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Geological Engineering · Q24

Remote Sensing and GIS in Geological Engineering

Engineering and GATE · Geological Engineering · question 24

Q24

Which spectral range is MOST useful for identifying mineral compositions in geological remote sensing?

A.
Visible light (400-700 nm)
B.
Near-infrared (700-1400 nm)
C.
Thermal infrared (3-14 �m)
Answer
D.
Microwave

Answer: Option C

Solution

Answer: Option C
Solution:
Thermal infrared detects emitted heat and is sensitive to mineralogical differences due to their thermal properties.It is valuable in mineral exploration.