Observer, Gravity Prospecting Job Description:

Records readings of gravity meter, torsion balance, and other gravity-measuring instruments at various points in terrain to obtain data regarding gravity characteristics indicating potential source of metallic ore or petroleum deposits: Sets up or directs set-up of instruments at specified location and records readings. Examines readings for accurate registration and adjusts instruments to specifications. Reads thermometers, barometers, and other instruments and records variations in temperature, barometric pressure, elevation, and other physical factors that affect instrument readings. May be designated according to instrument used as Gravity-Meter Observer (mine & quarry; petrol. & gas); Magnetometer Operator (mine & quarry; petrol. & gas).