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Full-Text Articles in Geological Engineering

Engineering Decision Making Under Uncertainties, Snehamoy Chatterjee Oct 2017

Engineering Decision Making Under Uncertainties, Snehamoy Chatterjee

TechTalks

Uncertainty is an inherent component of any engineering problem. Uncertainty comes at different stages of an engineering project with different level of complexities. Decision making by neglecting uncertainty may leads to an incorrect solution for a project. Our research focuses on identification and quantification of different sources of uncertainness, and bringing uncertainties within the decision making framework. We are developing algorithms for uncertainty evaluation of spatial and temporal data by integrating multiple source and multiple scale data types, and stochastic optimization models to take into account multiple objectives and constraints. We are applying our research on mining, geology, and geo-hydrology ...


Ignimbrites To Batholiths, Chad Deering Dec 2016

Ignimbrites To Batholiths, Chad Deering

TechTalks

Ignimbrites sample large magma reservoirs in the Earth’s upper crust, sometimes digging deep enough to link the volcanic realm with the plutonic world. Integrating textural, petrological, geochemical, and geochronological information on such deposits with geophysical signals suggest incremental growth and evolution of subvolcanic magma bodies that are dominated by high crystallinity mush zones, but sometimes remain sufficiently liquid to erupt. The eruptible upper portions are either extracted melt from the mush and constitute only a small volumetric fraction of the vertically extensive mushy batholithic magma body. The high-flux, ignimbrite flare-up phases are typically preceded by waxing magmatism that prime ...