This decommissioned ERA site remains active temporarily to support our final migration steps to https://ualberta.scholaris.ca, ERA's new home. All new collections and items, including Spring 2025 theses, are at that site. For assistance, please contact erahelp@ualberta.ca.
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Fall 2023
Final estimates at the grade-control (GC) stage of mining are built to maximize the correct classificationof mineable blocks. The costs include drilling, mining, and processing. When consideringdedicated GC drilling, Drill-hole spacing (DHS) optimization for profit balances the cost of...
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Fall 2018
Widely spaced data sets from drilling are used in the mining and petroleum industries to model subsurface resources. These data sets have high associated economic and environmental costs. Maximizing the use of information contained in data while minimizing the amount of data required to achieve...
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Spring 2015
Resource evaluation of a mineral deposit is an important and challenging task. Traditional estimation methods provide a best estimate at the block scale based on available data. The pitfalls of histogram smoothing and conditional bias associated with these methods are well known. Quantifying...