Mineral Exploration (Survey Techniques)

Question 1

IR Spectroscopy

Answer 1

Identification by difference wavelengths of IR radiation minerals emit

Question 2

Gravimetry

Answer 2

Identification by variations in gravity caused by variations in density/mass

Question 3

Magnetometry

Answer 3

Identification by how magnetic a mineral is

Question 4

Seismic surveys

Answer 4

Detection from sounds waves from controlled explosions/seismic vibrators
—> echos provide info on depth,
density and shape

Question 5

Resistivity

Answer 5

Measurement of difficulty electricity passes through a material

Question 6

Trial drilling

Answer 6

Provides actual sample of rock

• Most expensive

Question 7

Chemical analysis

Answer 7

Lab tests confirm chemical composition & purity of minerals from rock