Scale-dependent wear and re-roughening processes in a single fault zone
One factor that exerts a major control on earthquake source parameters is the geometry of a fault zone. Observations previously compiled from multiple faults show that fault surface shape evolves with displacement. The specific processes driving fault evolution within a single fault zone and their influence on fault geometry are not well known. Here, we characterize the deformation history and geometry of an extraordinarily well-exposed fault using maps constructed with the Structure from Motion photogrammetric method. The geometry of cross sectional traces of contacts of different relative age ...
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Kirkpatrick, James D.
born digital; masters theses
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Characterizing the southwestern extent of the Norumbega fault system, a mid-Paleozoic crustal-scale strike-slip fault system in the New England Appalachians Author(s):Gentry, EmilieDate Submitted:2018The >300 km long, northeast-trending dextral transpressive Norumbega fault system in Maine and New Brunswick is defined by a tens of kilometers wide zone of multiple dextral shear zones. Based on published 40Ar/39Ar ...