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Skip to Search Results- 2Geodynamics
- 2Geomechanics
- 1Aseismic deformation
- 1Bonded particle model
- 1Brittle deformation
- 1Canadian Cordillera
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Spring 2014
Microseismicity monitoring is increasingly being used to asses in real time the effectiveness of hydraulic fracture treatments. As this tool continues to become more prevalent, questions regarding the observed microseismicity and the geomechanics are being asked. Often substantial differences are...
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Interactions between a flat slab and overriding plate: Controlling factors of subduction dynamics and continental deformation
DownloadFall 2022
Subduction zones are active plate margins that have an important role in mantle and lithosphere processes. Subduction is driven by the negative buoyancy of the downgoing oceanic plate, resulting in a steep descent angle at most subduction zones. However, in approximately 10% of modern subduction...
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Fall 2024
The structural integrity of underground excavations, resource extraction processes, and the overall safety of geotechnical operations hinge on a comprehensive understanding of brittle rock failure mechanisms and the distribution of internal stress within these formations. This research sheds...
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Spring 2022
The Sierra Nevada de Santa Marta (SNSM) in northern Colombia, is one of the highest coastal mountains in the world with a maximum height of more than 5.7 km. Geophysical measurements report that there is a high Bouguer gravity anomaly (>+130 mGal) in the region, indicating that the mountain does...
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Fall 2022
The Canadian Cordillera (mountain belts) in western Canada has a high elevation (~1.5 km above sea level), thin crust (~35 km) and thin lithosphere (50-70 km). In contrast, the Laurentian Craton to the east has a low elevation (near sea level) and thicker crust and lithosphere (~40 km and >200...
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Fall 2011
Drilling-induced fractures in borehole cores have distinct morphologies (e.g., petal, petal-centreline, saddle, and disk) and are produced under pure tensional stress, although most in-situ stresses are compressive. 3D numerical models show that tensile stress concentrations occur near the bottom...
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Fall 2016
The temperature distribution controls many processes occurring at subduction zones, such as slab dehydration and metamorphism, mantle wedge melting and the formation of arc volcanoes, and the rupture width of megathrust earthquakes. The thermal structure of the subducting oceanic plate (slab) is...