Global exploration spending dropped 26% in last year, compared with 2013, as several juniors threw in the towel and producing miners slammed the brakes on capital and exploration expenditure.
A raging seven-year drought affecting copper-rich Chile is making miners grow anxious, with BHP and Anglo American already reporting an impact in their operations.
Within the Earth’s crust, there is 1 gram of silver for every 12.5 tonnes of earth (27,600 lbs). This makes silver very difficult to find. To understand silver supply, we must first discover how economic silver deposits form.