CRIMBO mineral resources

What is the primary use of iron in society?

• Aircraft fuselages

• Electrical conductors

• Structures like bridges and girders

• Food wrapping

Which metal is commonly used for overhead cables?

• Copper

• Aluminium

• Iron

• Titanium

What is the main application of copper in modern technology?

• Aircraft wings

• Fertilisers

• Electrical conductors

• Paints

Which mineral is used in the manufacture of fertilisers?

• Salt

• Rock phosphates

• Titanium dioxide

• Lithium

What geological process involves high pressure hot water dissolving minerals?

• Sedimentary processes

• Metamorphic processes

• Hydrothermal deposition

• Biological sediments

Which process transforms limestone into marble?

• Sedimentary processes

• Metamorphic processes

• Igneous processes

• Biological sediments

What is the term for the amount of material that can be economically exploited using existing technology?

• Resource

• Reserve

• Deposit

• Ore

Which exploratory technique uses reflected soundwaves to detect sub-surface features?

• Gravimetry

• Magnetometry

• Seismic surveys

• Resistivity

What is the maximum depth typically reached by open-cast mining?

• 100m

• 500m

• 1000m

• 3800m

Which method is used to control turbid drainage water from mining sites?

• Baffle mounds

• Sedimentation lagoons

• Crushed limestone

• Backfilling