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A fault plane is the plane that represents the fracture surface of a fault. A fault trace or fault line is a place where the fault can be seen or mapped on the surface. A fault trace is also the line commonly plotted on geologic maps to represent a fault. [3] [4] A fault zone is a cluster of parallel faults.
Also called Indianite. A mineral from the lime-rich end of the plagioclase group of minerals. Anorthites are usually silicates of calcium and aluminium occurring in some basic igneous rocks, typically those produced by the contact metamorphism of impure calcareous sediments. anticline An arched fold in which the layers usually dip away from the fold axis. Contrast syncline. aphanic Having the ...
Fault (breeding), an undesirable aspect of structure or appearance of an animal; Fault, in pickleball, any infringement of the rules by a player; Fault, in show jumping, a penalty; Fault, in tennis jargon, a serve that fails to place a tennis ball in the correct area of play
Anderson's fault theory also presents a model for seismic interpretation. [7] This model predicts the dip of faults according to their regime classification. [2] Conjugate walls in any fault will share a dip angle with that angle being measured from the top of the hanging wall or the bottom of the foot wall. [2]
Lifted fault-block geology Tilted fault-block formation in the Teton Range. Fault-block mountains often result from rifting, an indicator of extensional tectonics. These can be small or form extensive rift valley systems, such as the East African Rift zone. Death Valley in California is a smaller example.
In geology, aseismic creep or fault creep is measurable surface displacement along a fault in the absence of notable earthquakes. Aseismic creep may also occur as "after-slip" days to years after an earthquake. Notable examples of aseismic slip include faults in California (e.g. Calaveras Fault, Hayward Fault, and San Andreas Fault).
Examples of such earthquakes are San Fernando earthquake, Tabas earthquake, and Chi-Chi earthquake. [6] In surface rupture earthquakes, the large slips of land are concentrated in the shallow parts of the fault. [7] And, notably, permanent ground displacements which are measureable can be produced by shallow earthquakes, of magnitude M5 and ...
In engineering, a fault is a defect or problem in a system that causes it to fail or act abnormally. The ISO document 10303-226 defines fault as an abnormal condition or defect at the component, equipment, or sub-system level which may lead to a failure. The United States Glossary of Telecommunication Terms defines fault for telecommunications as: