Mining for Metals Quiz

What is the most abundant metal in the earth's crust?

• Gold

• Aluminium

• Copper

• Iron

Where is the biggest zinc mine in Europe located?

• Navan

• Galway

• Cork

• Dublin

What percentage of the world's zinc is mined underground?

• 100%

• 20%

• 80%

• 50%

What is the workforce size at the zinc mine in Navan?

• 600

• 800

• 400

• 200

What is the depth at which the zinc ore is found in the mine?

• 10-50 meters

• 100-300 meters

• 500-700 meters

• 800-1000 meters

When did Tara mine officially open?

• 1960

• 1970

• 1980

• 1990

How much pure zinc metal is produced from 2.6 million tons of ore extracted at Tara mine?

• 50,000-60,000 tons

• 70,000-80,000 tons

• 130,000-140,000 tons

• 90,000-100,000 tons

What is used to reinforce the tunnel after drilling and blasting?

• Sprayed concrete

• Brick walls

• Steel rods

• Wooden beams

What is the success ratio from exploration to industrial extraction of metals and minerals?

• 1 in 500

• 1 in 1000

• 1 in 100

• 1 in 5000

What is the main concern regarding mining from an environmental perspective?

• All of the above

• Noise pollution

• Air pollution

• Water pollution