in age to both the Ordovician Cadia and Northparks districts of NSW, a volcano-sedimentary ...
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