The accident killed 19 people, left hundreds homeless and unemployed and caused sludge to wash downstream into the neighbouring state of Espírito Santo.
Lundin has been developing Fruta del Norte for over a year, following an agreement with Ecuador’s government allowing the miner to move ahead with the gold project, the country's biggest.
Results from 11 of the 12 drilling rigs at its 85%-owned Cascabel copper-gold project, suggest there is much more intense mineralization in the property than thought earlier, the company said.
The are two main factors that appear to be emerging that may threaten an end to the current quite rosy picture surrounding demand for commodities such as iron ore, steel and the metals most exposed to the battery boom, cobalt, lithium and nickel.