Q16
Which geophysical method uses natural voltage differences to study subsurface?
A.
Self-potential method
AnswerB.
Resistivity survey
C.
Seismic method
D.
Magnetic survey
Answer: Option A
Solution
Answer: Option A
Solution:
Self-potential (SP) method measures natural electric potentials in the ground.It�s useful in detecting groundwater flow and sulfide ore bodies.