Search
Skip to Search Results- 1Acosta, P
- 1Aggarwal, Pradeep Kumar
- 1Aubet, Natalie
- 1Baniak, Gregory M
- 1Beaton, Neil I.
- 1Belosevic, Michael B.K.
- 2Chacko, Thomas (Earth and Atmospheric Sciences)
- 2Derocher, Andrew (Biological Sciences)
- 2Pearson, Graham (Earth and Atmospheric Sciences)
- 2Richards, Jeremy (Earth and Atmospheric Sciences)
- 2Stachel, Thomas (Earth and Atmospheric Sciences)
- 1Alessi, Daniel (Earth and Atmospheric Sciences)
-
Spring 2021
This thesis presents two studies employing computational approaches to tephra source attribution and tephra volume estimation. Glass major oxide data was used to train 11 classification algorithms. Each classifier probabilistically attributed tephra chemistries to one of ten volcanic sources from...
-
Fall 2015
Specialist predators with a limited diet may be less adaptable to environmental change than generalists, which consume a diversity of prey. As the climate changes, ecological homogenization is occurring, where generalist species outcompete specialists, reducing ecosystem complexity. In Arctic...
-
Geology and geochemistry of late Devonian-Mississipian sediment-hosted barite sequences of the Selwyn Basin, NWT and Yukon, Canada
DownloadFall 2011
A sediment-hosted barite horizon occurs in the upper part of the lower Earn Group in the Selwyn Basin, NWT, Canada. This horizon consists of synsedimentary, laminated barite and diagenetic, nodular barite which are hosted in shale, siltstone and mudstone. The lithogeochemistry of the sediments...
-
The genesis of the Gayna River carbonate-hosted Zn-Pb deposit
Fall 2009
Geochemical analyses on samples from the Mississippi Valley Type Gayna River deposit, Northwest Territories, Canada, have resulted in the definition of three ore stages and a deposit genesis model. Pb/Pb and Re/Os isotopic analyses indicate that the mineralization at Gayna River was emplaced...
-
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...
-
Fall 2009
Woodland caribou population declines in west-central Alberta precipitated a wolfcontrol. This program to protect caribou could be compromised if (1) there are strong public pressures against helicopter gunning and strychnine poisoning of wolves and/or (2) other predators compensate to kill...
-
Origins and geochemical characterization of the Iron-Oxide-Copper-Gold deposits in the Great Bear Magmatic Zone, NWT, Canada
DownloadFall 2014
The Great Bear magmatic zone (GBMZ) in the Northwest Territories, Canada, contains the NICO (Au-Co-Bi±Cu-W) and Sue Dianne (Cu-Ag-Au-±U-Co) deposits, and the DAMP and FAB prospects, all of which represent iron-oxide dominated polymetallic systems with comparable alteration and mineralization...
-
Factors affecting larval growth and development of the boreal chorus frog Pseudacris maculata
DownloadFall 2010
The boreal chorus frog (Pseudacris maculata) is a widespread species but we know little of its ecology. I examined the nature and existence of competitive mechanisms operating between larvae of the boreal chorus frog and wood frog (Lithobates sylvaticus) from field, mesocosm and laboratory venues...