Dictionary:Electric survey

1. Measurements made at or near the earth’s surface of natural or induced electric fields, the objective usually being to map mineral concentrations or for geologic or basement mapping. See Figure E-7 and electric profiling, electric sounding, electromagnetic method, induced-polarization method, magnetotelluric method, resistivity method, self-potential method, telluric current method. 2. Electric log (q.v.) run in a borehole.