Q46
Which geophysical method is used to measure variations in electrical potential due to subsurface features?
A.
Self-potential
AnswerB.
GPR
C.
Gravity
D.
Seismic
Answer: Option A
Solution
Answer: Option A
Solution:
Self-potential (SP) measures natural electric potentials in the ground.It�s useful in identifying ore bodies, groundwater flow, and geothermal zones.