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Fracture mechanics
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Fracture network patterns have been studied in two areas with different structural settings: (a) Dolomitic limestones on Teton anticline, in the frontal part of the fold thrust belt in the Sawtooth Range, Montana and (b) Cedar Mesa sandstones within normal faulted structures in the Canyonlands area, Utah. GIS-based techniques were used to study the two-dimensional distribution of fractures on exposed bedding planes in both areas. Individual fracture characteristics, such as fracture length, orientation, and density were analyzed along with the connectivity pattern of fracture networks. The latter parameter is important in determining whether the fractures are isolated or form extensive connected pathways. Studies...
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