ndida mine is owned by BHP (57.5%), Rio Tinto (30%), JECO Corporation (10%), and JECO 2 (2.5%). ... the first phase of expansion was started by MEL, increasing the ore processing capacity of the first concentrator plant (Los Colorados) from 35,000 tonnes per day (tpd) to 37,500tpd. ... Ore for Los Colorados is sent to Crusher 1 (4,500 ...Web