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- 2Creaser, Robert (Earth and Atmospheric Sciences)
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- 1Creaser, Robert (Department of Earth and Atmospheric Sciences)
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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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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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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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Spring 2019
Biostratigraphy brackets the deposition of the Gordondale and Poker Chip Member of Lower Jurassic Fernie Formation between Late Hettangian and Early Toarcian stages. Through employing Re-Os chronostratigraphy we have expanded upon these previous age estimates by providing high-precision...
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Spring 2010
187Re-187Os analysis of magnetite and other oxide minerals from various well dated geological settings (kimberlites, lamprophyres, Manicouagan impact melt rock, Great Bear magmatic zone iron ore deposits and Laramie Anorthosite complex) worldwide have been used to investigate the potential for...
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Re-Os SYSTEMATICS OF LOELLINGITE AND ARSENOPYRITE IN GRANULITE-FACIES GARNET ROCKS: INSIGHTS INTO THE METAMORPHIC HISTORY AND THERMAL EVOLUTION OF THE BROKEN HILL BLOCK DURING THE EARLY MESOPROTEROZOIC (NEW SOUTH WALES, AUSTRALIA)
Download2019-01-09
NJ Saintilan, RA Creaser, PG Spry
Loellingite and arsenopyrite aggregates occur in spessartine-almandine garnet rocks (garnetite) metamorphosed to granulite facies, which are spatially associated with Pb-Zn-Ag mineralization in the giant Broken Hill deposit, southern Curnamona Province, New South Wales, Australia. Sulfarsenide...
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Rhenium-osmium systematics and major and trace element chemistry of cobaltite (CoAsS): Evidence for Late Mesoproterozoic sediment-hosted Co-Cu sulfide mineralization with Grenvillian and Cretaceous remobilization in the Idaho Cobalt Belt, Belt-Purcell Basin, USA
Download2019-01-07
NJ Saintilan, RA Creaser, AA Bookstrom
We report the first study of the Re-Os systematics of cobaltite (CoAsS) using disseminated andmassively mineralized samples from two breccia-type and two stratabound deposits from the Co-Cu-Au Idaho Cobalt Belt, Lehmi Sub-basin to the Belt-Purcell Basin, Idaho, USA. Using a 185Re+190Os spike...