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Age, geochemistry, and fluid characteristics of the MAX porphyry Mo deposit, southeast British Columbia
DownloadFall 2009
Lawley, Christopher John Michael
MAX is a porphyry Mo deposit located near Trout Lake village in southeastern British Columbia. Mo mineralization is hosted by variably-altered calc-alkaline granodiorite dikes. Quartz veins have been subdivided into a paragenetic sequence based on vein style and crosscutting relationships....
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Spring 2022
This work presents new petrography, mineral major and trace element chemistry, whole rock major and trace element chemistry, whole rock Sr-Nd-Hf isotope composition, and phlogopite Rb-Sr isotope geochronology for the Mel kimberlite, Nunavut and Dharma kimberlite, Northwest Territories. This data...
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Age, origin and composition of the Attawapiskat lithospheric mantle and its diamonds (western Superior craton, Canada)
DownloadFall 2013
This study reports results from peridotitic and eclogitic xenoliths and di- amond samples from the Attawapiskat area to understand the processes of craton formation and modification in the Superior lithospheric mantle. These diamondiferous kimberlites also provide an opportunity to study the...
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Behaviour of Ore-Forming Elements in the Sub-Continental Lithospheric Mantle Below the Slave Craton
DownloadFall 2020
The transport and depositional controls of ore-forming elements such as Ag, Au, Bi, Cu, Mo, Pb, Pt, and Zn has been extensively studied in crustal environments, but the behaviour of these elements within Earth’s mantle require further study. This thesis presents new petrographic and geochemical...
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Development and application of the Re-Os isotope system to sediment-hosted Zn-Pb ores and sedimentary pore waters
DownloadFall 2018
The rhenium-osmium (Re-Os) isotopic system is used to determine the age of, and trace the origins of, minerals and fluids found within the Earth's crust. This thesis focuses on application of Re-Os geochronology and isotope systematics to sulphide minerals from carbonate-hosted Zn-Pb ore...
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Further Re-Os Arsenopyrite Geochronology from Selected Meguma Au Deposits, Meguma Terrane, Nova Scotia: Possible Evidence for a Protracted Gold-forming System
DownloadFall 2015
The Meguma terrane, Nova Scotia, is dominated by two rock types; regionally deformed and metamorphosed Cambro-Ordovician metasedimentary rocks and ca. 380-370 Ma meta- to peraluminous granites. The metasedimentary rocks host numerous orogenic-type, vein-hosted gold deposits which occur throughout...
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Geochronology and Trace Element Characteristics of Pyrite from Selected Carbonate Hosted Pb-Zn Ore Deposits
DownloadFall 2012
Carbonate-hosted ore deposits, such as Mississippi Valley-type (MVT), and Irish-type deposits, are a major class of Pb-Zn ores. Due to the mineralogy of these deposits, numerical constraints on the timing of mineralization are few. This thesis investigates pyrite Re-Os geochronology for dating...
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Probing the Mantle Cargo of Kimberlites – A Geochemical Investigation of Different Mineral Components and Evaluation of their Potential as Petrogenetic and Exploration Tools
DownloadSpring 2017
This thesis applies microanalytical tools to the geochemical investigation of different mineral components in the volcanic rock kimberlite. This work significantly advances the application of one of these tools, deep UV (193 nm) laser ablation inductively coupled plasma mass spectrometry...