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Global Positioning System

1. n. [Geology]

A system of numerous Earth-orbiting satellites that can be used to determine the location (latitude, longitude and elevation) of a receiver or station on the Earth within about 2 m [6 ft]. Fixed receivers on Earth can be used to determine the relative motions of fault blocks and lithospheric plates. Hand-held receivers can be used for producing accurate geologic maps, acquiring navigation data for 3D seismic surveys, and positioning wells in the field.

Alternate Form: GPS

See: base mapgeologic maplithosphereplate tectonicsseismic surveytopographic map

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