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Geological Engineering · Q67

Geophysical Methods in Engineering

Engineering and GATE · Geological Engineering · question 67

Q67

Which parameter does a magnetic survey primarily measure?

A.
Rock porosity
B.
Subsurface temperature
C.
Magnetic susceptibility
Answer
D.
Seismic velocity

Answer: Option C

Solution

Answer: Option C
Solution:
Magnetic surveys measure magnetic susceptibility and anomalies caused by subsurface ferromagnetic minerals.