Major Mines amp Projects Rio Tuba Mine
Mining Methods. The Rio Tuba mine site is located in Barangay Rio Tuba municipality of Bataraza in the southern tip of the province of Palawan. RTNMC exports saprolite and limonite ore and provides limonite ore and non-mining services to the adjacent Coral Bay HPAL plant. As one of the biggest nickel open pit mining sites in the Philippines .