Base Metal Mining
Around the world
Copper Mining
Escondida in Chile is the largest copper mine in the world 
Opened in 1988 it ranks as the third deepest open-pit operation
Size - 3.9 kms long, 2.7 kms wide, 645 metres deep
Output in 2013 was 1.1 million tonnes (Mt)
Reserve life estimated to be 54 years
Chile hosts six of the 10 largest copper mines in the world
Zinc Mining
Rampura Agucha in India is the largest zinc mine in the world 
Output in 2015 was 640,845 million tonnes
Total reserves and resources are 103 million tonnes 
More than 50 countries around the world mine zinc ore
About 80% of the world’s zinc is mined underground
Tin Mining
Tin mining is dominated by China and Indonesia
Accounts for over 70% of global mine output 
Estimates that the minable tin on Earth will be gone in 20 to 40 years
Price of tin rapidly rising over the past 10 years
Iron Ore Mining
The largest iron mine in the world is Kiruna in Lapland
Annual iron ore production capacity of over 26 million tonnes 
Reserves of 600 million tonnes
Size - 4 kms (2.5 miles) long, depth of up to 2 kms (1.2 miles)